tests: Big test cleanup!

Removing the vestiges of v2 tests.
This commit is contained in:
Christopher Haster
2025-05-27 20:32:33 -05:00
parent f7035c5ac4
commit 7d45ca0892
18 changed files with 0 additions and 7661 deletions
-719
View File
@@ -806,722 +806,3 @@ code = '''
lfsr_unmount(&lfs) => 0;
'''
## allocator tests
## note for these to work there are a number constraints on the device geometry
#if = 'BLOCK_CYCLES == -1'
#
## parallel allocation test
#[cases.test_alloc_parallel]
#defines.FILES = 3
#defines.SIZE = '(((BLOCK_SIZE-8)*(BLOCK_COUNT-6)) / FILES)'
#code = '''
# const char *names[] = {"bacon", "eggs", "pancakes"};
# lfs_file_t files[FILES];
#
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "breakfast") => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int n = 0; n < FILES; n++) {
# char path[1024];
# sprintf(path, "breakfast/%s", names[n]);
# lfs_file_open(&lfs, &files[n], path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
# }
# for (int n = 0; n < FILES; n++) {
# size_t size = strlen(names[n]);
# for (lfs_size_t i = 0; i < SIZE; i += size) {
# lfs_file_write(&lfs, &files[n], names[n], size) => size;
# }
# }
# for (int n = 0; n < FILES; n++) {
# lfs_file_close(&lfs, &files[n]) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int n = 0; n < FILES; n++) {
# char path[1024];
# sprintf(path, "breakfast/%s", names[n]);
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# size_t size = strlen(names[n]);
# for (lfs_size_t i = 0; i < SIZE; i += size) {
# uint8_t buffer[1024];
# lfs_file_read(&lfs, &file, buffer, size) => size;
# assert(memcmp(buffer, names[n], size) == 0);
# }
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#'''
#
## serial allocation test
#[cases.test_alloc_serial]
#defines.FILES = 3
#defines.SIZE = '(((BLOCK_SIZE-8)*(BLOCK_COUNT-6)) / FILES)'
#code = '''
# const char *names[] = {"bacon", "eggs", "pancakes"};
#
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "breakfast") => 0;
# lfs_unmount(&lfs) => 0;
#
# for (int n = 0; n < FILES; n++) {
# lfs_mount(&lfs, cfg) => 0;
# char path[1024];
# sprintf(path, "breakfast/%s", names[n]);
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
# size_t size = strlen(names[n]);
# uint8_t buffer[1024];
# memcpy(buffer, names[n], size);
# for (int i = 0; i < SIZE; i += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
# }
#
# lfs_mount(&lfs, cfg) => 0;
# for (int n = 0; n < FILES; n++) {
# char path[1024];
# sprintf(path, "breakfast/%s", names[n]);
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# size_t size = strlen(names[n]);
# for (int i = 0; i < SIZE; i += size) {
# uint8_t buffer[1024];
# lfs_file_read(&lfs, &file, buffer, size) => size;
# assert(memcmp(buffer, names[n], size) == 0);
# }
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#'''
#
## parallel allocation reuse test
#[cases.test_alloc_parallel_reuse]
#defines.FILES = 3
#defines.SIZE = '(((BLOCK_SIZE-8)*(BLOCK_COUNT-6)) / FILES)'
#defines.CYCLES = [1, 10]
#code = '''
# const char *names[] = {"bacon", "eggs", "pancakes"};
# lfs_file_t files[FILES];
#
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# for (int c = 0; c < CYCLES; c++) {
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "breakfast") => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int n = 0; n < FILES; n++) {
# char path[1024];
# sprintf(path, "breakfast/%s", names[n]);
# lfs_file_open(&lfs, &files[n], path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
# }
# for (int n = 0; n < FILES; n++) {
# size_t size = strlen(names[n]);
# for (int i = 0; i < SIZE; i += size) {
# lfs_file_write(&lfs, &files[n], names[n], size) => size;
# }
# }
# for (int n = 0; n < FILES; n++) {
# lfs_file_close(&lfs, &files[n]) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int n = 0; n < FILES; n++) {
# char path[1024];
# sprintf(path, "breakfast/%s", names[n]);
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# size_t size = strlen(names[n]);
# for (int i = 0; i < SIZE; i += size) {
# uint8_t buffer[1024];
# lfs_file_read(&lfs, &file, buffer, size) => size;
# assert(memcmp(buffer, names[n], size) == 0);
# }
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int n = 0; n < FILES; n++) {
# char path[1024];
# sprintf(path, "breakfast/%s", names[n]);
# lfs_remove(&lfs, path) => 0;
# }
# lfs_remove(&lfs, "breakfast") => 0;
# lfs_unmount(&lfs) => 0;
# }
#'''
#
## serial allocation reuse test
#[cases.test_alloc_serial_reuse]
#defines.FILES = 3
#defines.SIZE = '(((BLOCK_SIZE-8)*(BLOCK_COUNT-6)) / FILES)'
#defines.CYCLES = [1, 10]
#code = '''
# const char *names[] = {"bacon", "eggs", "pancakes"};
#
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# for (int c = 0; c < CYCLES; c++) {
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "breakfast") => 0;
# lfs_unmount(&lfs) => 0;
#
# for (int n = 0; n < FILES; n++) {
# lfs_mount(&lfs, cfg) => 0;
# char path[1024];
# sprintf(path, "breakfast/%s", names[n]);
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
# size_t size = strlen(names[n]);
# uint8_t buffer[1024];
# memcpy(buffer, names[n], size);
# for (int i = 0; i < SIZE; i += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
# }
#
# lfs_mount(&lfs, cfg) => 0;
# for (int n = 0; n < FILES; n++) {
# char path[1024];
# sprintf(path, "breakfast/%s", names[n]);
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# size_t size = strlen(names[n]);
# for (int i = 0; i < SIZE; i += size) {
# uint8_t buffer[1024];
# lfs_file_read(&lfs, &file, buffer, size) => size;
# assert(memcmp(buffer, names[n], size) == 0);
# }
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int n = 0; n < FILES; n++) {
# char path[1024];
# sprintf(path, "breakfast/%s", names[n]);
# lfs_remove(&lfs, path) => 0;
# }
# lfs_remove(&lfs, "breakfast") => 0;
# lfs_unmount(&lfs) => 0;
# }
#'''
#
## exhaustion test
#[cases.test_alloc_exhaustion]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
# size_t size = strlen("exhaustion");
# uint8_t buffer[1024];
# memcpy(buffer, "exhaustion", size);
# lfs_file_write(&lfs, &file, buffer, size) => size;
# lfs_file_sync(&lfs, &file) => 0;
#
# size = strlen("blahblahblahblah");
# memcpy(buffer, "blahblahblahblah", size);
# lfs_ssize_t res;
# while (true) {
# res = lfs_file_write(&lfs, &file, buffer, size);
# if (res < 0) {
# break;
# }
#
# res => size;
# }
# res => LFS_ERR_NOSPC;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_open(&lfs, &file, "exhaustion", LFS_O_RDONLY);
# size = strlen("exhaustion");
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "exhaustion", size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
## exhaustion wraparound test
#[cases.test_alloc_exhaustion_wraparound]
#defines.SIZE = '(((BLOCK_SIZE-8)*(BLOCK_COUNT-4)) / 3)'
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
#
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "padding", LFS_O_WRONLY | LFS_O_CREAT);
# size_t size = strlen("buffering");
# uint8_t buffer[1024];
# memcpy(buffer, "buffering", size);
# for (int i = 0; i < SIZE; i += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_close(&lfs, &file) => 0;
# lfs_remove(&lfs, "padding") => 0;
#
# lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
# size = strlen("exhaustion");
# memcpy(buffer, "exhaustion", size);
# lfs_file_write(&lfs, &file, buffer, size) => size;
# lfs_file_sync(&lfs, &file) => 0;
#
# size = strlen("blahblahblahblah");
# memcpy(buffer, "blahblahblahblah", size);
# lfs_ssize_t res;
# while (true) {
# res = lfs_file_write(&lfs, &file, buffer, size);
# if (res < 0) {
# break;
# }
#
# res => size;
# }
# res => LFS_ERR_NOSPC;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_open(&lfs, &file, "exhaustion", LFS_O_RDONLY);
# size = strlen("exhaustion");
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "exhaustion", size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# lfs_remove(&lfs, "exhaustion") => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
## dir exhaustion test
#[cases.test_alloc_dir_exhaustion]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
#
# // find out max file size
# lfs_mkdir(&lfs, "exhaustiondir") => 0;
# size_t size = strlen("blahblahblahblah");
# uint8_t buffer[1024];
# memcpy(buffer, "blahblahblahblah", size);
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
# int count = 0;
# int err;
# while (true) {
# err = lfs_file_write(&lfs, &file, buffer, size);
# if (err < 0) {
# break;
# }
#
# count += 1;
# }
# err => LFS_ERR_NOSPC;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_remove(&lfs, "exhaustion") => 0;
# lfs_remove(&lfs, "exhaustiondir") => 0;
#
# // see if dir fits with max file size
# lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
# for (int i = 0; i < count; i++) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_mkdir(&lfs, "exhaustiondir") => 0;
# lfs_remove(&lfs, "exhaustiondir") => 0;
# lfs_remove(&lfs, "exhaustion") => 0;
#
# // see if dir fits with > max file size
# lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
# for (int i = 0; i < count+1; i++) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_mkdir(&lfs, "exhaustiondir") => LFS_ERR_NOSPC;
#
# lfs_remove(&lfs, "exhaustion") => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
## what if we have a bad block during an allocation scan?
#[cases.test_alloc_bad_blocks]
#in = "lfs.c"
#defines.ERASE_CYCLES = 0xffffffff
#defines.BADBLOCK_BEHAVIOR = 'LFS_EMUBD_BADBLOCK_READERROR'
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# // first fill to exhaustion to find available space
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "pacman", LFS_O_WRONLY | LFS_O_CREAT) => 0;
# uint8_t buffer[1024];
# strcpy((char*)buffer, "waka");
# size_t size = strlen("waka");
# lfs_size_t filesize = 0;
# while (true) {
# lfs_ssize_t res = lfs_file_write(&lfs, &file, buffer, size);
# assert(res == (lfs_ssize_t)size || res == LFS_ERR_NOSPC);
# if (res == LFS_ERR_NOSPC) {
# break;
# }
# filesize += size;
# }
# lfs_file_close(&lfs, &file) => 0;
# // now fill all but a couple of blocks of the filesystem with data
# filesize -= 3*BLOCK_SIZE;
# lfs_file_open(&lfs, &file, "pacman", LFS_O_WRONLY | LFS_O_CREAT) => 0;
# strcpy((char*)buffer, "waka");
# size = strlen("waka");
# for (lfs_size_t i = 0; i < filesize/size; i++) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_close(&lfs, &file) => 0;
# // also save head of file so we can error during lookahead scan
# lfs_block_t fileblock = file.ctz.head;
# lfs_unmount(&lfs) => 0;
#
# // remount to force an alloc scan
# lfs_mount(&lfs, cfg) => 0;
#
# // but mark the head of our file as a "bad block", this is force our
# // scan to bail early
# lfs_emubd_setwear(cfg, fileblock, 0xffffffff) => 0;
# lfs_file_open(&lfs, &file, "ghost", LFS_O_WRONLY | LFS_O_CREAT) => 0;
# strcpy((char*)buffer, "chomp");
# size = strlen("chomp");
# while (true) {
# lfs_ssize_t res = lfs_file_write(&lfs, &file, buffer, size);
# assert(res == (lfs_ssize_t)size || res == LFS_ERR_CORRUPT);
# if (res == LFS_ERR_CORRUPT) {
# break;
# }
# }
# lfs_file_close(&lfs, &file) => 0;
#
# // now reverse the "bad block" and try to write the file again until we
# // run out of space
# lfs_emubd_setwear(cfg, fileblock, 0) => 0;
# lfs_file_open(&lfs, &file, "ghost", LFS_O_WRONLY | LFS_O_CREAT) => 0;
# strcpy((char*)buffer, "chomp");
# size = strlen("chomp");
# while (true) {
# lfs_ssize_t res = lfs_file_write(&lfs, &file, buffer, size);
# assert(res == (lfs_ssize_t)size || res == LFS_ERR_NOSPC);
# if (res == LFS_ERR_NOSPC) {
# break;
# }
# }
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_unmount(&lfs) => 0;
#
# // check that the disk isn't hurt
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_open(&lfs, &file, "pacman", LFS_O_RDONLY) => 0;
# strcpy((char*)buffer, "waka");
# size = strlen("waka");
# for (lfs_size_t i = 0; i < filesize/size; i++) {
# uint8_t rbuffer[4];
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# assert(memcmp(rbuffer, buffer, size) == 0);
# }
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
#
## Below, I don't like these tests. They're fragile and depend _heavily_
## on the geometry of the block device. But they are valuable. Eventually they
## should be removed and replaced with generalized tests.
#
## chained dir exhaustion test
#[cases.test_alloc_chained_dir_exhaustion]
#if = 'BLOCK_SIZE == 512'
#defines.BLOCK_COUNT = 1024
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
#
# // find out max file size
# lfs_mkdir(&lfs, "exhaustiondir") => 0;
# for (int i = 0; i < 10; i++) {
# char path[1024];
# sprintf(path, "dirwithanexhaustivelylongnameforpadding%d", i);
# lfs_mkdir(&lfs, path) => 0;
# }
# size_t size = strlen("blahblahblahblah");
# uint8_t buffer[1024];
# memcpy(buffer, "blahblahblahblah", size);
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
# int count = 0;
# int err;
# while (true) {
# err = lfs_file_write(&lfs, &file, buffer, size);
# if (err < 0) {
# break;
# }
#
# count += 1;
# }
# err => LFS_ERR_NOSPC;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_remove(&lfs, "exhaustion") => 0;
# lfs_remove(&lfs, "exhaustiondir") => 0;
# for (int i = 0; i < 10; i++) {
# char path[1024];
# sprintf(path, "dirwithanexhaustivelylongnameforpadding%d", i);
# lfs_remove(&lfs, path) => 0;
# }
#
# // see that chained dir fails
# lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
# for (int i = 0; i < count+1; i++) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_sync(&lfs, &file) => 0;
#
# for (int i = 0; i < 10; i++) {
# char path[1024];
# sprintf(path, "dirwithanexhaustivelylongnameforpadding%d", i);
# lfs_mkdir(&lfs, path) => 0;
# }
#
# lfs_mkdir(&lfs, "exhaustiondir") => LFS_ERR_NOSPC;
#
# // shorten file to try a second chained dir
# while (true) {
# err = lfs_mkdir(&lfs, "exhaustiondir");
# if (err != LFS_ERR_NOSPC) {
# break;
# }
#
# lfs_ssize_t filesize = lfs_file_size(&lfs, &file);
# filesize > 0 => true;
#
# lfs_file_truncate(&lfs, &file, filesize - size) => 0;
# lfs_file_sync(&lfs, &file) => 0;
# }
# err => 0;
#
# lfs_mkdir(&lfs, "exhaustiondir2") => LFS_ERR_NOSPC;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
## split dir test
#[cases.test_alloc_split_dir]
#if = 'BLOCK_SIZE == 512'
#defines.BLOCK_COUNT = 1024
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
#
# // create one block hole for half a directory
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "bump", LFS_O_WRONLY | LFS_O_CREAT) => 0;
# for (lfs_size_t i = 0; i < cfg->block_size; i += 2) {
# uint8_t buffer[1024];
# memcpy(&buffer[i], "hi", 2);
# }
# uint8_t buffer[1024];
# lfs_file_write(&lfs, &file, buffer, cfg->block_size) => cfg->block_size;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
# size_t size = strlen("blahblahblahblah");
# memcpy(buffer, "blahblahblahblah", size);
# for (lfs_size_t i = 0;
# i < (cfg->block_count-4)*(cfg->block_size-8);
# i += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_close(&lfs, &file) => 0;
#
# // remount to force reset of lookahead
# lfs_unmount(&lfs) => 0;
# lfs_mount(&lfs, cfg) => 0;
#
# // open hole
# lfs_remove(&lfs, "bump") => 0;
#
# lfs_mkdir(&lfs, "splitdir") => 0;
# lfs_file_open(&lfs, &file, "splitdir/bump",
# LFS_O_WRONLY | LFS_O_CREAT) => 0;
# for (lfs_size_t i = 0; i < cfg->block_size; i += 2) {
# memcpy(&buffer[i], "hi", 2);
# }
# lfs_file_write(&lfs, &file, buffer, 2*cfg->block_size) => LFS_ERR_NOSPC;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_unmount(&lfs) => 0;
#'''
#
## outdated lookahead test
#[cases.test_alloc_outdated_lookahead]
#if = 'BLOCK_SIZE == 512'
#defines.BLOCK_COUNT = 1024
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
#
# // fill completely with two files
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "exhaustion1",
# LFS_O_WRONLY | LFS_O_CREAT) => 0;
# size_t size = strlen("blahblahblahblah");
# uint8_t buffer[1024];
# memcpy(buffer, "blahblahblahblah", size);
# for (lfs_size_t i = 0;
# i < ((cfg->block_count-2)/2)*(cfg->block_size-8);
# i += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_file_open(&lfs, &file, "exhaustion2",
# LFS_O_WRONLY | LFS_O_CREAT) => 0;
# size = strlen("blahblahblahblah");
# memcpy(buffer, "blahblahblahblah", size);
# for (lfs_size_t i = 0;
# i < ((cfg->block_count-2+1)/2)*(cfg->block_size-8);
# i += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_close(&lfs, &file) => 0;
#
# // remount to force reset of lookahead
# lfs_unmount(&lfs) => 0;
# lfs_mount(&lfs, cfg) => 0;
#
# // rewrite one file
# lfs_file_open(&lfs, &file, "exhaustion1",
# LFS_O_WRONLY | LFS_O_TRUNC) => 0;
# lfs_file_sync(&lfs, &file) => 0;
# size = strlen("blahblahblahblah");
# memcpy(buffer, "blahblahblahblah", size);
# for (lfs_size_t i = 0;
# i < ((cfg->block_count-2)/2)*(cfg->block_size-8);
# i += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_close(&lfs, &file) => 0;
#
# // rewrite second file, this requires lookahead does not
# // use old population
# lfs_file_open(&lfs, &file, "exhaustion2",
# LFS_O_WRONLY | LFS_O_TRUNC) => 0;
# lfs_file_sync(&lfs, &file) => 0;
# size = strlen("blahblahblahblah");
# memcpy(buffer, "blahblahblahblah", size);
# for (lfs_size_t i = 0;
# i < ((cfg->block_count-2+1)/2)*(cfg->block_size-8);
# i += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_unmount(&lfs) => 0;
#'''
#
## outdated lookahead and split dir test
#[cases.test_alloc_outdated_lookahead_split_dir]
#if = 'BLOCK_SIZE == 512'
#defines.BLOCK_COUNT = 1024
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
#
# // fill completely with two files
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "exhaustion1",
# LFS_O_WRONLY | LFS_O_CREAT) => 0;
# size_t size = strlen("blahblahblahblah");
# uint8_t buffer[1024];
# memcpy(buffer, "blahblahblahblah", size);
# for (lfs_size_t i = 0;
# i < ((cfg->block_count-2)/2)*(cfg->block_size-8);
# i += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_file_open(&lfs, &file, "exhaustion2",
# LFS_O_WRONLY | LFS_O_CREAT) => 0;
# size = strlen("blahblahblahblah");
# memcpy(buffer, "blahblahblahblah", size);
# for (lfs_size_t i = 0;
# i < ((cfg->block_count-2+1)/2)*(cfg->block_size-8);
# i += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_close(&lfs, &file) => 0;
#
# // remount to force reset of lookahead
# lfs_unmount(&lfs) => 0;
# lfs_mount(&lfs, cfg) => 0;
#
# // rewrite one file with a hole of one block
# lfs_file_open(&lfs, &file, "exhaustion1",
# LFS_O_WRONLY | LFS_O_TRUNC) => 0;
# lfs_file_sync(&lfs, &file) => 0;
# size = strlen("blahblahblahblah");
# memcpy(buffer, "blahblahblahblah", size);
# for (lfs_size_t i = 0;
# i < ((cfg->block_count-2)/2 - 1)*(cfg->block_size-8);
# i += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_close(&lfs, &file) => 0;
#
# // try to allocate a directory, should fail!
# lfs_mkdir(&lfs, "split") => LFS_ERR_NOSPC;
#
# // file should not fail
# lfs_file_open(&lfs, &file, "notasplit",
# LFS_O_WRONLY | LFS_O_CREAT) => 0;
# lfs_file_write(&lfs, &file, "hi", 2) => 2;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_unmount(&lfs) => 0;
#'''
-326
View File
@@ -5053,329 +5053,3 @@ code = '''
lfsr_unmount(&lfs) => 0;
'''
#[cases.test_attrs_get_set]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "hello") => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "hello/hello", LFS_O_WRONLY | LFS_O_CREAT) => 0;
# lfs_file_write(&lfs, &file, "hello", strlen("hello")) => strlen("hello");
# lfs_file_close(&lfs, &file);
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# uint8_t buffer[1024];
# memset(buffer, 0, sizeof(buffer));
# lfs_setattr(&lfs, "hello", 'A', "aaaa", 4) => 0;
# lfs_setattr(&lfs, "hello", 'B', "bbbbbb", 6) => 0;
# lfs_setattr(&lfs, "hello", 'C', "ccccc", 5) => 0;
# lfs_getattr(&lfs, "hello", 'A', buffer, 4) => 4;
# lfs_getattr(&lfs, "hello", 'B', buffer+4, 6) => 6;
# lfs_getattr(&lfs, "hello", 'C', buffer+10, 5) => 5;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "bbbbbb", 6) => 0;
# memcmp(buffer+10, "ccccc", 5) => 0;
#
# lfs_setattr(&lfs, "hello", 'B', "", 0) => 0;
# lfs_getattr(&lfs, "hello", 'A', buffer, 4) => 4;
# lfs_getattr(&lfs, "hello", 'B', buffer+4, 6) => 0;
# lfs_getattr(&lfs, "hello", 'C', buffer+10, 5) => 5;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "\0\0\0\0\0\0", 6) => 0;
# memcmp(buffer+10, "ccccc", 5) => 0;
#
# lfs_removeattr(&lfs, "hello", 'B') => 0;
# lfs_getattr(&lfs, "hello", 'A', buffer, 4) => 4;
# lfs_getattr(&lfs, "hello", 'B', buffer+4, 6) => LFS_ERR_NOATTR;
# lfs_getattr(&lfs, "hello", 'C', buffer+10, 5) => 5;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "\0\0\0\0\0\0", 6) => 0;
# memcmp(buffer+10, "ccccc", 5) => 0;
#
# lfs_setattr(&lfs, "hello", 'B', "dddddd", 6) => 0;
# lfs_getattr(&lfs, "hello", 'A', buffer, 4) => 4;
# lfs_getattr(&lfs, "hello", 'B', buffer+4, 6) => 6;
# lfs_getattr(&lfs, "hello", 'C', buffer+10, 5) => 5;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "dddddd", 6) => 0;
# memcmp(buffer+10, "ccccc", 5) => 0;
#
# lfs_setattr(&lfs, "hello", 'B', "eee", 3) => 0;
# lfs_getattr(&lfs, "hello", 'A', buffer, 4) => 4;
# lfs_getattr(&lfs, "hello", 'B', buffer+4, 6) => 3;
# lfs_getattr(&lfs, "hello", 'C', buffer+10, 5) => 5;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "eee\0\0\0", 6) => 0;
# memcmp(buffer+10, "ccccc", 5) => 0;
#
# lfs_setattr(&lfs, "hello", 'A', buffer, LFS_ATTR_MAX+1) => LFS_ERR_NOSPC;
# lfs_setattr(&lfs, "hello", 'B', "fffffffff", 9) => 0;
# lfs_getattr(&lfs, "hello", 'A', buffer, 4) => 4;
# lfs_getattr(&lfs, "hello", 'B', buffer+4, 6) => 9;
# lfs_getattr(&lfs, "hello", 'C', buffer+10, 5) => 5;
#
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# memset(buffer, 0, sizeof(buffer));
# lfs_getattr(&lfs, "hello", 'A', buffer, 4) => 4;
# lfs_getattr(&lfs, "hello", 'B', buffer+4, 9) => 9;
# lfs_getattr(&lfs, "hello", 'C', buffer+13, 5) => 5;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "fffffffff", 9) => 0;
# memcmp(buffer+13, "ccccc", 5) => 0;
#
# lfs_file_open(&lfs, &file, "hello/hello", LFS_O_RDONLY) => 0;
# lfs_file_read(&lfs, &file, buffer, sizeof(buffer)) => strlen("hello");
# memcmp(buffer, "hello", strlen("hello")) => 0;
# lfs_file_close(&lfs, &file);
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_attrs_get_set_root]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "hello") => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "hello/hello", LFS_O_WRONLY | LFS_O_CREAT) => 0;
# lfs_file_write(&lfs, &file, "hello", strlen("hello")) => strlen("hello");
# lfs_file_close(&lfs, &file);
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# uint8_t buffer[1024];
# memset(buffer, 0, sizeof(buffer));
# lfs_setattr(&lfs, "/", 'A', "aaaa", 4) => 0;
# lfs_setattr(&lfs, "/", 'B', "bbbbbb", 6) => 0;
# lfs_setattr(&lfs, "/", 'C', "ccccc", 5) => 0;
# lfs_getattr(&lfs, "/", 'A', buffer, 4) => 4;
# lfs_getattr(&lfs, "/", 'B', buffer+4, 6) => 6;
# lfs_getattr(&lfs, "/", 'C', buffer+10, 5) => 5;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "bbbbbb", 6) => 0;
# memcmp(buffer+10, "ccccc", 5) => 0;
#
# lfs_setattr(&lfs, "/", 'B', "", 0) => 0;
# lfs_getattr(&lfs, "/", 'A', buffer, 4) => 4;
# lfs_getattr(&lfs, "/", 'B', buffer+4, 6) => 0;
# lfs_getattr(&lfs, "/", 'C', buffer+10, 5) => 5;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "\0\0\0\0\0\0", 6) => 0;
# memcmp(buffer+10, "ccccc", 5) => 0;
#
# lfs_removeattr(&lfs, "/", 'B') => 0;
# lfs_getattr(&lfs, "/", 'A', buffer, 4) => 4;
# lfs_getattr(&lfs, "/", 'B', buffer+4, 6) => LFS_ERR_NOATTR;
# lfs_getattr(&lfs, "/", 'C', buffer+10, 5) => 5;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "\0\0\0\0\0\0", 6) => 0;
# memcmp(buffer+10, "ccccc", 5) => 0;
#
# lfs_setattr(&lfs, "/", 'B', "dddddd", 6) => 0;
# lfs_getattr(&lfs, "/", 'A', buffer, 4) => 4;
# lfs_getattr(&lfs, "/", 'B', buffer+4, 6) => 6;
# lfs_getattr(&lfs, "/", 'C', buffer+10, 5) => 5;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "dddddd", 6) => 0;
# memcmp(buffer+10, "ccccc", 5) => 0;
#
# lfs_setattr(&lfs, "/", 'B', "eee", 3) => 0;
# lfs_getattr(&lfs, "/", 'A', buffer, 4) => 4;
# lfs_getattr(&lfs, "/", 'B', buffer+4, 6) => 3;
# lfs_getattr(&lfs, "/", 'C', buffer+10, 5) => 5;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "eee\0\0\0", 6) => 0;
# memcmp(buffer+10, "ccccc", 5) => 0;
#
# lfs_setattr(&lfs, "/", 'A', buffer, LFS_ATTR_MAX+1) => LFS_ERR_NOSPC;
# lfs_setattr(&lfs, "/", 'B', "fffffffff", 9) => 0;
# lfs_getattr(&lfs, "/", 'A', buffer, 4) => 4;
# lfs_getattr(&lfs, "/", 'B', buffer+4, 6) => 9;
# lfs_getattr(&lfs, "/", 'C', buffer+10, 5) => 5;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# memset(buffer, 0, sizeof(buffer));
# lfs_getattr(&lfs, "/", 'A', buffer, 4) => 4;
# lfs_getattr(&lfs, "/", 'B', buffer+4, 9) => 9;
# lfs_getattr(&lfs, "/", 'C', buffer+13, 5) => 5;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "fffffffff", 9) => 0;
# memcmp(buffer+13, "ccccc", 5) => 0;
#
# lfs_file_open(&lfs, &file, "hello/hello", LFS_O_RDONLY) => 0;
# lfs_file_read(&lfs, &file, buffer, sizeof(buffer)) => strlen("hello");
# memcmp(buffer, "hello", strlen("hello")) => 0;
# lfs_file_close(&lfs, &file);
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_attrs_get_set_file]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "hello") => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "hello/hello", LFS_O_WRONLY | LFS_O_CREAT) => 0;
# lfs_file_write(&lfs, &file, "hello", strlen("hello")) => strlen("hello");
# lfs_file_close(&lfs, &file);
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# uint8_t buffer[1024];
# memset(buffer, 0, sizeof(buffer));
# struct lfs_attr attrs1[] = {
# {'A', buffer, 4},
# {'B', buffer+4, 6},
# {'C', buffer+10, 5},
# };
# struct lfs_file_config cfg1 = {.attrs=attrs1, .attr_count=3};
#
# lfs_file_opencfg(&lfs, &file, "hello/hello", LFS_O_WRONLY, &cfg1) => 0;
# memcpy(buffer, "aaaa", 4);
# memcpy(buffer+4, "bbbbbb", 6);
# memcpy(buffer+10, "ccccc", 5);
# lfs_file_close(&lfs, &file) => 0;
# memset(buffer, 0, 15);
# lfs_file_opencfg(&lfs, &file, "hello/hello", LFS_O_RDONLY, &cfg1) => 0;
# lfs_file_close(&lfs, &file) => 0;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "bbbbbb", 6) => 0;
# memcmp(buffer+10, "ccccc", 5) => 0;
#
# attrs1[1].size = 0;
# lfs_file_opencfg(&lfs, &file, "hello/hello", LFS_O_WRONLY, &cfg1) => 0;
# lfs_file_close(&lfs, &file) => 0;
# memset(buffer, 0, 15);
# attrs1[1].size = 6;
# lfs_file_opencfg(&lfs, &file, "hello/hello", LFS_O_RDONLY, &cfg1) => 0;
# lfs_file_close(&lfs, &file) => 0;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "\0\0\0\0\0\0", 6) => 0;
# memcmp(buffer+10, "ccccc", 5) => 0;
#
# attrs1[1].size = 6;
# lfs_file_opencfg(&lfs, &file, "hello/hello", LFS_O_WRONLY, &cfg1) => 0;
# memcpy(buffer+4, "dddddd", 6);
# lfs_file_close(&lfs, &file) => 0;
# memset(buffer, 0, 15);
# attrs1[1].size = 6;
# lfs_file_opencfg(&lfs, &file, "hello/hello", LFS_O_RDONLY, &cfg1) => 0;
# lfs_file_close(&lfs, &file) => 0;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "dddddd", 6) => 0;
# memcmp(buffer+10, "ccccc", 5) => 0;
#
# attrs1[1].size = 3;
# lfs_file_opencfg(&lfs, &file, "hello/hello", LFS_O_WRONLY, &cfg1) => 0;
# memcpy(buffer+4, "eee", 3);
# lfs_file_close(&lfs, &file) => 0;
# memset(buffer, 0, 15);
# attrs1[1].size = 6;
# lfs_file_opencfg(&lfs, &file, "hello/hello", LFS_O_RDONLY, &cfg1) => 0;
# lfs_file_close(&lfs, &file) => 0;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "eee\0\0\0", 6) => 0;
# memcmp(buffer+10, "ccccc", 5) => 0;
#
# attrs1[0].size = LFS_ATTR_MAX+1;
# lfs_file_opencfg(&lfs, &file, "hello/hello", LFS_O_WRONLY, &cfg1)
# => LFS_ERR_NOSPC;
#
# struct lfs_attr attrs2[] = {
# {'A', buffer, 4},
# {'B', buffer+4, 9},
# {'C', buffer+13, 5},
# };
# struct lfs_file_config cfg2 = {.attrs=attrs2, .attr_count=3};
# lfs_file_opencfg(&lfs, &file, "hello/hello", LFS_O_RDWR, &cfg2) => 0;
# memcpy(buffer+4, "fffffffff", 9);
# lfs_file_close(&lfs, &file) => 0;
# attrs1[0].size = 4;
# lfs_file_opencfg(&lfs, &file, "hello/hello", LFS_O_RDONLY, &cfg1) => 0;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# memset(buffer, 0, sizeof(buffer));
# struct lfs_attr attrs3[] = {
# {'A', buffer, 4},
# {'B', buffer+4, 9},
# {'C', buffer+13, 5},
# };
# struct lfs_file_config cfg3 = {.attrs=attrs3, .attr_count=3};
#
# lfs_file_opencfg(&lfs, &file, "hello/hello", LFS_O_RDONLY, &cfg3) => 0;
# lfs_file_close(&lfs, &file) => 0;
# memcmp(buffer, "aaaa", 4) => 0;
# memcmp(buffer+4, "fffffffff", 9) => 0;
# memcmp(buffer+13, "ccccc", 5) => 0;
#
# lfs_file_open(&lfs, &file, "hello/hello", LFS_O_RDONLY) => 0;
# lfs_file_read(&lfs, &file, buffer, sizeof(buffer)) => strlen("hello");
# memcmp(buffer, "hello", strlen("hello")) => 0;
# lfs_file_close(&lfs, &file);
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_attrs_deferred_file]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "hello") => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "hello/hello", LFS_O_WRONLY | LFS_O_CREAT) => 0;
# lfs_file_write(&lfs, &file, "hello", strlen("hello")) => strlen("hello");
# lfs_file_close(&lfs, &file);
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_setattr(&lfs, "hello/hello", 'B', "fffffffff", 9) => 0;
# lfs_setattr(&lfs, "hello/hello", 'C', "ccccc", 5) => 0;
#
# uint8_t buffer[1024];
# memset(buffer, 0, sizeof(buffer));
# struct lfs_attr attrs1[] = {
# {'B', "gggg", 4},
# {'C', "", 0},
# {'D', "hhhh", 4},
# };
# struct lfs_file_config cfg1 = {.attrs=attrs1, .attr_count=3};
#
# lfs_file_opencfg(&lfs, &file, "hello/hello", LFS_O_WRONLY, &cfg1) => 0;
#
# lfs_getattr(&lfs, "hello/hello", 'B', buffer, 9) => 9;
# lfs_getattr(&lfs, "hello/hello", 'C', buffer+9, 9) => 5;
# lfs_getattr(&lfs, "hello/hello", 'D', buffer+18, 9) => LFS_ERR_NOATTR;
# memcmp(buffer, "fffffffff", 9) => 0;
# memcmp(buffer+9, "ccccc\0\0\0\0", 9) => 0;
# memcmp(buffer+18, "\0\0\0\0\0\0\0\0\0", 9) => 0;
#
# lfs_file_sync(&lfs, &file) => 0;
# lfs_getattr(&lfs, "hello/hello", 'B', buffer, 9) => 4;
# lfs_getattr(&lfs, "hello/hello", 'C', buffer+9, 9) => 0;
# lfs_getattr(&lfs, "hello/hello", 'D', buffer+18, 9) => 4;
# memcmp(buffer, "gggg\0\0\0\0\0", 9) => 0;
# memcmp(buffer+9, "\0\0\0\0\0\0\0\0\0", 9) => 0;
# memcmp(buffer+18, "hhhh\0\0\0\0\0", 9) => 0;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''
-285
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@@ -5954,288 +5954,3 @@ code = '''
lfsr_unmount(&lfs) => 0;
'''
## bad blocks with block cycles should be tested in test_relocations
#if = '(int32_t)BLOCK_CYCLES == -1'
#
#[cases.test_badblocks_single]
#defines.BLOCK_COUNT = 256 # small bd so test runs faster
#defines.ERASE_CYCLES = 0xffffffff
#defines.ERASE_VALUE = [0x00, 0xff, -1]
#defines.BADBLOCK_BEHAVIOR = [
# 'LFS_EMUBD_BADBLOCK_PROGERROR',
# 'LFS_EMUBD_BADBLOCK_ERASEERROR',
# 'LFS_EMUBD_BADBLOCK_READERROR',
# 'LFS_EMUBD_BADBLOCK_PROGNOOP',
# 'LFS_EMUBD_BADBLOCK_ERASENOOP',
#]
#defines.NAMEMULT = 64
#defines.FILEMULT = 1
#code = '''
# for (lfs_block_t badblock = 2; badblock < BLOCK_COUNT; badblock++) {
# lfs_emubd_setwear(cfg, badblock-1, 0) => 0;
# lfs_emubd_setwear(cfg, badblock, 0xffffffff) => 0;
#
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 1; i < 10; i++) {
# uint8_t buffer[1024];
# for (int j = 0; j < NAMEMULT; j++) {
# buffer[j] = '0'+i;
# }
# buffer[NAMEMULT] = '\0';
# lfs_mkdir(&lfs, (char*)buffer) => 0;
#
# buffer[NAMEMULT] = '/';
# for (int j = 0; j < NAMEMULT; j++) {
# buffer[j+NAMEMULT+1] = '0'+i;
# }
# buffer[2*NAMEMULT+1] = '\0';
# lfs_file_t file;
# lfs_file_open(&lfs, &file, (char*)buffer,
# LFS_O_WRONLY | LFS_O_CREAT) => 0;
#
# lfs_size_t size = NAMEMULT;
# for (int j = 0; j < i*FILEMULT; j++) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
#
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 1; i < 10; i++) {
# uint8_t buffer[1024];
# for (int j = 0; j < NAMEMULT; j++) {
# buffer[j] = '0'+i;
# }
# buffer[NAMEMULT] = '\0';
# struct lfs_info info;
# lfs_stat(&lfs, (char*)buffer, &info) => 0;
# info.type => LFS_TYPE_DIR;
#
# buffer[NAMEMULT] = '/';
# for (int j = 0; j < NAMEMULT; j++) {
# buffer[j+NAMEMULT+1] = '0'+i;
# }
# buffer[2*NAMEMULT+1] = '\0';
# lfs_file_t file;
# lfs_file_open(&lfs, &file, (char*)buffer, LFS_O_RDONLY) => 0;
#
# int size = NAMEMULT;
# for (int j = 0; j < i*FILEMULT; j++) {
# uint8_t rbuffer[1024];
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(buffer, rbuffer, size) => 0;
# }
#
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
# }
#'''
#
#[cases.test_badblocks_region_corruption] # (causes cascading failures)
#defines.BLOCK_COUNT = 256 # small bd so test runs faster
#defines.ERASE_CYCLES = 0xffffffff
#defines.ERASE_VALUE = [0x00, 0xff, -1]
#defines.BADBLOCK_BEHAVIOR = [
# 'LFS_EMUBD_BADBLOCK_PROGERROR',
# 'LFS_EMUBD_BADBLOCK_ERASEERROR',
# 'LFS_EMUBD_BADBLOCK_READERROR',
# 'LFS_EMUBD_BADBLOCK_PROGNOOP',
# 'LFS_EMUBD_BADBLOCK_ERASENOOP',
#]
#defines.NAMEMULT = 64
#defines.FILEMULT = 1
#code = '''
# for (lfs_block_t i = 0; i < (BLOCK_COUNT-2)/2; i++) {
# lfs_emubd_setwear(cfg, i+2, 0xffffffff) => 0;
# }
#
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 1; i < 10; i++) {
# uint8_t buffer[1024];
# for (int j = 0; j < NAMEMULT; j++) {
# buffer[j] = '0'+i;
# }
# buffer[NAMEMULT] = '\0';
# lfs_mkdir(&lfs, (char*)buffer) => 0;
#
# buffer[NAMEMULT] = '/';
# for (int j = 0; j < NAMEMULT; j++) {
# buffer[j+NAMEMULT+1] = '0'+i;
# }
# buffer[2*NAMEMULT+1] = '\0';
# lfs_file_t file;
# lfs_file_open(&lfs, &file, (char*)buffer,
# LFS_O_WRONLY | LFS_O_CREAT) => 0;
#
# lfs_size_t size = NAMEMULT;
# for (int j = 0; j < i*FILEMULT; j++) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
#
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 1; i < 10; i++) {
# uint8_t buffer[1024];
# for (int j = 0; j < NAMEMULT; j++) {
# buffer[j] = '0'+i;
# }
# buffer[NAMEMULT] = '\0';
# struct lfs_info info;
# lfs_stat(&lfs, (char*)buffer, &info) => 0;
# info.type => LFS_TYPE_DIR;
#
# buffer[NAMEMULT] = '/';
# for (int j = 0; j < NAMEMULT; j++) {
# buffer[j+NAMEMULT+1] = '0'+i;
# }
# buffer[2*NAMEMULT+1] = '\0';
# lfs_file_t file;
# lfs_file_open(&lfs, &file, (char*)buffer, LFS_O_RDONLY) => 0;
#
# lfs_size_t size = NAMEMULT;
# for (int j = 0; j < i*FILEMULT; j++) {
# uint8_t rbuffer[1024];
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(buffer, rbuffer, size) => 0;
# }
#
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_badblocks_alternating_corruption] # (causes cascading failures)
#defines.BLOCK_COUNT = 256 # small bd so test runs faster
#defines.ERASE_CYCLES = 0xffffffff
#defines.ERASE_VALUE = [0x00, 0xff, -1]
#defines.BADBLOCK_BEHAVIOR = [
# 'LFS_EMUBD_BADBLOCK_PROGERROR',
# 'LFS_EMUBD_BADBLOCK_ERASEERROR',
# 'LFS_EMUBD_BADBLOCK_READERROR',
# 'LFS_EMUBD_BADBLOCK_PROGNOOP',
# 'LFS_EMUBD_BADBLOCK_ERASENOOP',
#]
#defines.NAMEMULT = 64
#defines.FILEMULT = 1
#code = '''
# for (lfs_block_t i = 0; i < (BLOCK_COUNT-2)/2; i++) {
# lfs_emubd_setwear(cfg, (2*i) + 2, 0xffffffff) => 0;
# }
#
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 1; i < 10; i++) {
# uint8_t buffer[1024];
# for (int j = 0; j < NAMEMULT; j++) {
# buffer[j] = '0'+i;
# }
# buffer[NAMEMULT] = '\0';
# lfs_mkdir(&lfs, (char*)buffer) => 0;
#
# buffer[NAMEMULT] = '/';
# for (int j = 0; j < NAMEMULT; j++) {
# buffer[j+NAMEMULT+1] = '0'+i;
# }
# buffer[2*NAMEMULT+1] = '\0';
# lfs_file_t file;
# lfs_file_open(&lfs, &file, (char*)buffer,
# LFS_O_WRONLY | LFS_O_CREAT) => 0;
#
# lfs_size_t size = NAMEMULT;
# for (int j = 0; j < i*FILEMULT; j++) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
#
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 1; i < 10; i++) {
# uint8_t buffer[1024];
# for (int j = 0; j < NAMEMULT; j++) {
# buffer[j] = '0'+i;
# }
# buffer[NAMEMULT] = '\0';
# struct lfs_info info;
# lfs_stat(&lfs, (char*)buffer, &info) => 0;
# info.type => LFS_TYPE_DIR;
#
# buffer[NAMEMULT] = '/';
# for (int j = 0; j < NAMEMULT; j++) {
# buffer[j+NAMEMULT+1] = '0'+i;
# }
# buffer[2*NAMEMULT+1] = '\0';
# lfs_file_t file;
# lfs_file_open(&lfs, &file, (char*)buffer, LFS_O_RDONLY) => 0;
#
# lfs_size_t size = NAMEMULT;
# for (int j = 0; j < i*FILEMULT; j++) {
# uint8_t rbuffer[1024];
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(buffer, rbuffer, size) => 0;
# }
#
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#'''
#
## other corner cases
#[cases.test_badblocks_superblocks] # (corrupt 1 or 0)
#defines.ERASE_CYCLES = 0xffffffff
#defines.ERASE_VALUE = [0x00, 0xff, -1]
#defines.BADBLOCK_BEHAVIOR = [
# 'LFS_EMUBD_BADBLOCK_PROGERROR',
# 'LFS_EMUBD_BADBLOCK_ERASEERROR',
# 'LFS_EMUBD_BADBLOCK_READERROR',
# 'LFS_EMUBD_BADBLOCK_PROGNOOP',
# 'LFS_EMUBD_BADBLOCK_ERASENOOP',
#]
#code = '''
# lfs_emubd_setwear(cfg, 0, 0xffffffff) => 0;
# lfs_emubd_setwear(cfg, 1, 0xffffffff) => 0;
#
# lfs_t lfs;
# lfs_format(&lfs, cfg) => LFS_ERR_NOSPC;
# lfs_mount(&lfs, cfg) => LFS_ERR_CORRUPT;
#'''
-3
View File
@@ -245,6 +245,3 @@ code = '''
}
'''
-934
View File
@@ -6952,937 +6952,3 @@ code = '''
lfsr_unmount(&lfs) => 0;
'''
#[cases.test_dirs_root]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_dirs_many_creation]
#defines.N = 'range(3, 100, 3)'
#if = 'N < BLOCK_COUNT/2'
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "dir%03d", i);
# lfs_mkdir(&lfs, path) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "dir%03d", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, path) == 0);
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_dirs_many_removal]
#defines.N = 'range(3, 100, 11)'
#if = 'N < BLOCK_COUNT/2'
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "removeme%03d", i);
# lfs_mkdir(&lfs, path) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "removeme%03d", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, path) == 0);
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs);
#
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "removeme%03d", i);
# lfs_remove(&lfs, path) => 0;
# }
# lfs_unmount(&lfs);
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_dirs_many_rename]
#defines.N = 'range(3, 100, 11)'
#if = 'N < BLOCK_COUNT/2'
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "test%03d", i);
# lfs_mkdir(&lfs, path) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "test%03d", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, path) == 0);
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs);
#
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 0; i < N; i++) {
# char oldpath[128];
# char newpath[128];
# sprintf(oldpath, "test%03d", i);
# sprintf(newpath, "tedd%03d", i);
# lfs_rename(&lfs, oldpath, newpath) => 0;
# }
# lfs_unmount(&lfs);
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "tedd%03d", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, path) == 0);
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs);
#'''
#
#[cases.test_dirs_many_reentrant]
#defines.N = [5, 11]
#if = 'BLOCK_COUNT >= 4*N'
#reentrant = true
#code = '''
# lfs_t lfs;
# int err = lfs_mount(&lfs, cfg);
# if (err) {
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# }
#
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "hi%03d", i);
# err = lfs_mkdir(&lfs, path);
# assert(err == 0 || err == LFS_ERR_EXIST);
# }
#
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "hello%03d", i);
# err = lfs_remove(&lfs, path);
# assert(err == 0 || err == LFS_ERR_NOENT);
# }
#
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "hi%03d", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, path) == 0);
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
#
# for (int i = 0; i < N; i++) {
# char oldpath[128];
# char newpath[128];
# sprintf(oldpath, "hi%03d", i);
# sprintf(newpath, "hello%03d", i);
# // YES this can overwrite an existing newpath
# lfs_rename(&lfs, oldpath, newpath) => 0;
# }
#
# lfs_dir_open(&lfs, &dir, "/") => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "hello%03d", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, path) == 0);
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
#
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "hello%03d", i);
# lfs_remove(&lfs, path) => 0;
# }
#
# lfs_dir_open(&lfs, &dir, "/") => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_dirs_file_creation]
#defines.N = 'range(3, 100, 11)'
#if = 'N < BLOCK_COUNT/2'
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "file%03d", i);
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "file%03d", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_REG);
# assert(strcmp(info.name, path) == 0);
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs);
#'''
#
#[cases.test_dirs_file_removal]
#defines.N = 'range(3, 100, 11)'
#if = 'N < BLOCK_COUNT/2'
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "removeme%03d", i);
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "removeme%03d", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_REG);
# assert(strcmp(info.name, path) == 0);
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs);
#
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "removeme%03d", i);
# lfs_remove(&lfs, path) => 0;
# }
# lfs_unmount(&lfs);
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_dirs_file_rename]
#defines.N = 'range(3, 100, 11)'
#if = 'N < BLOCK_COUNT/2'
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "test%03d", i);
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "test%03d", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_REG);
# assert(strcmp(info.name, path) == 0);
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs);
#
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 0; i < N; i++) {
# char oldpath[128];
# char newpath[128];
# sprintf(oldpath, "test%03d", i);
# sprintf(newpath, "tedd%03d", i);
# lfs_rename(&lfs, oldpath, newpath) => 0;
# }
# lfs_unmount(&lfs);
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "tedd%03d", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_REG);
# assert(strcmp(info.name, path) == 0);
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs);
#'''
#
#[cases.test_dirs_file_reentrant]
#defines.N = [5, 25]
#if = 'N < BLOCK_COUNT/2'
#reentrant = true
#code = '''
# lfs_t lfs;
# int err = lfs_mount(&lfs, cfg);
# if (err) {
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# }
#
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "hi%03d", i);
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path, LFS_O_CREAT | LFS_O_WRONLY) => 0;
# lfs_file_close(&lfs, &file) => 0;
# }
#
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "hello%03d", i);
# err = lfs_remove(&lfs, path);
# assert(err == 0 || err == LFS_ERR_NOENT);
# }
#
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "hi%03d", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_REG);
# assert(strcmp(info.name, path) == 0);
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
#
# for (int i = 0; i < N; i++) {
# char oldpath[128];
# char newpath[128];
# sprintf(oldpath, "hi%03d", i);
# sprintf(newpath, "hello%03d", i);
# // YES this can overwrite an existing newpath
# lfs_rename(&lfs, oldpath, newpath) => 0;
# }
#
# lfs_dir_open(&lfs, &dir, "/") => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "hello%03d", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_REG);
# assert(strcmp(info.name, path) == 0);
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
#
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "hello%03d", i);
# lfs_remove(&lfs, path) => 0;
# }
#
# lfs_dir_open(&lfs, &dir, "/") => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_dirs_nested]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "potato") => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "burito",
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "potato/baked") => 0;
# lfs_mkdir(&lfs, "potato/sweet") => 0;
# lfs_mkdir(&lfs, "potato/fried") => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "potato") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, ".") == 0);
# info.type => LFS_TYPE_DIR;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "..") == 0);
# info.type => LFS_TYPE_DIR;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "baked") == 0);
# info.type => LFS_TYPE_DIR;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "fried") == 0);
# info.type => LFS_TYPE_DIR;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "sweet") == 0);
# info.type => LFS_TYPE_DIR;
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs) => 0;
#
# // try removing?
# lfs_mount(&lfs, cfg) => 0;
# lfs_remove(&lfs, "potato") => LFS_ERR_NOTEMPTY;
# lfs_unmount(&lfs) => 0;
#
# // try renaming?
# lfs_mount(&lfs, cfg) => 0;
# lfs_rename(&lfs, "potato", "coldpotato") => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_rename(&lfs, "coldpotato", "warmpotato") => 0;
# lfs_rename(&lfs, "warmpotato", "hotpotato") => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_remove(&lfs, "potato") => LFS_ERR_NOENT;
# lfs_remove(&lfs, "coldpotato") => LFS_ERR_NOENT;
# lfs_remove(&lfs, "warmpotato") => LFS_ERR_NOENT;
# lfs_remove(&lfs, "hotpotato") => LFS_ERR_NOTEMPTY;
# lfs_unmount(&lfs) => 0;
#
# // try cross-directory renaming
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "coldpotato") => 0;
# lfs_rename(&lfs, "hotpotato/baked", "coldpotato/baked") => 0;
# lfs_rename(&lfs, "coldpotato", "hotpotato") => LFS_ERR_NOTEMPTY;
# lfs_remove(&lfs, "coldpotato") => LFS_ERR_NOTEMPTY;
# lfs_remove(&lfs, "hotpotato") => LFS_ERR_NOTEMPTY;
# lfs_rename(&lfs, "hotpotato/fried", "coldpotato/fried") => 0;
# lfs_rename(&lfs, "coldpotato", "hotpotato") => LFS_ERR_NOTEMPTY;
# lfs_remove(&lfs, "coldpotato") => LFS_ERR_NOTEMPTY;
# lfs_remove(&lfs, "hotpotato") => LFS_ERR_NOTEMPTY;
# lfs_rename(&lfs, "hotpotato/sweet", "coldpotato/sweet") => 0;
# lfs_rename(&lfs, "coldpotato", "hotpotato") => 0;
# lfs_remove(&lfs, "coldpotato") => LFS_ERR_NOENT;
# lfs_remove(&lfs, "hotpotato") => LFS_ERR_NOTEMPTY;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_open(&lfs, &dir, "hotpotato") => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, ".") == 0);
# info.type => LFS_TYPE_DIR;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "..") == 0);
# info.type => LFS_TYPE_DIR;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "baked") == 0);
# info.type => LFS_TYPE_DIR;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "fried") == 0);
# info.type => LFS_TYPE_DIR;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "sweet") == 0);
# info.type => LFS_TYPE_DIR;
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs) => 0;
#
# // final remove
# lfs_mount(&lfs, cfg) => 0;
# lfs_remove(&lfs, "hotpotato") => LFS_ERR_NOTEMPTY;
# lfs_remove(&lfs, "hotpotato/baked") => 0;
# lfs_remove(&lfs, "hotpotato") => LFS_ERR_NOTEMPTY;
# lfs_remove(&lfs, "hotpotato/fried") => 0;
# lfs_remove(&lfs, "hotpotato") => LFS_ERR_NOTEMPTY;
# lfs_remove(&lfs, "hotpotato/sweet") => 0;
# lfs_remove(&lfs, "hotpotato") => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, ".") == 0);
# info.type => LFS_TYPE_DIR;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "..") == 0);
# info.type => LFS_TYPE_DIR;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "burito") == 0);
# info.type => LFS_TYPE_REG;
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_dirs_recursive_remove]
#defines.N = [10, 100]
#if = 'N < BLOCK_COUNT/2'
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "prickly-pear") => 0;
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "prickly-pear/cactus%03d", i);
# lfs_mkdir(&lfs, path) => 0;
# }
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "prickly-pear") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "cactus%03d", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, path) == 0);
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs);
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_remove(&lfs, "prickly-pear") => LFS_ERR_NOTEMPTY;
#
# lfs_dir_open(&lfs, &dir, "prickly-pear") => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# for (int i = 0; i < N; i++) {
# char path[1024];
# sprintf(path, "cactus%03d", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, path) == 0);
# sprintf(path, "prickly-pear/%s", info.name);
# lfs_remove(&lfs, path) => 0;
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
#
# lfs_remove(&lfs, "prickly-pear") => 0;
# lfs_remove(&lfs, "prickly-pear") => LFS_ERR_NOENT;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_remove(&lfs, "prickly-pear") => LFS_ERR_NOENT;
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_dirs_other_errors]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "potato") => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "burito",
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
#
# lfs_mkdir(&lfs, "potato") => LFS_ERR_EXIST;
# lfs_mkdir(&lfs, "burito") => LFS_ERR_EXIST;
# lfs_file_open(&lfs, &file, "burito",
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
# lfs_file_open(&lfs, &file, "potato",
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "tomato") => LFS_ERR_NOENT;
# lfs_dir_open(&lfs, &dir, "burito") => LFS_ERR_NOTDIR;
# lfs_file_open(&lfs, &file, "tomato", LFS_O_RDONLY) => LFS_ERR_NOENT;
# lfs_file_open(&lfs, &file, "potato", LFS_O_RDONLY) => LFS_ERR_ISDIR;
# lfs_file_open(&lfs, &file, "tomato", LFS_O_WRONLY) => LFS_ERR_NOENT;
# lfs_file_open(&lfs, &file, "potato", LFS_O_WRONLY) => LFS_ERR_ISDIR;
# lfs_file_open(&lfs, &file, "potato",
# LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
#
# lfs_mkdir(&lfs, "/") => LFS_ERR_EXIST;
# lfs_file_open(&lfs, &file, "/",
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => LFS_ERR_EXIST;
# lfs_file_open(&lfs, &file, "/", LFS_O_RDONLY) => LFS_ERR_ISDIR;
# lfs_file_open(&lfs, &file, "/", LFS_O_WRONLY) => LFS_ERR_ISDIR;
# lfs_file_open(&lfs, &file, "/",
# LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_ISDIR;
#
# // check that errors did not corrupt directory
# lfs_dir_open(&lfs, &dir, "/") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_REG);
# assert(strcmp(info.name, "burito") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "potato") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
#
# lfs_unmount(&lfs) => 0;
#
# // or on disk
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, ".") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "..") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_REG);
# assert(strcmp(info.name, "burito") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(info.type == LFS_TYPE_DIR);
# assert(strcmp(info.name, "potato") == 0);
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_dirs_seek]
#defines.COUNT = [4, 128, 132]
#if = 'COUNT < BLOCK_COUNT/2'
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "hello") => 0;
# for (int i = 0; i < COUNT; i++) {
# char path[1024];
# sprintf(path, "hello/kitty%03d", i);
# lfs_mkdir(&lfs, path) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# for (int j = 2; j < COUNT; j++) {
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "hello") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, ".") == 0);
# assert(info.type == LFS_TYPE_DIR);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "..") == 0);
# assert(info.type == LFS_TYPE_DIR);
#
# lfs_soff_t pos;
# for (int i = 0; i < j; i++) {
# char path[1024];
# sprintf(path, "kitty%03d", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, path) == 0);
# assert(info.type == LFS_TYPE_DIR);
# pos = lfs_dir_tell(&lfs, &dir);
# assert(pos >= 0);
# }
#
# lfs_dir_seek(&lfs, &dir, pos) => 0;
# char path[1024];
# sprintf(path, "kitty%03d", j);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, path) == 0);
# assert(info.type == LFS_TYPE_DIR);
#
# lfs_dir_rewind(&lfs, &dir) => 0;
# sprintf(path, "kitty%03u", 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, ".") == 0);
# assert(info.type == LFS_TYPE_DIR);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "..") == 0);
# assert(info.type == LFS_TYPE_DIR);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, path) == 0);
# assert(info.type == LFS_TYPE_DIR);
#
# lfs_dir_seek(&lfs, &dir, pos) => 0;
# sprintf(path, "kitty%03d", j);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, path) == 0);
# assert(info.type == LFS_TYPE_DIR);
#
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs) => 0;
# }
#'''
#
#[cases.test_dirs_toot_seek]
#defines.COUNT = [4, 128, 132]
#if = 'COUNT < BLOCK_COUNT/2'
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# for (int i = 0; i < COUNT; i++) {
# char path[1024];
# sprintf(path, "hi%03d", i);
# lfs_mkdir(&lfs, path) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# for (int j = 2; j < COUNT; j++) {
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, ".") == 0);
# assert(info.type == LFS_TYPE_DIR);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "..") == 0);
# assert(info.type == LFS_TYPE_DIR);
#
# lfs_soff_t pos;
# for (int i = 0; i < j; i++) {
# char path[1024];
# sprintf(path, "hi%03d", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, path) == 0);
# assert(info.type == LFS_TYPE_DIR);
# pos = lfs_dir_tell(&lfs, &dir);
# assert(pos >= 0);
# }
#
# lfs_dir_seek(&lfs, &dir, pos) => 0;
# char path[1024];
# sprintf(path, "hi%03d", j);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, path) == 0);
# assert(info.type == LFS_TYPE_DIR);
#
# lfs_dir_rewind(&lfs, &dir) => 0;
# sprintf(path, "hi%03u", 0);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, ".") == 0);
# assert(info.type == LFS_TYPE_DIR);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "..") == 0);
# assert(info.type == LFS_TYPE_DIR);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, path) == 0);
# assert(info.type == LFS_TYPE_DIR);
#
# lfs_dir_seek(&lfs, &dir, pos) => 0;
# sprintf(path, "hi%03d", j);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, path) == 0);
# assert(info.type == LFS_TYPE_DIR);
#
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs) => 0;
# }
#'''
#
-642
View File
@@ -1,642 +0,0 @@
## These tests are for some specific corner cases with neighboring inline files.
## Note that these tests are intended for 512 byte inline sizes. They should
## still pass with other inline sizes but wouldn't be testing anything.
#
#defines.CACHE_SIZE = 512
#if = 'CACHE_SIZE % PROG_SIZE == 0 && CACHE_SIZE == 512'
#
#[cases.test_entries_grow]
#code = '''
# uint8_t wbuffer[1024];
# uint8_t rbuffer[1024];
#
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
#
# // write hi0 20
# char path[1024];
# lfs_size_t size;
# sprintf(path, "hi0"); size = 20;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi1 20
# sprintf(path, "hi1"); size = 20;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi2 20
# sprintf(path, "hi2"); size = 20;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi3 20
# sprintf(path, "hi3"); size = 20;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
#
# // read hi1 20
# sprintf(path, "hi1"); size = 20;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // write hi1 200
# sprintf(path, "hi1"); size = 200;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
#
# // read hi0 20
# sprintf(path, "hi0"); size = 20;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi1 200
# sprintf(path, "hi1"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi2 20
# sprintf(path, "hi2"); size = 20;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi3 20
# sprintf(path, "hi3"); size = 20;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_entries_shrink]
#code = '''
# uint8_t wbuffer[1024];
# uint8_t rbuffer[1024];
#
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
#
# // write hi0 20
# char path[1024];
# lfs_size_t size;
# sprintf(path, "hi0"); size = 20;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi1 200
# sprintf(path, "hi1"); size = 200;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi2 20
# sprintf(path, "hi2"); size = 20;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi3 20
# sprintf(path, "hi3"); size = 20;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
#
# // read hi1 200
# sprintf(path, "hi1"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // write hi1 20
# sprintf(path, "hi1"); size = 20;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
#
# // read hi0 20
# sprintf(path, "hi0"); size = 20;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi1 20
# sprintf(path, "hi1"); size = 20;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi2 20
# sprintf(path, "hi2"); size = 20;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi3 20
# sprintf(path, "hi3"); size = 20;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_entries_spill]
#code = '''
# uint8_t wbuffer[1024];
# uint8_t rbuffer[1024];
#
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
#
# // write hi0 200
# char path[1024];
# lfs_size_t size;
# sprintf(path, "hi0"); size = 200;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi1 200
# sprintf(path, "hi1"); size = 200;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi2 200
# sprintf(path, "hi2"); size = 200;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi3 200
# sprintf(path, "hi3"); size = 200;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
#
# // read hi0 200
# sprintf(path, "hi0"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi1 200
# sprintf(path, "hi1"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi2 200
# sprintf(path, "hi2"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi3 200
# sprintf(path, "hi3"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_entries_push_spill]
#code = '''
# uint8_t wbuffer[1024];
# uint8_t rbuffer[1024];
#
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
#
# // write hi0 200
# char path[1024];
# lfs_size_t size;
# sprintf(path, "hi0"); size = 200;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi1 20
# sprintf(path, "hi1"); size = 20;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi2 200
# sprintf(path, "hi2"); size = 200;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi3 200
# sprintf(path, "hi3"); size = 200;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
#
# // read hi1 20
# sprintf(path, "hi1"); size = 20;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // write hi1 200
# sprintf(path, "hi1"); size = 200;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
#
# // read hi0 200
# sprintf(path, "hi0"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi1 200
# sprintf(path, "hi1"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi2 200
# sprintf(path, "hi2"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi3 200
# sprintf(path, "hi3"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_entries_push_spill_two]
#code = '''
# uint8_t wbuffer[1024];
# uint8_t rbuffer[1024];
#
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
#
# // write hi0 200
# char path[1024];
# lfs_size_t size;
# sprintf(path, "hi0"); size = 200;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi1 20
# sprintf(path, "hi1"); size = 20;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi2 200
# sprintf(path, "hi2"); size = 200;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi3 200
# sprintf(path, "hi3"); size = 200;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi4 200
# sprintf(path, "hi4"); size = 200;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
#
# // read hi1 20
# sprintf(path, "hi1"); size = 20;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // write hi1 200
# sprintf(path, "hi1"); size = 200;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
#
# // read hi0 200
# sprintf(path, "hi0"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi1 200
# sprintf(path, "hi1"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi2 200
# sprintf(path, "hi2"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi3 200
# sprintf(path, "hi3"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi4 200
# sprintf(path, "hi4"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_entries_drop]
#code = '''
# uint8_t wbuffer[1024];
# uint8_t rbuffer[1024];
#
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
#
# // write hi0 200
# char path[1024];
# lfs_size_t size;
# sprintf(path, "hi0"); size = 200;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi1 200
# sprintf(path, "hi1"); size = 200;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi2 200
# sprintf(path, "hi2"); size = 200;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
# // write hi3 200
# sprintf(path, "hi3"); size = 200;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_remove(&lfs, "hi1") => 0;
# struct lfs_info info;
# lfs_stat(&lfs, "hi1", &info) => LFS_ERR_NOENT;
# // read hi0 200
# sprintf(path, "hi0"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi2 200
# sprintf(path, "hi2"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi3 200
# sprintf(path, "hi3"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_remove(&lfs, "hi2") => 0;
# lfs_stat(&lfs, "hi2", &info) => LFS_ERR_NOENT;
# // read hi0 200
# sprintf(path, "hi0"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# // read hi3 200
# sprintf(path, "hi3"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_remove(&lfs, "hi3") => 0;
# lfs_stat(&lfs, "hi3", &info) => LFS_ERR_NOENT;
# // read hi0 200
# sprintf(path, "hi0"); size = 200;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_remove(&lfs, "hi0") => 0;
# lfs_stat(&lfs, "hi0", &info) => LFS_ERR_NOENT;
#
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_entries_create_too_big]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# char path[1024];
# memset(path, 'm', 200);
# path[200] = '\0';
#
# lfs_size_t size = 400;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# uint8_t wbuffer[1024];
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_close(&lfs, &file) => 0;
#
# size = 400;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# uint8_t rbuffer[1024];
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_entries_resize_too_big]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# char path[1024];
# memset(path, 'm', 200);
# path[200] = '\0';
#
# lfs_size_t size = 40;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# uint8_t wbuffer[1024];
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_close(&lfs, &file) => 0;
#
# size = 40;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# uint8_t rbuffer[1024];
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
#
# size = 400;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# memset(wbuffer, 'c', size);
# lfs_file_write(&lfs, &file, wbuffer, size) => size;
# lfs_file_close(&lfs, &file) => 0;
#
# size = 400;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# memcmp(rbuffer, wbuffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''
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@@ -1,306 +0,0 @@
## Tests for recovering from conditions which shouldn't normally
## happen during normal operation of littlefs
#
## invalid pointer tests (outside of block_count)
#
#[cases.test_evil_invalid_tail_pointer]
#defines.TAIL_TYPE = ['LFS_TYPE_HARDTAIL', 'LFS_TYPE_SOFTTAIL']
#defines.INVALSET = [0x3, 0x1, 0x2]
#in = "lfs.c"
#code = '''
# // create littlefs
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# // change tail-pointer to invalid pointers
# lfs_init(&lfs, cfg) => 0;
# lfs_mdir_t mdir;
# lfs_dir_fetch(&lfs, &mdir, (lfs_block_t[2]){0, 1}) => 0;
# lfs_dir_commit(&lfs, &mdir, LFS_MKATTRS(
# {LFS_MKTAG(LFS_TYPE_HARDTAIL, 0x3ff, 8),
# (lfs_block_t[2]){
# (INVALSET & 0x1) ? 0xcccccccc : 0,
# (INVALSET & 0x2) ? 0xcccccccc : 0}})) => 0;
# lfs_deinit(&lfs) => 0;
#
# // test that mount fails gracefully
# lfs_mount(&lfs, cfg) => LFS_ERR_CORRUPT;
#'''
#
#[cases.test_evil_invalid_dir_pointer]
#defines.INVALSET = [0x3, 0x1, 0x2]
#in = "lfs.c"
#code = '''
# // create littlefs
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# // make a dir
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "dir_here") => 0;
# lfs_unmount(&lfs) => 0;
#
# // change the dir pointer to be invalid
# lfs_init(&lfs, cfg) => 0;
# lfs_mdir_t mdir;
# lfs_dir_fetch(&lfs, &mdir, (lfs_block_t[2]){0, 1}) => 0;
# // make sure id 1 == our directory
# uint8_t buffer[1024];
# lfs_dir_get(&lfs, &mdir,
# LFS_MKTAG(0x700, 0x3ff, 0),
# LFS_MKTAG(LFS_TYPE_NAME, 1, strlen("dir_here")), buffer)
# => LFS_MKTAG(LFS_TYPE_DIR, 1, strlen("dir_here"));
# assert(memcmp((char*)buffer, "dir_here", strlen("dir_here")) == 0);
# // change dir pointer
# lfs_dir_commit(&lfs, &mdir, LFS_MKATTRS(
# {LFS_MKTAG(LFS_TYPE_DIRSTRUCT, 1, 8),
# (lfs_block_t[2]){
# (INVALSET & 0x1) ? 0xcccccccc : 0,
# (INVALSET & 0x2) ? 0xcccccccc : 0}})) => 0;
# lfs_deinit(&lfs) => 0;
#
# // test that accessing our bad dir fails, note there's a number
# // of ways to access the dir, some can fail, but some don't
# lfs_mount(&lfs, cfg) => 0;
# struct lfs_info info;
# lfs_stat(&lfs, "dir_here", &info) => 0;
# assert(strcmp(info.name, "dir_here") == 0);
# assert(info.type == LFS_TYPE_DIR);
#
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "dir_here") => LFS_ERR_CORRUPT;
# lfs_stat(&lfs, "dir_here/file_here", &info) => LFS_ERR_CORRUPT;
# lfs_dir_open(&lfs, &dir, "dir_here/dir_here") => LFS_ERR_CORRUPT;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "dir_here/file_here",
# LFS_O_RDONLY) => LFS_ERR_CORRUPT;
# lfs_file_open(&lfs, &file, "dir_here/file_here",
# LFS_O_WRONLY | LFS_O_CREAT) => LFS_ERR_CORRUPT;
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_evil_invalid_file_pointer]
#in = "lfs.c"
#defines.SIZE = [10, 1000, 100000] # faked file size
#code = '''
# // create littlefs
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# // make a file
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "file_here",
# LFS_O_WRONLY | LFS_O_CREAT) => 0;
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# // change the file pointer to be invalid
# lfs_init(&lfs, cfg) => 0;
# lfs_mdir_t mdir;
# lfs_dir_fetch(&lfs, &mdir, (lfs_block_t[2]){0, 1}) => 0;
# // make sure id 1 == our file
# uint8_t buffer[1024];
# lfs_dir_get(&lfs, &mdir,
# LFS_MKTAG(0x700, 0x3ff, 0),
# LFS_MKTAG(LFS_TYPE_NAME, 1, strlen("file_here")), buffer)
# => LFS_MKTAG(LFS_TYPE_REG, 1, strlen("file_here"));
# assert(memcmp((char*)buffer, "file_here", strlen("file_here")) == 0);
# // change file pointer
# lfs_dir_commit(&lfs, &mdir, LFS_MKATTRS(
# {LFS_MKTAG(LFS_TYPE_CTZSTRUCT, 1, sizeof(struct lfs_ctz)),
# &(struct lfs_ctz){0xcccccccc, lfs_tole32(SIZE)}})) => 0;
# lfs_deinit(&lfs) => 0;
#
# // test that accessing our bad file fails, note there's a number
# // of ways to access the dir, some can fail, but some don't
# lfs_mount(&lfs, cfg) => 0;
# struct lfs_info info;
# lfs_stat(&lfs, "file_here", &info) => 0;
# assert(strcmp(info.name, "file_here") == 0);
# assert(info.type == LFS_TYPE_REG);
# assert(info.size == SIZE);
#
# lfs_file_open(&lfs, &file, "file_here", LFS_O_RDONLY) => 0;
# lfs_file_read(&lfs, &file, buffer, SIZE) => LFS_ERR_CORRUPT;
# lfs_file_close(&lfs, &file) => 0;
#
# // any allocs that traverse CTZ must unfortunately must fail
# if (SIZE > 2*BLOCK_SIZE) {
# lfs_mkdir(&lfs, "dir_here") => LFS_ERR_CORRUPT;
# }
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_evil_invalid_ctz_pointer] # invalid pointer in CTZ skip-list test
#defines.SIZE = ['2*BLOCK_SIZE', '3*BLOCK_SIZE', '4*BLOCK_SIZE']
#in = "lfs.c"
#code = '''
# // create littlefs
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# // make a file
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "file_here",
# LFS_O_WRONLY | LFS_O_CREAT) => 0;
# for (int i = 0; i < SIZE; i++) {
# char c = 'c';
# lfs_file_write(&lfs, &file, &c, 1) => 1;
# }
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
# // change pointer in CTZ skip-list to be invalid
# lfs_init(&lfs, cfg) => 0;
# lfs_mdir_t mdir;
# lfs_dir_fetch(&lfs, &mdir, (lfs_block_t[2]){0, 1}) => 0;
# // make sure id 1 == our file and get our CTZ structure
# uint8_t buffer[4*BLOCK_SIZE];
# lfs_dir_get(&lfs, &mdir,
# LFS_MKTAG(0x700, 0x3ff, 0),
# LFS_MKTAG(LFS_TYPE_NAME, 1, strlen("file_here")), buffer)
# => LFS_MKTAG(LFS_TYPE_REG, 1, strlen("file_here"));
# assert(memcmp((char*)buffer, "file_here", strlen("file_here")) == 0);
# struct lfs_ctz ctz;
# lfs_dir_get(&lfs, &mdir,
# LFS_MKTAG(0x700, 0x3ff, 0),
# LFS_MKTAG(LFS_TYPE_STRUCT, 1, sizeof(struct lfs_ctz)), &ctz)
# => LFS_MKTAG(LFS_TYPE_CTZSTRUCT, 1, sizeof(struct lfs_ctz));
# lfs_ctz_fromle32(&ctz);
# // rewrite block to contain bad pointer
# uint8_t bbuffer[BLOCK_SIZE];
# cfg->read(cfg, ctz.head, 0, bbuffer, BLOCK_SIZE) => 0;
# uint32_t bad = lfs_tole32(0xcccccccc);
# memcpy(&bbuffer[0], &bad, sizeof(bad));
# memcpy(&bbuffer[4], &bad, sizeof(bad));
# cfg->erase(cfg, ctz.head) => 0;
# cfg->prog(cfg, ctz.head, 0, bbuffer, BLOCK_SIZE) => 0;
# lfs_deinit(&lfs) => 0;
#
# // test that accessing our bad file fails, note there's a number
# // of ways to access the dir, some can fail, but some don't
# lfs_mount(&lfs, cfg) => 0;
# struct lfs_info info;
# lfs_stat(&lfs, "file_here", &info) => 0;
# assert(strcmp(info.name, "file_here") == 0);
# assert(info.type == LFS_TYPE_REG);
# assert(info.size == SIZE);
#
# lfs_file_open(&lfs, &file, "file_here", LFS_O_RDONLY) => 0;
# lfs_file_read(&lfs, &file, buffer, SIZE) => LFS_ERR_CORRUPT;
# lfs_file_close(&lfs, &file) => 0;
#
# // any allocs that traverse CTZ must unfortunately must fail
# if (SIZE > 2*BLOCK_SIZE) {
# lfs_mkdir(&lfs, "dir_here") => LFS_ERR_CORRUPT;
# }
# lfs_unmount(&lfs) => 0;
#'''
#
#
#[cases.test_evil_invalid_gstate_pointer]
#defines.INVALSET = [0x3, 0x1, 0x2]
#in = "lfs.c"
#code = '''
# // create littlefs
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# // create an invalid gstate
# lfs_init(&lfs, cfg) => 0;
# lfs_mdir_t mdir;
# lfs_dir_fetch(&lfs, &mdir, (lfs_block_t[2]){0, 1}) => 0;
# lfs_fs_prepmove(&lfs, 1, (lfs_block_t [2]){
# (INVALSET & 0x1) ? 0xcccccccc : 0,
# (INVALSET & 0x2) ? 0xcccccccc : 0});
# lfs_dir_commit(&lfs, &mdir, NULL, 0) => 0;
# lfs_deinit(&lfs) => 0;
#
# // test that mount fails gracefully
# // mount may not fail, but our first alloc should fail when
# // we try to fix the gstate
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "should_fail") => LFS_ERR_CORRUPT;
# lfs_unmount(&lfs) => 0;
#'''
#
## cycle detection/recovery tests
#
#[cases.test_evil_mdir_loop] # metadata-pair threaded-list loop test
#in = "lfs.c"
#code = '''
# // create littlefs
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# // change tail-pointer to point to ourself
# lfs_init(&lfs, cfg) => 0;
# lfs_mdir_t mdir;
# lfs_dir_fetch(&lfs, &mdir, (lfs_block_t[2]){0, 1}) => 0;
# lfs_dir_commit(&lfs, &mdir, LFS_MKATTRS(
# {LFS_MKTAG(LFS_TYPE_HARDTAIL, 0x3ff, 8),
# (lfs_block_t[2]){0, 1}})) => 0;
# lfs_deinit(&lfs) => 0;
#
# // test that mount fails gracefully
# lfs_mount(&lfs, cfg) => LFS_ERR_CORRUPT;
#'''
#
#[cases.test_evil_mdir_loop2] # metadata-pair threaded-list 2-length loop test
#in = "lfs.c"
#code = '''
# // create littlefs with child dir
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "child") => 0;
# lfs_unmount(&lfs) => 0;
#
# // find child
# lfs_init(&lfs, cfg) => 0;
# lfs_mdir_t mdir;
# lfs_block_t pair[2];
# lfs_dir_fetch(&lfs, &mdir, (lfs_block_t[2]){0, 1}) => 0;
# lfs_dir_get(&lfs, &mdir,
# LFS_MKTAG(0x7ff, 0x3ff, 0),
# LFS_MKTAG(LFS_TYPE_DIRSTRUCT, 1, sizeof(pair)), pair)
# => LFS_MKTAG(LFS_TYPE_DIRSTRUCT, 1, sizeof(pair));
# lfs_pair_fromle32(pair);
# // change tail-pointer to point to root
# lfs_dir_fetch(&lfs, &mdir, pair) => 0;
# lfs_dir_commit(&lfs, &mdir, LFS_MKATTRS(
# {LFS_MKTAG(LFS_TYPE_HARDTAIL, 0x3ff, 8),
# (lfs_block_t[2]){0, 1}})) => 0;
# lfs_deinit(&lfs) => 0;
#
# // test that mount fails gracefully
# lfs_mount(&lfs, cfg) => LFS_ERR_CORRUPT;
#'''
#
#[cases.test_evil_mdir_loop_child] # metadata-pair threaded-list 1-length child loop test
#in = "lfs.c"
#code = '''
# // create littlefs with child dir
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "child") => 0;
# lfs_unmount(&lfs) => 0;
#
# // find child
# lfs_init(&lfs, cfg) => 0;
# lfs_mdir_t mdir;
# lfs_block_t pair[2];
# lfs_dir_fetch(&lfs, &mdir, (lfs_block_t[2]){0, 1}) => 0;
# lfs_dir_get(&lfs, &mdir,
# LFS_MKTAG(0x7ff, 0x3ff, 0),
# LFS_MKTAG(LFS_TYPE_DIRSTRUCT, 1, sizeof(pair)), pair)
# => LFS_MKTAG(LFS_TYPE_DIRSTRUCT, 1, sizeof(pair));
# lfs_pair_fromle32(pair);
# // change tail-pointer to point to ourself
# lfs_dir_fetch(&lfs, &mdir, pair) => 0;
# lfs_dir_commit(&lfs, &mdir, LFS_MKATTRS(
# {LFS_MKTAG(LFS_TYPE_HARDTAIL, 0x3ff, 8), pair})) => 0;
# lfs_deinit(&lfs) => 0;
#
# // test that mount fails gracefully
# lfs_mount(&lfs, cfg) => LFS_ERR_CORRUPT;
#'''
-508
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@@ -1804,511 +1804,3 @@ code = '''
assert(run_ops[1]*110/100 > 2*run_ops[0]);
'''
## test running a filesystem to exhaustion
#[cases.test_exhaustion_normal]
#defines.ERASE_CYCLES = 10
#defines.BLOCK_COUNT = 256 # small bd so test runs faster
#defines.BLOCK_CYCLES = 'ERASE_CYCLES / 2'
#defines.BADBLOCK_BEHAVIOR = [
# 'LFS_EMUBD_BADBLOCK_PROGERROR',
# 'LFS_EMUBD_BADBLOCK_ERASEERROR',
# 'LFS_EMUBD_BADBLOCK_READERROR',
# 'LFS_EMUBD_BADBLOCK_PROGNOOP',
# 'LFS_EMUBD_BADBLOCK_ERASENOOP',
#]
#defines.FILES = 10
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "roadrunner") => 0;
# lfs_unmount(&lfs) => 0;
#
# uint32_t cycle = 0;
# while (true) {
# lfs_mount(&lfs, cfg) => 0;
# for (uint32_t i = 0; i < FILES; i++) {
# // chose name, roughly random seed, and random 2^n size
# char path[1024];
# sprintf(path, "roadrunner/test%d", i);
# uint32_t prng = cycle * i;
# lfs_size_t size = 1 << ((TEST_PRNG(&prng) % 10)+2);
#
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
#
# for (lfs_size_t j = 0; j < size; j++) {
# char c = 'a' + (TEST_PRNG(&prng) % 26);
# lfs_ssize_t res = lfs_file_write(&lfs, &file, &c, 1);
# assert(res == 1 || res == LFS_ERR_NOSPC);
# if (res == LFS_ERR_NOSPC) {
# int err = lfs_file_close(&lfs, &file);
# assert(err == 0 || err == LFS_ERR_NOSPC);
# lfs_unmount(&lfs) => 0;
# goto exhausted;
# }
# }
#
# int err = lfs_file_close(&lfs, &file);
# assert(err == 0 || err == LFS_ERR_NOSPC);
# if (err == LFS_ERR_NOSPC) {
# lfs_unmount(&lfs) => 0;
# goto exhausted;
# }
# }
#
# for (uint32_t i = 0; i < FILES; i++) {
# // check for errors
# char path[1024];
# sprintf(path, "roadrunner/test%d", i);
# uint32_t prng = cycle * i;
# lfs_size_t size = 1 << ((TEST_PRNG(&prng) % 10)+2);
#
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# for (lfs_size_t j = 0; j < size; j++) {
# char c = 'a' + (TEST_PRNG(&prng) % 26);
# char r;
# lfs_file_read(&lfs, &file, &r, 1) => 1;
# assert(r == c);
# }
#
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# cycle += 1;
# }
#
#exhausted:
# // should still be readable
# lfs_mount(&lfs, cfg) => 0;
# for (uint32_t i = 0; i < FILES; i++) {
# // check for errors
# char path[1024];
# sprintf(path, "roadrunner/test%d", i);
# struct lfs_info info;
# lfs_stat(&lfs, path, &info) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# LFS_WARN("completed %d cycles", cycle);
#'''
#
## test running a filesystem to exhaustion
## which also requires expanding superblocks
#[cases.test_exhaustion_superblocks]
#defines.ERASE_CYCLES = 10
#defines.BLOCK_COUNT = 256 # small bd so test runs faster
#defines.BLOCK_CYCLES = 'ERASE_CYCLES / 2'
#defines.BADBLOCK_BEHAVIOR = [
# 'LFS_EMUBD_BADBLOCK_PROGERROR',
# 'LFS_EMUBD_BADBLOCK_ERASEERROR',
# 'LFS_EMUBD_BADBLOCK_READERROR',
# 'LFS_EMUBD_BADBLOCK_PROGNOOP',
# 'LFS_EMUBD_BADBLOCK_ERASENOOP',
#]
#defines.FILES = 10
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# uint32_t cycle = 0;
# while (true) {
# lfs_mount(&lfs, cfg) => 0;
# for (uint32_t i = 0; i < FILES; i++) {
# // chose name, roughly random seed, and random 2^n size
# char path[1024];
# sprintf(path, "test%d", i);
# uint32_t prng = cycle * i;
# lfs_size_t size = 1 << ((TEST_PRNG(&prng) % 10)+2);
#
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
#
# for (lfs_size_t j = 0; j < size; j++) {
# char c = 'a' + (TEST_PRNG(&prng) % 26);
# lfs_ssize_t res = lfs_file_write(&lfs, &file, &c, 1);
# assert(res == 1 || res == LFS_ERR_NOSPC);
# if (res == LFS_ERR_NOSPC) {
# int err = lfs_file_close(&lfs, &file);
# assert(err == 0 || err == LFS_ERR_NOSPC);
# lfs_unmount(&lfs) => 0;
# goto exhausted;
# }
# }
#
# int err = lfs_file_close(&lfs, &file);
# assert(err == 0 || err == LFS_ERR_NOSPC);
# if (err == LFS_ERR_NOSPC) {
# lfs_unmount(&lfs) => 0;
# goto exhausted;
# }
# }
#
# for (uint32_t i = 0; i < FILES; i++) {
# // check for errors
# char path[1024];
# sprintf(path, "test%d", i);
# uint32_t prng = cycle * i;
# lfs_size_t size = 1 << ((TEST_PRNG(&prng) % 10)+2);
#
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# for (lfs_size_t j = 0; j < size; j++) {
# char c = 'a' + (TEST_PRNG(&prng) % 26);
# char r;
# lfs_file_read(&lfs, &file, &r, 1) => 1;
# assert(r == c);
# }
#
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# cycle += 1;
# }
#
#exhausted:
# // should still be readable
# lfs_mount(&lfs, cfg) => 0;
# for (uint32_t i = 0; i < FILES; i++) {
# // check for errors
# char path[1024];
# struct lfs_info info;
# sprintf(path, "test%d", i);
# lfs_stat(&lfs, path, &info) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# LFS_WARN("completed %d cycles", cycle);
#'''
#
## These are a sort of high-level litmus test for wear-leveling. One definition
## of wear-leveling is that increasing a block device's space translates directly
## into increasing the block devices lifetime. This is something we can actually
## check for.
#
## wear-level test running a filesystem to exhaustion
#[cases.test_exhuastion_wear_leveling]
#defines.ERASE_CYCLES = 20
#defines.BLOCK_COUNT = 256 # small bd so test runs faster
#defines.BLOCK_CYCLES = 'ERASE_CYCLES / 2'
#defines.FILES = 10
#code = '''
# uint32_t run_cycles[2];
# const uint32_t run_block_count[2] = {BLOCK_COUNT/2, BLOCK_COUNT};
#
# for (int run = 0; run < 2; run++) {
# for (lfs_block_t b = 0; b < BLOCK_COUNT; b++) {
# lfs_emubd_setwear(cfg, b,
# (b < run_block_count[run]) ? 0 : ERASE_CYCLES) => 0;
# }
#
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "roadrunner") => 0;
# lfs_unmount(&lfs) => 0;
#
# uint32_t cycle = 0;
# while (true) {
# lfs_mount(&lfs, cfg) => 0;
# for (uint32_t i = 0; i < FILES; i++) {
# // chose name, roughly random seed, and random 2^n size
# char path[1024];
# sprintf(path, "roadrunner/test%d", i);
# uint32_t prng = cycle * i;
# lfs_size_t size = 1 << ((TEST_PRNG(&prng) % 10)+2);
#
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
#
# for (lfs_size_t j = 0; j < size; j++) {
# char c = 'a' + (TEST_PRNG(&prng) % 26);
# lfs_ssize_t res = lfs_file_write(&lfs, &file, &c, 1);
# assert(res == 1 || res == LFS_ERR_NOSPC);
# if (res == LFS_ERR_NOSPC) {
# int err = lfs_file_close(&lfs, &file);
# assert(err == 0 || err == LFS_ERR_NOSPC);
# lfs_unmount(&lfs) => 0;
# goto exhausted;
# }
# }
#
# int err = lfs_file_close(&lfs, &file);
# assert(err == 0 || err == LFS_ERR_NOSPC);
# if (err == LFS_ERR_NOSPC) {
# lfs_unmount(&lfs) => 0;
# goto exhausted;
# }
# }
#
# for (uint32_t i = 0; i < FILES; i++) {
# // check for errors
# char path[1024];
# sprintf(path, "roadrunner/test%d", i);
# uint32_t prng = cycle * i;
# lfs_size_t size = 1 << ((TEST_PRNG(&prng) % 10)+2);
#
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# for (lfs_size_t j = 0; j < size; j++) {
# char c = 'a' + (TEST_PRNG(&prng) % 26);
# char r;
# lfs_file_read(&lfs, &file, &r, 1) => 1;
# assert(r == c);
# }
#
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# cycle += 1;
# }
#
#exhausted:
# // should still be readable
# lfs_mount(&lfs, cfg) => 0;
# for (uint32_t i = 0; i < FILES; i++) {
# // check for errors
# char path[1024];
# struct lfs_info info;
# sprintf(path, "roadrunner/test%d", i);
# lfs_stat(&lfs, path, &info) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# run_cycles[run] = cycle;
# LFS_WARN("completed %d blocks %d cycles",
# run_block_count[run], run_cycles[run]);
# }
#
# // check we increased the lifetime by 2x with ~10% error
# LFS_ASSERT(run_cycles[1]*110/100 > 2*run_cycles[0]);
#'''
#
## wear-level test + expanding superblock
#[cases.test_exhaustion_wear_leveling_superblocks]
#defines.ERASE_CYCLES = 20
#defines.BLOCK_COUNT = 256 # small bd so test runs faster
#defines.BLOCK_CYCLES = 'ERASE_CYCLES / 2'
#defines.FILES = 10
#code = '''
# uint32_t run_cycles[2];
# const uint32_t run_block_count[2] = {BLOCK_COUNT/2, BLOCK_COUNT};
#
# for (int run = 0; run < 2; run++) {
# for (lfs_block_t b = 0; b < BLOCK_COUNT; b++) {
# lfs_emubd_setwear(cfg, b,
# (b < run_block_count[run]) ? 0 : ERASE_CYCLES) => 0;
# }
#
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# uint32_t cycle = 0;
# while (true) {
# lfs_mount(&lfs, cfg) => 0;
# for (uint32_t i = 0; i < FILES; i++) {
# // chose name, roughly random seed, and random 2^n size
# char path[1024];
# sprintf(path, "test%d", i);
# uint32_t prng = cycle * i;
# lfs_size_t size = 1 << ((TEST_PRNG(&prng) % 10)+2);
#
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
#
# for (lfs_size_t j = 0; j < size; j++) {
# char c = 'a' + (TEST_PRNG(&prng) % 26);
# lfs_ssize_t res = lfs_file_write(&lfs, &file, &c, 1);
# assert(res == 1 || res == LFS_ERR_NOSPC);
# if (res == LFS_ERR_NOSPC) {
# int err = lfs_file_close(&lfs, &file);
# assert(err == 0 || err == LFS_ERR_NOSPC);
# lfs_unmount(&lfs) => 0;
# goto exhausted;
# }
# }
#
# int err = lfs_file_close(&lfs, &file);
# assert(err == 0 || err == LFS_ERR_NOSPC);
# if (err == LFS_ERR_NOSPC) {
# lfs_unmount(&lfs) => 0;
# goto exhausted;
# }
# }
#
# for (uint32_t i = 0; i < FILES; i++) {
# // check for errors
# char path[1024];
# sprintf(path, "test%d", i);
# uint32_t prng = cycle * i;
# lfs_size_t size = 1 << ((TEST_PRNG(&prng) % 10)+2);
#
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# for (lfs_size_t j = 0; j < size; j++) {
# char c = 'a' + (TEST_PRNG(&prng) % 26);
# char r;
# lfs_file_read(&lfs, &file, &r, 1) => 1;
# assert(r == c);
# }
#
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# cycle += 1;
# }
#
#exhausted:
# // should still be readable
# lfs_mount(&lfs, cfg) => 0;
# for (uint32_t i = 0; i < FILES; i++) {
# // check for errors
# char path[1024];
# struct lfs_info info;
# sprintf(path, "test%d", i);
# lfs_stat(&lfs, path, &info) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# run_cycles[run] = cycle;
# LFS_WARN("completed %d blocks %d cycles",
# run_block_count[run], run_cycles[run]);
# }
#
# // check we increased the lifetime by 2x with ~10% error
# LFS_ASSERT(run_cycles[1]*110/100 > 2*run_cycles[0]);
#'''
#
## test that we wear blocks roughly evenly
#[cases.test_exhaustion_wear_distribution]
#defines.ERASE_CYCLES = 0xffffffff
#defines.BLOCK_COUNT = 256 # small bd so test runs faster
#defines.BLOCK_CYCLES = [5, 4, 3, 2, 1]
#defines.CYCLES = 100
#defines.FILES = 10
#if = 'BLOCK_CYCLES < CYCLES/10'
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "roadrunner") => 0;
# lfs_unmount(&lfs) => 0;
#
# uint32_t cycle = 0;
# while (cycle < CYCLES) {
# lfs_mount(&lfs, cfg) => 0;
# for (uint32_t i = 0; i < FILES; i++) {
# // chose name, roughly random seed, and random 2^n size
# char path[1024];
# sprintf(path, "roadrunner/test%d", i);
# uint32_t prng = cycle * i;
# lfs_size_t size = 1 << 4; //((TEST_PRNG(&prng) % 10)+2);
#
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
#
# for (lfs_size_t j = 0; j < size; j++) {
# char c = 'a' + (TEST_PRNG(&prng) % 26);
# lfs_ssize_t res = lfs_file_write(&lfs, &file, &c, 1);
# assert(res == 1 || res == LFS_ERR_NOSPC);
# if (res == LFS_ERR_NOSPC) {
# int err = lfs_file_close(&lfs, &file);
# assert(err == 0 || err == LFS_ERR_NOSPC);
# lfs_unmount(&lfs) => 0;
# goto exhausted;
# }
# }
#
# int err = lfs_file_close(&lfs, &file);
# assert(err == 0 || err == LFS_ERR_NOSPC);
# if (err == LFS_ERR_NOSPC) {
# lfs_unmount(&lfs) => 0;
# goto exhausted;
# }
# }
#
# for (uint32_t i = 0; i < FILES; i++) {
# // check for errors
# char path[1024];
# sprintf(path, "roadrunner/test%d", i);
# uint32_t prng = cycle * i;
# lfs_size_t size = 1 << 4; //((TEST_PRNG(&prng) % 10)+2);
#
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# for (lfs_size_t j = 0; j < size; j++) {
# char c = 'a' + (TEST_PRNG(&prng) % 26);
# char r;
# lfs_file_read(&lfs, &file, &r, 1) => 1;
# assert(r == c);
# }
#
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# cycle += 1;
# }
#
#exhausted:
# // should still be readable
# lfs_mount(&lfs, cfg) => 0;
# for (uint32_t i = 0; i < FILES; i++) {
# // check for errors
# char path[1024];
# struct lfs_info info;
# sprintf(path, "roadrunner/test%d", i);
# lfs_stat(&lfs, path, &info) => 0;
# }
# lfs_unmount(&lfs) => 0;
#
# LFS_WARN("completed %d cycles", cycle);
#
# // check the wear on our block device
# lfs_emubd_wear_t minwear = -1;
# lfs_emubd_wear_t totalwear = 0;
# lfs_emubd_wear_t maxwear = 0;
# // skip 0 and 1 as superblock movement is intentionally avoided
# for (lfs_block_t b = 2; b < BLOCK_COUNT; b++) {
# lfs_emubd_wear_t wear = lfs_emubd_wear(cfg, b);
# printf("%08x: wear %d\n", b, wear);
# assert(wear >= 0);
# if (wear < minwear) {
# minwear = wear;
# }
# if (wear > maxwear) {
# maxwear = wear;
# }
# totalwear += wear;
# }
# lfs_emubd_wear_t avgwear = totalwear / BLOCK_COUNT;
# LFS_WARN("max wear: %d cycles", maxwear);
# LFS_WARN("avg wear: %d cycles", totalwear / (int)BLOCK_COUNT);
# LFS_WARN("min wear: %d cycles", minwear);
#
# // find standard deviation^2
# lfs_emubd_wear_t dev2 = 0;
# for (lfs_block_t b = 2; b < BLOCK_COUNT; b++) {
# lfs_emubd_wear_t wear = lfs_emubd_wear(cfg, b);
# assert(wear >= 0);
# lfs_emubd_swear_t diff = wear - avgwear;
# dev2 += diff*diff;
# }
# dev2 /= totalwear;
# LFS_WARN("std dev^2: %d", dev2);
# assert(dev2 < 8);
#'''
#
-14
View File
@@ -3310,17 +3310,3 @@ code = '''
lfsr_unmount(&lfs) => 0;
'''
# TODO
# [cases.test_files_multi_readers]
# [cases.test_files_multi_readers_one_writer]
# [cases.test_files_multi_writers]
# [cases.test_files_multi_readers_multi_writers]
# [cases.test_files_interleaved]
# [cases.test_files_interleaved_fuzz]
# [cases.test_files_interleaved_fuzz_fuzz]
# [cases.test_files_dtree_fuzz]
# [cases.test_files_dtree_fuzz_fuzz]
-270
View File
@@ -1,270 +0,0 @@
#
#[cases.test_interspersed_files]
#defines.SIZE = [10, 100]
#defines.FILES = [4, 10, 26]
#code = '''
# lfs_t lfs;
# lfs_file_t files[FILES];
# const char alphas[] = "abcdefghijklmnopqrstuvwxyz";
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# for (int j = 0; j < FILES; j++) {
# char path[1024];
# sprintf(path, "%c", alphas[j]);
# lfs_file_open(&lfs, &files[j], path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
# }
#
# for (int i = 0; i < SIZE; i++) {
# for (int j = 0; j < FILES; j++) {
# lfs_file_write(&lfs, &files[j], &alphas[j], 1) => 1;
# }
# }
#
# for (int j = 0; j < FILES; j++) {
# lfs_file_close(&lfs, &files[j]);
# }
#
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, ".") == 0);
# assert(info.type == LFS_TYPE_DIR);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "..") == 0);
# assert(info.type == LFS_TYPE_DIR);
# for (int j = 0; j < FILES; j++) {
# char path[1024];
# sprintf(path, "%c", alphas[j]);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, path) == 0);
# assert(info.type == LFS_TYPE_REG);
# assert(info.size == SIZE);
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
#
# for (int j = 0; j < FILES; j++) {
# char path[1024];
# sprintf(path, "%c", alphas[j]);
# lfs_file_open(&lfs, &files[j], path, LFS_O_RDONLY) => 0;
# }
#
# for (int i = 0; i < 10; i++) {
# for (int j = 0; j < FILES; j++) {
# uint8_t buffer[1024];
# lfs_file_read(&lfs, &files[j], buffer, 1) => 1;
# assert(buffer[0] == alphas[j]);
# }
# }
#
# for (int j = 0; j < FILES; j++) {
# lfs_file_close(&lfs, &files[j]);
# }
#
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_interspersed_remove_files]
#defines.SIZE = [10, 100]
#defines.FILES = [4, 10, 26]
#code = '''
# lfs_t lfs;
# const char alphas[] = "abcdefghijklmnopqrstuvwxyz";
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# for (int j = 0; j < FILES; j++) {
# char path[1024];
# sprintf(path, "%c", alphas[j]);
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
# for (int i = 0; i < SIZE; i++) {
# lfs_file_write(&lfs, &file, &alphas[j], 1) => 1;
# }
# lfs_file_close(&lfs, &file);
# }
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "zzz", LFS_O_WRONLY | LFS_O_CREAT) => 0;
# for (int j = 0; j < FILES; j++) {
# lfs_file_write(&lfs, &file, (const void*)"~", 1) => 1;
# lfs_file_sync(&lfs, &file) => 0;
#
# char path[1024];
# sprintf(path, "%c", alphas[j]);
# lfs_remove(&lfs, path) => 0;
# }
# lfs_file_close(&lfs, &file);
#
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, ".") == 0);
# assert(info.type == LFS_TYPE_DIR);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "..") == 0);
# assert(info.type == LFS_TYPE_DIR);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "zzz") == 0);
# assert(info.type == LFS_TYPE_REG);
# assert(info.size == FILES);
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
#
# lfs_file_open(&lfs, &file, "zzz", LFS_O_RDONLY) => 0;
# for (int i = 0; i < FILES; i++) {
# uint8_t buffer[1024];
# lfs_file_read(&lfs, &file, buffer, 1) => 1;
# assert(buffer[0] == '~');
# }
# lfs_file_close(&lfs, &file);
#
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_interspersed_remove_inconveniently]
#defines.SIZE = [10, 100]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t files[3];
# lfs_file_open(&lfs, &files[0], "e", LFS_O_WRONLY | LFS_O_CREAT) => 0;
# lfs_file_open(&lfs, &files[1], "f", LFS_O_WRONLY | LFS_O_CREAT) => 0;
# lfs_file_open(&lfs, &files[2], "g", LFS_O_WRONLY | LFS_O_CREAT) => 0;
#
# for (int i = 0; i < SIZE/2; i++) {
# lfs_file_write(&lfs, &files[0], (const void*)"e", 1) => 1;
# lfs_file_write(&lfs, &files[1], (const void*)"f", 1) => 1;
# lfs_file_write(&lfs, &files[2], (const void*)"g", 1) => 1;
# }
#
# lfs_remove(&lfs, "f") => 0;
#
# for (int i = 0; i < SIZE/2; i++) {
# lfs_file_write(&lfs, &files[0], (const void*)"e", 1) => 1;
# lfs_file_write(&lfs, &files[1], (const void*)"f", 1) => 1;
# lfs_file_write(&lfs, &files[2], (const void*)"g", 1) => 1;
# }
#
# lfs_file_close(&lfs, &files[0]);
# lfs_file_close(&lfs, &files[1]);
# lfs_file_close(&lfs, &files[2]);
#
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, ".") == 0);
# assert(info.type == LFS_TYPE_DIR);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "..") == 0);
# assert(info.type == LFS_TYPE_DIR);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "e") == 0);
# assert(info.type == LFS_TYPE_REG);
# assert(info.size == SIZE);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "g") == 0);
# assert(info.type == LFS_TYPE_REG);
# assert(info.size == SIZE);
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
#
# lfs_file_open(&lfs, &files[0], "e", LFS_O_RDONLY) => 0;
# lfs_file_open(&lfs, &files[1], "g", LFS_O_RDONLY) => 0;
# for (int i = 0; i < SIZE; i++) {
# uint8_t buffer[1024];
# lfs_file_read(&lfs, &files[0], buffer, 1) => 1;
# assert(buffer[0] == 'e');
# lfs_file_read(&lfs, &files[1], buffer, 1) => 1;
# assert(buffer[0] == 'g');
# }
# lfs_file_close(&lfs, &files[0]);
# lfs_file_close(&lfs, &files[1]);
#
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_interspersed_reentrant_files]
#defines.SIZE = [10, 100]
#defines.FILES = [4, 10, 26]
#reentrant = true
#code = '''
# lfs_t lfs;
# lfs_file_t files[FILES];
# const char alphas[] = "abcdefghijklmnopqrstuvwxyz";
#
# int err = lfs_mount(&lfs, cfg);
# if (err) {
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# }
#
# for (int j = 0; j < FILES; j++) {
# char path[1024];
# sprintf(path, "%c", alphas[j]);
# lfs_file_open(&lfs, &files[j], path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
# }
#
# for (int i = 0; i < SIZE; i++) {
# for (int j = 0; j < FILES; j++) {
# lfs_ssize_t size = lfs_file_size(&lfs, &files[j]);
# assert(size >= 0);
# if ((int)size <= i) {
# lfs_file_write(&lfs, &files[j], &alphas[j], 1) => 1;
# lfs_file_sync(&lfs, &files[j]) => 0;
# }
# }
# }
#
# for (int j = 0; j < FILES; j++) {
# lfs_file_close(&lfs, &files[j]);
# }
#
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "/") => 0;
# struct lfs_info info;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, ".") == 0);
# assert(info.type == LFS_TYPE_DIR);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, "..") == 0);
# assert(info.type == LFS_TYPE_DIR);
# for (int j = 0; j < FILES; j++) {
# char path[1024];
# sprintf(path, "%c", alphas[j]);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# assert(strcmp(info.name, path) == 0);
# assert(info.type == LFS_TYPE_REG);
# assert(info.size == SIZE);
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
#
# for (int j = 0; j < FILES; j++) {
# char path[1024];
# sprintf(path, "%c", alphas[j]);
# lfs_file_open(&lfs, &files[j], path, LFS_O_RDONLY) => 0;
# }
#
# for (int i = 0; i < 10; i++) {
# for (int j = 0; j < FILES; j++) {
# uint8_t buffer[1024];
# lfs_file_read(&lfs, &files[j], buffer, 1) => 1;
# assert(buffer[0] == alphas[j]);
# }
# }
#
# for (int j = 0; j < FILES; j++) {
# lfs_file_close(&lfs, &files[j]);
# }
#
# lfs_unmount(&lfs) => 0;
#'''
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-129
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@@ -1,129 +0,0 @@
#[cases.test_orphans_normal]
#in = "lfs.c"
#if = 'PROG_SIZE <= 0x3fe' # only works with one crc per commit
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "parent") => 0;
# lfs_mkdir(&lfs, "parent/orphan") => 0;
# lfs_mkdir(&lfs, "parent/child") => 0;
# lfs_remove(&lfs, "parent/orphan") => 0;
# lfs_unmount(&lfs) => 0;
#
# // corrupt the child's most recent commit, this should be the update
# // to the linked-list entry, which should orphan the orphan. Note this
# // makes a lot of assumptions about the remove operation.
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "parent/child") => 0;
# lfs_block_t block = dir.m.pair[0];
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs) => 0;
# uint8_t buffer[BLOCK_SIZE];
# cfg->read(cfg, block, 0, buffer, BLOCK_SIZE) => 0;
# int off = BLOCK_SIZE-1;
# while (off >= 0 && buffer[off] == ERASE_VALUE) {
# off -= 1;
# }
# memset(&buffer[off-3], BLOCK_SIZE, 3);
# cfg->erase(cfg, block) => 0;
# cfg->prog(cfg, block, 0, buffer, BLOCK_SIZE) => 0;
# cfg->sync(cfg) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# struct lfs_info info;
# lfs_stat(&lfs, "parent/orphan", &info) => LFS_ERR_NOENT;
# lfs_stat(&lfs, "parent/child", &info) => 0;
# lfs_fs_size(&lfs) => 8;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_stat(&lfs, "parent/orphan", &info) => LFS_ERR_NOENT;
# lfs_stat(&lfs, "parent/child", &info) => 0;
# lfs_fs_size(&lfs) => 8;
# // this mkdir should both create a dir and deorphan, so size
# // should be unchanged
# lfs_mkdir(&lfs, "parent/otherchild") => 0;
# lfs_stat(&lfs, "parent/orphan", &info) => LFS_ERR_NOENT;
# lfs_stat(&lfs, "parent/child", &info) => 0;
# lfs_stat(&lfs, "parent/otherchild", &info) => 0;
# lfs_fs_size(&lfs) => 8;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_stat(&lfs, "parent/orphan", &info) => LFS_ERR_NOENT;
# lfs_stat(&lfs, "parent/child", &info) => 0;
# lfs_stat(&lfs, "parent/otherchild", &info) => 0;
# lfs_fs_size(&lfs) => 8;
# lfs_unmount(&lfs) => 0;
#'''
#
## reentrant testing for orphans, basically just spam mkdir/remove
#[cases.test_orphans_reentrant]
#reentrant = true
## TODO fix this case, caused by non-DAG trees
#if = '!(DEPTH == 3 && CACHE_SIZE != 64)'
#defines = [
# {FILES=6, DEPTH=1, CYCLES=20},
# {FILES=26, DEPTH=1, CYCLES=20},
# {FILES=3, DEPTH=3, CYCLES=20},
#]
#code = '''
# lfs_t lfs;
# int err = lfs_mount(&lfs, cfg);
# if (err) {
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# }
#
# uint32_t prng = 1;
# const char alpha[] = "abcdefghijklmnopqrstuvwxyz";
# for (unsigned i = 0; i < CYCLES; i++) {
# // create random path
# char full_path[256];
# for (unsigned d = 0; d < DEPTH; d++) {
# sprintf(&full_path[2*d], "/%c", alpha[TEST_PRNG(&prng) % FILES]);
# }
#
# // if it does not exist, we create it, else we destroy
# struct lfs_info info;
# int res = lfs_stat(&lfs, full_path, &info);
# if (res == LFS_ERR_NOENT) {
# // create each directory in turn, ignore if dir already exists
# for (unsigned d = 0; d < DEPTH; d++) {
# char path[1024];
# strcpy(path, full_path);
# path[2*d+2] = '\0';
# err = lfs_mkdir(&lfs, path);
# assert(!err || err == LFS_ERR_EXIST);
# }
#
# for (unsigned d = 0; d < DEPTH; d++) {
# char path[1024];
# strcpy(path, full_path);
# path[2*d+2] = '\0';
# lfs_stat(&lfs, path, &info) => 0;
# assert(strcmp(info.name, &path[2*d+1]) == 0);
# assert(info.type == LFS_TYPE_DIR);
# }
# } else {
# // is valid dir?
# assert(strcmp(info.name, &full_path[2*(DEPTH-1)+1]) == 0);
# assert(info.type == LFS_TYPE_DIR);
#
# // try to delete path in reverse order, ignore if dir is not empty
# for (int d = DEPTH-1; d >= 0; d--) {
# char path[1024];
# strcpy(path, full_path);
# path[2*d+2] = '\0';
# err = lfs_remove(&lfs, path);
# assert(!err || err == LFS_ERR_NOTEMPTY);
# }
#
# lfs_stat(&lfs, full_path, &info) => LFS_ERR_NOENT;
# }
# }
# lfs_unmount(&lfs) => 0;
#'''
#
-187
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@@ -816,190 +816,3 @@ code = '''
lfsr_unmount(&lfs) => 0;
'''
## There are already a number of tests that test general operations under
## power-loss (see the reentrant attribute). These tests are for explicitly
## testing specific corner cases.
#
## only a revision count
#[cases.test_powerloss_only_rev]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "notebook") => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "notebook/paper",
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
# char buffer[256];
# strcpy(buffer, "hello");
# lfs_size_t size = strlen("hello");
# for (int i = 0; i < 5; i++) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# lfs_file_sync(&lfs, &file) => 0;
# }
# lfs_file_close(&lfs, &file) => 0;
#
# char rbuffer[256];
# lfs_file_open(&lfs, &file, "notebook/paper", LFS_O_RDONLY) => 0;
# for (int i = 0; i < 5; i++) {
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# assert(memcmp(rbuffer, buffer, size) == 0);
# }
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# // get pair/rev count
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "notebook") => 0;
# lfs_block_t pair[2] = {dir.m.pair[0], dir.m.pair[1]};
# uint32_t rev = dir.m.rev;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs) => 0;
#
# // write just the revision count
# uint8_t bbuffer[BLOCK_SIZE];
# cfg->read(cfg, pair[1], 0, bbuffer, BLOCK_SIZE) => 0;
#
# memcpy(bbuffer, &(uint32_t){lfs_tole32(rev+1)}, sizeof(uint32_t));
#
# cfg->erase(cfg, pair[1]) => 0;
# cfg->prog(cfg, pair[1], 0, bbuffer, BLOCK_SIZE) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
#
# // can read?
# lfs_file_open(&lfs, &file, "notebook/paper", LFS_O_RDONLY) => 0;
# for (int i = 0; i < 5; i++) {
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# assert(memcmp(rbuffer, buffer, size) == 0);
# }
# lfs_file_close(&lfs, &file) => 0;
#
# // can write?
# lfs_file_open(&lfs, &file, "notebook/paper",
# LFS_O_WRONLY | LFS_O_APPEND) => 0;
# strcpy(buffer, "goodbye");
# size = strlen("goodbye");
# for (int i = 0; i < 5; i++) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# lfs_file_sync(&lfs, &file) => 0;
# }
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_file_open(&lfs, &file, "notebook/paper", LFS_O_RDONLY) => 0;
# strcpy(buffer, "hello");
# size = strlen("hello");
# for (int i = 0; i < 5; i++) {
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# assert(memcmp(rbuffer, buffer, size) == 0);
# }
# strcpy(buffer, "goodbye");
# size = strlen("goodbye");
# for (int i = 0; i < 5; i++) {
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# assert(memcmp(rbuffer, buffer, size) == 0);
# }
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_unmount(&lfs) => 0;
#'''
#
## partial prog, may not be byte in order!
#[cases.test_powerloss_partial_prog]
#if = "PROG_SIZE < BLOCK_SIZE"
#defines.BYTE_OFF = ["0", "PROG_SIZE-1", "PROG_SIZE/2"]
#defines.BYTE_VALUE = [0x33, 0xcc]
#in = "lfs.c"
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_mkdir(&lfs, "notebook") => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "notebook/paper",
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
# char buffer[256];
# strcpy(buffer, "hello");
# lfs_size_t size = strlen("hello");
# for (int i = 0; i < 5; i++) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# lfs_file_sync(&lfs, &file) => 0;
# }
# lfs_file_close(&lfs, &file) => 0;
#
# char rbuffer[256];
# lfs_file_open(&lfs, &file, "notebook/paper", LFS_O_RDONLY) => 0;
# for (int i = 0; i < 5; i++) {
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# assert(memcmp(rbuffer, buffer, size) == 0);
# }
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# // imitate a partial prog, value should not matter, if littlefs
# // doesn't notice the partial prog testbd will assert
#
# // get offset to next prog
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_t dir;
# lfs_dir_open(&lfs, &dir, "notebook") => 0;
# lfs_block_t block = dir.m.pair[0];
# lfs_off_t off = dir.m.off;
# lfs_dir_close(&lfs, &dir) => 0;
# lfs_unmount(&lfs) => 0;
#
# // tweak byte
# uint8_t bbuffer[BLOCK_SIZE];
# cfg->read(cfg, block, 0, bbuffer, BLOCK_SIZE) => 0;
#
# bbuffer[off + BYTE_OFF] = BYTE_VALUE;
#
# cfg->erase(cfg, block) => 0;
# cfg->prog(cfg, block, 0, bbuffer, BLOCK_SIZE) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
#
# // can read?
# lfs_file_open(&lfs, &file, "notebook/paper", LFS_O_RDONLY) => 0;
# for (int i = 0; i < 5; i++) {
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# assert(memcmp(rbuffer, buffer, size) == 0);
# }
# lfs_file_close(&lfs, &file) => 0;
#
# // can write?
# lfs_file_open(&lfs, &file, "notebook/paper",
# LFS_O_WRONLY | LFS_O_APPEND) => 0;
# strcpy(buffer, "goodbye");
# size = strlen("goodbye");
# for (int i = 0; i < 5; i++) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# lfs_file_sync(&lfs, &file) => 0;
# }
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_file_open(&lfs, &file, "notebook/paper", LFS_O_RDONLY) => 0;
# strcpy(buffer, "hello");
# size = strlen("hello");
# for (int i = 0; i < 5; i++) {
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# assert(memcmp(rbuffer, buffer, size) == 0);
# }
# strcpy(buffer, "goodbye");
# size = strlen("goodbye");
# for (int i = 0; i < 5; i++) {
# lfs_file_read(&lfs, &file, rbuffer, size) => size;
# assert(memcmp(rbuffer, buffer, size) == 0);
# }
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_unmount(&lfs) => 0;
#'''
-5
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@@ -122,11 +122,6 @@ code = '''
lfsr_rbyd_fetch(&lfs, &rbyd, rbyd.blocks[0], 0) => 0;
'''
# [cases.test_rbyd_atomic_fetchmatch]
# [cases.test_rbyd_fetchmatch]
# TODO we really need to test dense keys...
[cases.test_rbyd_atomic_lookup]
in = 'lfs.c'
code = '''
-345
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@@ -2051,348 +2051,3 @@ code = '''
lfsr_unmount(&lfs) => 0;
'''
## specific corner cases worth explicitly testing for
#[cases.test_relocations_dangling_split_dir]
#defines.ITERATIONS = 20
#defines.COUNT = 10
#defines.BLOCK_CYCLES = [8, 1]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# // fill up filesystem so only ~16 blocks are left
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "padding", LFS_O_CREAT | LFS_O_WRONLY) => 0;
# uint8_t buffer[512];
# memset(buffer, 0, 512);
# while (BLOCK_COUNT - lfs_fs_size(&lfs) > 16) {
# lfs_file_write(&lfs, &file, buffer, 512) => 512;
# }
# lfs_file_close(&lfs, &file) => 0;
# // make a child dir to use in bounded space
# lfs_mkdir(&lfs, "child") => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (unsigned j = 0; j < ITERATIONS; j++) {
# for (unsigned i = 0; i < COUNT; i++) {
# char path[1024];
# sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
# lfs_file_open(&lfs, &file, path, LFS_O_CREAT | LFS_O_WRONLY) => 0;
# lfs_file_close(&lfs, &file) => 0;
# }
#
# lfs_dir_t dir;
# struct lfs_info info;
# lfs_dir_open(&lfs, &dir, "child") => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# for (unsigned i = 0; i < COUNT; i++) {
# char path[1024];
# sprintf(path, "test%03d_loooooooooooooooooong_name", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# strcmp(info.name, path) => 0;
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
#
# if (j == (unsigned)ITERATIONS-1) {
# break;
# }
#
# for (unsigned i = 0; i < COUNT; i++) {
# char path[1024];
# sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
# lfs_remove(&lfs, path) => 0;
# }
# }
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_dir_t dir;
# struct lfs_info info;
# lfs_dir_open(&lfs, &dir, "child") => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# for (unsigned i = 0; i < COUNT; i++) {
# char path[1024];
# sprintf(path, "test%03d_loooooooooooooooooong_name", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# strcmp(info.name, path) => 0;
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
# for (unsigned i = 0; i < COUNT; i++) {
# char path[1024];
# sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
# lfs_remove(&lfs, path) => 0;
# }
# lfs_unmount(&lfs) => 0;
#'''
#
#[cases.test_relocations_outdated_head]
#defines.ITERATIONS = 20
#defines.COUNT = 10
#defines.BLOCK_CYCLES = [8, 1]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# // fill up filesystem so only ~16 blocks are left
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "padding", LFS_O_CREAT | LFS_O_WRONLY) => 0;
# uint8_t buffer[512];
# memset(buffer, 0, 512);
# while (BLOCK_COUNT - lfs_fs_size(&lfs) > 16) {
# lfs_file_write(&lfs, &file, buffer, 512) => 512;
# }
# lfs_file_close(&lfs, &file) => 0;
# // make a child dir to use in bounded space
# lfs_mkdir(&lfs, "child") => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# for (unsigned j = 0; j < ITERATIONS; j++) {
# for (unsigned i = 0; i < COUNT; i++) {
# char path[1024];
# sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
# lfs_file_open(&lfs, &file, path, LFS_O_CREAT | LFS_O_WRONLY) => 0;
# lfs_file_close(&lfs, &file) => 0;
# }
#
# lfs_dir_t dir;
# struct lfs_info info;
# lfs_dir_open(&lfs, &dir, "child") => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# for (unsigned i = 0; i < COUNT; i++) {
# char path[1024];
# sprintf(path, "test%03d_loooooooooooooooooong_name", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# strcmp(info.name, path) => 0;
# info.size => 0;
#
# sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
# lfs_file_open(&lfs, &file, path, LFS_O_WRONLY) => 0;
# lfs_file_write(&lfs, &file, "hi", 2) => 2;
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
#
# lfs_dir_rewind(&lfs, &dir) => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# for (unsigned i = 0; i < COUNT; i++) {
# char path[1024];
# sprintf(path, "test%03d_loooooooooooooooooong_name", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# strcmp(info.name, path) => 0;
# info.size => 2;
#
# sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
# lfs_file_open(&lfs, &file, path, LFS_O_WRONLY) => 0;
# lfs_file_write(&lfs, &file, "hi", 2) => 2;
# lfs_file_close(&lfs, &file) => 0;
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
#
# lfs_dir_rewind(&lfs, &dir) => 0;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# lfs_dir_read(&lfs, &dir, &info) => 1;
# for (unsigned i = 0; i < COUNT; i++) {
# char path[1024];
# sprintf(path, "test%03d_loooooooooooooooooong_name", i);
# lfs_dir_read(&lfs, &dir, &info) => 1;
# strcmp(info.name, path) => 0;
# info.size => 2;
# }
# lfs_dir_read(&lfs, &dir, &info) => 0;
# lfs_dir_close(&lfs, &dir) => 0;
#
# for (unsigned i = 0; i < COUNT; i++) {
# char path[1024];
# sprintf(path, "child/test%03d_loooooooooooooooooong_name", i);
# lfs_remove(&lfs, path) => 0;
# }
# }
# lfs_unmount(&lfs) => 0;
#'''
#
## reentrant testing for relocations, this is the same as the
## orphan testing, except here we also set block_cycles so that
## almost every tree operation needs a relocation
#[cases.test_relocations_reentrant]
#reentrant = true
## TODO fix this case, caused by non-DAG trees
## NOTE the second condition is required
#if = '!(DEPTH == 3 && CACHE_SIZE != 64) && 2*FILES < BLOCK_COUNT'
#defines = [
# {FILES=6, DEPTH=1, CYCLES=20, BLOCK_CYCLES=1},
# {FILES=26, DEPTH=1, CYCLES=20, BLOCK_CYCLES=1},
# {FILES=3, DEPTH=3, CYCLES=20, BLOCK_CYCLES=1},
#]
#code = '''
# lfs_t lfs;
# int err = lfs_mount(&lfs, cfg);
# if (err) {
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# }
#
# uint32_t prng = 1;
# const char alpha[] = "abcdefghijklmnopqrstuvwxyz";
# for (unsigned i = 0; i < CYCLES; i++) {
# // create random path
# char full_path[256];
# for (unsigned d = 0; d < DEPTH; d++) {
# sprintf(&full_path[2*d], "/%c", alpha[TEST_PRNG(&prng) % FILES]);
# }
#
# // if it does not exist, we create it, else we destroy
# struct lfs_info info;
# int res = lfs_stat(&lfs, full_path, &info);
# if (res == LFS_ERR_NOENT) {
# // create each directory in turn, ignore if dir already exists
# for (unsigned d = 0; d < DEPTH; d++) {
# char path[1024];
# strcpy(path, full_path);
# path[2*d+2] = '\0';
# err = lfs_mkdir(&lfs, path);
# assert(!err || err == LFS_ERR_EXIST);
# }
#
# for (unsigned d = 0; d < DEPTH; d++) {
# char path[1024];
# strcpy(path, full_path);
# path[2*d+2] = '\0';
# lfs_stat(&lfs, path, &info) => 0;
# assert(strcmp(info.name, &path[2*d+1]) == 0);
# assert(info.type == LFS_TYPE_DIR);
# }
# } else {
# // is valid dir?
# assert(strcmp(info.name, &full_path[2*(DEPTH-1)+1]) == 0);
# assert(info.type == LFS_TYPE_DIR);
#
# // try to delete path in reverse order, ignore if dir is not empty
# for (unsigned d = DEPTH-1; d+1 > 0; d--) {
# char path[1024];
# strcpy(path, full_path);
# path[2*d+2] = '\0';
# err = lfs_remove(&lfs, path);
# assert(!err || err == LFS_ERR_NOTEMPTY);
# }
#
# lfs_stat(&lfs, full_path, &info) => LFS_ERR_NOENT;
# }
# }
# lfs_unmount(&lfs) => 0;
#'''
#
## reentrant testing for relocations, but now with random renames!
#[cases.test_relocations_reentrant_renames]
#reentrant = true
## TODO fix this case, caused by non-DAG trees
## NOTE the second condition is required
#if = '!(DEPTH == 3 && CACHE_SIZE != 64) && 2*FILES < BLOCK_COUNT'
#defines = [
# {FILES=6, DEPTH=1, CYCLES=20, BLOCK_CYCLES=1},
# {FILES=26, DEPTH=1, CYCLES=20, BLOCK_CYCLES=1},
# {FILES=3, DEPTH=3, CYCLES=20, BLOCK_CYCLES=1},
#]
#code = '''
# lfs_t lfs;
# int err = lfs_mount(&lfs, cfg);
# if (err) {
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# }
#
# uint32_t prng = 1;
# const char alpha[] = "abcdefghijklmnopqrstuvwxyz";
# for (unsigned i = 0; i < CYCLES; i++) {
# // create random path
# char full_path[256];
# for (unsigned d = 0; d < DEPTH; d++) {
# sprintf(&full_path[2*d], "/%c", alpha[TEST_PRNG(&prng) % FILES]);
# }
#
# // if it does not exist, we create it, else we destroy
# struct lfs_info info;
# int res = lfs_stat(&lfs, full_path, &info);
# assert(!res || res == LFS_ERR_NOENT);
# if (res == LFS_ERR_NOENT) {
# // create each directory in turn, ignore if dir already exists
# for (unsigned d = 0; d < DEPTH; d++) {
# char path[1024];
# strcpy(path, full_path);
# path[2*d+2] = '\0';
# err = lfs_mkdir(&lfs, path);
# assert(!err || err == LFS_ERR_EXIST);
# }
#
# for (unsigned d = 0; d < DEPTH; d++) {
# char path[1024];
# strcpy(path, full_path);
# path[2*d+2] = '\0';
# lfs_stat(&lfs, path, &info) => 0;
# assert(strcmp(info.name, &path[2*d+1]) == 0);
# assert(info.type == LFS_TYPE_DIR);
# }
# } else {
# assert(strcmp(info.name, &full_path[2*(DEPTH-1)+1]) == 0);
# assert(info.type == LFS_TYPE_DIR);
#
# // create new random path
# char new_path[256];
# for (unsigned d = 0; d < DEPTH; d++) {
# sprintf(&new_path[2*d], "/%c", alpha[TEST_PRNG(&prng) % FILES]);
# }
#
# // if new path does not exist, rename, otherwise destroy
# res = lfs_stat(&lfs, new_path, &info);
# assert(!res || res == LFS_ERR_NOENT);
# if (res == LFS_ERR_NOENT) {
# // stop once some dir is renamed
# for (unsigned d = 0; d < DEPTH; d++) {
# char path[1024];
# strcpy(&path[2*d], &full_path[2*d]);
# path[2*d+2] = '\0';
# strcpy(&path[128+2*d], &new_path[2*d]);
# path[128+2*d+2] = '\0';
# err = lfs_rename(&lfs, path, path+128);
# assert(!err || err == LFS_ERR_NOTEMPTY);
# if (!err) {
# strcpy(path, path+128);
# }
# }
#
# for (unsigned d = 0; d < DEPTH; d++) {
# char path[1024];
# strcpy(path, new_path);
# path[2*d+2] = '\0';
# lfs_stat(&lfs, path, &info) => 0;
# assert(strcmp(info.name, &path[2*d+1]) == 0);
# assert(info.type == LFS_TYPE_DIR);
# }
#
# lfs_stat(&lfs, full_path, &info) => LFS_ERR_NOENT;
# } else {
# // try to delete path in reverse order,
# // ignore if dir is not empty
# for (unsigned d = DEPTH-1; d+1 > 0; d--) {
# char path[1024];
# strcpy(path, full_path);
# path[2*d+2] = '\0';
# err = lfs_remove(&lfs, path);
# assert(!err || err == LFS_ERR_NOTEMPTY);
# }
#
# lfs_stat(&lfs, full_path, &info) => LFS_ERR_NOENT;
# }
# }
# }
# lfs_unmount(&lfs) => 0;
#'''
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@@ -1,403 +0,0 @@
#
## simple file seek
#[cases.test_seek_read]
#defines = [
# {COUNT=132, SKIP=4},
# {COUNT=132, SKIP=128},
# {COUNT=200, SKIP=10},
# {COUNT=200, SKIP=100},
# {COUNT=4, SKIP=1},
# {COUNT=4, SKIP=2},
#]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "kitty",
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
# size_t size = strlen("kittycatcat");
# uint8_t buffer[1024];
# memcpy(buffer, "kittycatcat", size);
# for (int j = 0; j < COUNT; j++) {
# lfs_file_write(&lfs, &file, buffer, size);
# }
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_open(&lfs, &file, "kitty", LFS_O_RDONLY) => 0;
#
# lfs_soff_t pos = -1;
# size = strlen("kittycatcat");
# for (int i = 0; i < SKIP; i++) {
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "kittycatcat", size) => 0;
# pos = lfs_file_tell(&lfs, &file);
# }
# assert(pos >= 0);
#
# lfs_file_seek(&lfs, &file, pos, LFS_SEEK_SET) => pos;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "kittycatcat", size) => 0;
#
# lfs_file_rewind(&lfs, &file) => 0;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "kittycatcat", size) => 0;
#
# lfs_file_seek(&lfs, &file, 0, LFS_SEEK_CUR) => size;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "kittycatcat", size) => 0;
#
# lfs_file_seek(&lfs, &file, size, LFS_SEEK_CUR) => 3*size;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "kittycatcat", size) => 0;
#
# lfs_file_seek(&lfs, &file, pos, LFS_SEEK_SET) => pos;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "kittycatcat", size) => 0;
#
# lfs_file_seek(&lfs, &file, -size, LFS_SEEK_CUR) => pos;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "kittycatcat", size) => 0;
#
# lfs_file_seek(&lfs, &file, -size, LFS_SEEK_END) >= 0 => 1;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "kittycatcat", size) => 0;
#
# size = lfs_file_size(&lfs, &file);
# lfs_file_seek(&lfs, &file, 0, LFS_SEEK_CUR) => size;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
## simple file seek and write
#[cases.test_seek_write]
#defines = [
# {COUNT=132, SKIP=4},
# {COUNT=132, SKIP=128},
# {COUNT=200, SKIP=10},
# {COUNT=200, SKIP=100},
# {COUNT=4, SKIP=1},
# {COUNT=4, SKIP=2},
#]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "kitty",
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
# size_t size = strlen("kittycatcat");
# uint8_t buffer[1024];
# memcpy(buffer, "kittycatcat", size);
# for (int j = 0; j < COUNT; j++) {
# lfs_file_write(&lfs, &file, buffer, size);
# }
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_open(&lfs, &file, "kitty", LFS_O_RDWR) => 0;
#
# lfs_soff_t pos = -1;
# size = strlen("kittycatcat");
# for (int i = 0; i < SKIP; i++) {
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "kittycatcat", size) => 0;
# pos = lfs_file_tell(&lfs, &file);
# }
# assert(pos >= 0);
#
# memcpy(buffer, "doggodogdog", size);
# lfs_file_seek(&lfs, &file, pos, LFS_SEEK_SET) => pos;
# lfs_file_write(&lfs, &file, buffer, size) => size;
#
# lfs_file_seek(&lfs, &file, pos, LFS_SEEK_SET) => pos;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "doggodogdog", size) => 0;
#
# lfs_file_rewind(&lfs, &file) => 0;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "kittycatcat", size) => 0;
#
# lfs_file_seek(&lfs, &file, pos, LFS_SEEK_SET) => pos;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "doggodogdog", size) => 0;
#
# lfs_file_seek(&lfs, &file, -size, LFS_SEEK_END) >= 0 => 1;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "kittycatcat", size) => 0;
#
# size = lfs_file_size(&lfs, &file);
# lfs_file_seek(&lfs, &file, 0, LFS_SEEK_CUR) => size;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
## boundary seek and writes
#[cases.test_seek_boundary_write]
#defines.COUNT = 132
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "kitty",
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
# size_t size = strlen("kittycatcat");
# uint8_t buffer[1024];
# memcpy(buffer, "kittycatcat", size);
# for (int j = 0; j < COUNT; j++) {
# lfs_file_write(&lfs, &file, buffer, size);
# }
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_open(&lfs, &file, "kitty", LFS_O_RDWR) => 0;
#
# size = strlen("hedgehoghog");
# const lfs_soff_t offsets[] = {512, 1020, 513, 1021, 511, 1019, 1441};
#
# for (unsigned i = 0; i < sizeof(offsets) / sizeof(offsets[0]); i++) {
# lfs_soff_t off = offsets[i];
# memcpy(buffer, "hedgehoghog", size);
# lfs_file_seek(&lfs, &file, off, LFS_SEEK_SET) => off;
# lfs_file_write(&lfs, &file, buffer, size) => size;
# lfs_file_seek(&lfs, &file, off, LFS_SEEK_SET) => off;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "hedgehoghog", size) => 0;
#
# lfs_file_seek(&lfs, &file, 0, LFS_SEEK_SET) => 0;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "kittycatcat", size) => 0;
#
# lfs_file_seek(&lfs, &file, off, LFS_SEEK_SET) => off;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "hedgehoghog", size) => 0;
#
# lfs_file_sync(&lfs, &file) => 0;
#
# lfs_file_seek(&lfs, &file, 0, LFS_SEEK_SET) => 0;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "kittycatcat", size) => 0;
#
# lfs_file_seek(&lfs, &file, off, LFS_SEEK_SET) => off;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "hedgehoghog", size) => 0;
# }
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
## out of bounds seek
#[cases.test_seek_out_of_bounds]
#defines = [
# {COUNT=132, SKIP=4},
# {COUNT=132, SKIP=128},
# {COUNT=200, SKIP=10},
# {COUNT=200, SKIP=100},
# {COUNT=4, SKIP=2},
# {COUNT=4, SKIP=3},
#]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "kitty",
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
# size_t size = strlen("kittycatcat");
# uint8_t buffer[1024];
# memcpy(buffer, "kittycatcat", size);
# for (int j = 0; j < COUNT; j++) {
# lfs_file_write(&lfs, &file, buffer, size);
# }
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_open(&lfs, &file, "kitty", LFS_O_RDWR) => 0;
#
# size = strlen("kittycatcat");
# lfs_file_size(&lfs, &file) => COUNT*size;
# lfs_file_seek(&lfs, &file, (COUNT+SKIP)*size,
# LFS_SEEK_SET) => (COUNT+SKIP)*size;
# lfs_file_read(&lfs, &file, buffer, size) => 0;
#
# memcpy(buffer, "porcupineee", size);
# lfs_file_write(&lfs, &file, buffer, size) => size;
#
# lfs_file_seek(&lfs, &file, (COUNT+SKIP)*size,
# LFS_SEEK_SET) => (COUNT+SKIP)*size;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "porcupineee", size) => 0;
#
# lfs_file_seek(&lfs, &file, COUNT*size,
# LFS_SEEK_SET) => COUNT*size;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "\0\0\0\0\0\0\0\0\0\0\0", size) => 0;
#
# lfs_file_seek(&lfs, &file, -((COUNT+SKIP)*size),
# LFS_SEEK_CUR) => LFS_ERR_INVAL;
# lfs_file_tell(&lfs, &file) => (COUNT+1)*size;
#
# lfs_file_seek(&lfs, &file, -((COUNT+2*SKIP)*size),
# LFS_SEEK_END) => LFS_ERR_INVAL;
# lfs_file_tell(&lfs, &file) => (COUNT+1)*size;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
## inline write and seek
#[cases.test_seek_inline_write]
#defines.SIZE = [2, 4, 128, 132]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "tinykitty",
# LFS_O_RDWR | LFS_O_CREAT) => 0;
# int j = 0;
# int k = 0;
#
# uint8_t buffer[1024];
# memcpy(buffer, "abcdefghijklmnopqrstuvwxyz", 26);
# for (unsigned i = 0; i < SIZE; i++) {
# lfs_file_write(&lfs, &file, &buffer[j++ % 26], 1) => 1;
# lfs_file_tell(&lfs, &file) => i+1;
# lfs_file_size(&lfs, &file) => i+1;
# }
#
# lfs_file_seek(&lfs, &file, 0, LFS_SEEK_SET) => 0;
# lfs_file_tell(&lfs, &file) => 0;
# lfs_file_size(&lfs, &file) => SIZE;
# for (unsigned i = 0; i < SIZE; i++) {
# uint8_t c;
# lfs_file_read(&lfs, &file, &c, 1) => 1;
# c => buffer[k++ % 26];
# }
#
# lfs_file_sync(&lfs, &file) => 0;
# lfs_file_tell(&lfs, &file) => SIZE;
# lfs_file_size(&lfs, &file) => SIZE;
#
# lfs_file_seek(&lfs, &file, 0, LFS_SEEK_SET) => 0;
# for (unsigned i = 0; i < SIZE; i++) {
# lfs_file_write(&lfs, &file, &buffer[j++ % 26], 1) => 1;
# lfs_file_tell(&lfs, &file) => i+1;
# lfs_file_size(&lfs, &file) => SIZE;
# lfs_file_sync(&lfs, &file) => 0;
# lfs_file_tell(&lfs, &file) => i+1;
# lfs_file_size(&lfs, &file) => SIZE;
# if (i < SIZE-2) {
# uint8_t c[3];
# lfs_file_seek(&lfs, &file, -1, LFS_SEEK_CUR) => i;
# lfs_file_read(&lfs, &file, &c, 3) => 3;
# lfs_file_tell(&lfs, &file) => i+3;
# lfs_file_size(&lfs, &file) => SIZE;
# lfs_file_seek(&lfs, &file, i+1, LFS_SEEK_SET) => i+1;
# lfs_file_tell(&lfs, &file) => i+1;
# lfs_file_size(&lfs, &file) => SIZE;
# }
# }
#
# lfs_file_seek(&lfs, &file, 0, LFS_SEEK_SET) => 0;
# lfs_file_tell(&lfs, &file) => 0;
# lfs_file_size(&lfs, &file) => SIZE;
# for (unsigned i = 0; i < SIZE; i++) {
# uint8_t c;
# lfs_file_read(&lfs, &file, &c, 1) => 1;
# c => buffer[k++ % 26];
# }
#
# lfs_file_sync(&lfs, &file) => 0;
# lfs_file_tell(&lfs, &file) => SIZE;
# lfs_file_size(&lfs, &file) => SIZE;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
## file seek and write with power-loss
#[cases.test_seek_reentrant_write]
## must be power-of-2 for quadratic probing to be exhaustive
#defines.COUNT = [4, 64, 128]
#reentrant = true
#code = '''
# lfs_t lfs;
# int err = lfs_mount(&lfs, cfg);
# if (err) {
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# }
# lfs_file_t file;
# uint8_t buffer[1024];
# err = lfs_file_open(&lfs, &file, "kitty", LFS_O_RDONLY);
# assert(!err || err == LFS_ERR_NOENT);
# if (!err) {
# if (lfs_file_size(&lfs, &file) != 0) {
# lfs_file_size(&lfs, &file) => 11*COUNT;
# for (int j = 0; j < COUNT; j++) {
# memset(buffer, 0, 11+1);
# lfs_file_read(&lfs, &file, buffer, 11) => 11;
# assert(memcmp(buffer, "kittycatcat", 11) == 0 ||
# memcmp(buffer, "doggodogdog", 11) == 0);
# }
# }
# lfs_file_close(&lfs, &file) => 0;
# }
#
# lfs_file_open(&lfs, &file, "kitty", LFS_O_WRONLY | LFS_O_CREAT) => 0;
# if (lfs_file_size(&lfs, &file) == 0) {
# for (int j = 0; j < COUNT; j++) {
# strcpy((char*)buffer, "kittycatcat");
# size_t size = strlen((char*)buffer);
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# }
# lfs_file_close(&lfs, &file) => 0;
#
# strcpy((char*)buffer, "doggodogdog");
# size_t size = strlen((char*)buffer);
#
# lfs_file_open(&lfs, &file, "kitty", LFS_O_RDWR) => 0;
# lfs_file_size(&lfs, &file) => COUNT*size;
# // seek and write using quadratic probing to touch all
# // 11-byte words in the file
# lfs_off_t off = 0;
# for (int j = 0; j < COUNT; j++) {
# off = (5*off + 1) % COUNT;
# lfs_file_seek(&lfs, &file, off*size, LFS_SEEK_SET) => off*size;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# assert(memcmp(buffer, "kittycatcat", size) == 0 ||
# memcmp(buffer, "doggodogdog", size) == 0);
# if (memcmp(buffer, "doggodogdog", size) != 0) {
# lfs_file_seek(&lfs, &file, off*size, LFS_SEEK_SET) => off*size;
# strcpy((char*)buffer, "doggodogdog");
# lfs_file_write(&lfs, &file, buffer, size) => size;
# lfs_file_seek(&lfs, &file, off*size, LFS_SEEK_SET) => off*size;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# assert(memcmp(buffer, "doggodogdog", size) == 0);
# lfs_file_sync(&lfs, &file) => 0;
# lfs_file_seek(&lfs, &file, off*size, LFS_SEEK_SET) => off*size;
# lfs_file_read(&lfs, &file, buffer, size) => size;
# assert(memcmp(buffer, "doggodogdog", size) == 0);
# }
# }
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_file_open(&lfs, &file, "kitty", LFS_O_RDWR) => 0;
# lfs_file_size(&lfs, &file) => COUNT*size;
# for (int j = 0; j < COUNT; j++) {
# lfs_file_read(&lfs, &file, buffer, size) => size;
# assert(memcmp(buffer, "doggodogdog", size) == 0);
# }
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''
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@@ -1,211 +0,0 @@
## simple format test
#[cases.test_superblocks_format]
#code = '''
# lfs_t lfs;
# lfsr_format(&lfs, cfg) => 0;
#'''
#
## simple mount/unmount test
#[cases.test_superblocks_mount]
#code = '''
# lfs_t lfs;
# lfsr_format(&lfs, cfg) => 0;
# lfsr_mount(&lfs, cfg) => 0;
# lfsr_unmount(&lfs) => 0;
#'''
#
## reentrant format
#[cases.test_superblocks_reentrant_format]
#reentrant = true
#code = '''
# lfs_t lfs;
# int err = lfsr_mount(&lfs, cfg);
# if (err) {
# lfsr_format(&lfs, cfg) => 0;
# lfsr_mount(&lfs, cfg) => 0;
# }
# lfsr_unmount(&lfs) => 0;
#'''
#
## invalid mount
#[cases.test_superblocks_invalid]
#code = '''
# lfs_t lfs;
# lfsr_mount(&lfs, cfg) => LFS_ERR_INVAL;
#'''
#
## superblock cycle detection
#[cases.test_superblocks_cycle]
#in = 'lfs.c'
#code = '''
# // create a cycle
# lfs_t lfs;
# lfsr_format(&lfs, cfg) => 0;
# lfsr_mount(&lfs, cfg) => 0;
# uint8_t buf[LFSR_MPAIR_DSIZE];
# lfs_ssize_t d = lfsr_mpair_todisk(&lfs,
# lfsr_mdir_mpair(&lfs.mroot), buf);
# assert(d >= 0);
# lfsr_mdir_commit(&lfs, &lfs.mroot, &(lfs_ssize_t){-1}, LFSR_ATTRS(
# LFSR_ATTR(-1, MROOT, 0, buf, d))) => 0;
# lfsr_unmount(&lfs) => 0;
#
# // now detect the cycle
# lfsr_mount(&lfs, cfg) => LFS_ERR_CORRUPT;
#'''
#
#
#
#
#
### simple formatting test
##[cases.test_superblocks_format]
##code = '''
## lfs_t lfs;
## lfs_format(&lfs, cfg) => 0;
##'''
##
### mount/unmount
##[cases.test_superblocks_mount]
##code = '''
## lfs_t lfs;
## lfs_format(&lfs, cfg) => 0;
## lfs_mount(&lfs, cfg) => 0;
## lfs_unmount(&lfs) => 0;
##'''
##
### reentrant format
##[cases.test_superblocks_reentrant_format]
##reentrant = true
##code = '''
## lfs_t lfs;
## int err = lfs_mount(&lfs, cfg);
## if (err) {
## lfs_format(&lfs, cfg) => 0;
## lfs_mount(&lfs, cfg) => 0;
## }
## lfs_unmount(&lfs) => 0;
##'''
##
### invalid mount
##[cases.test_superblocks_invalid_mount]
##code = '''
## lfs_t lfs;
## lfs_mount(&lfs, cfg) => LFS_ERR_CORRUPT;
##'''
##
### expanding superblock
##[cases.test_superblocks_expand]
##defines.BLOCK_CYCLES = [32, 33, 1]
##defines.N = [10, 100, 1000]
##code = '''
## lfs_t lfs;
## lfs_format(&lfs, cfg) => 0;
## lfs_mount(&lfs, cfg) => 0;
## for (int i = 0; i < N; i++) {
## lfs_file_t file;
## lfs_file_open(&lfs, &file, "dummy",
## LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
## lfs_file_close(&lfs, &file) => 0;
## struct lfs_info info;
## lfs_stat(&lfs, "dummy", &info) => 0;
## assert(strcmp(info.name, "dummy") == 0);
## assert(info.type == LFS_TYPE_REG);
## lfs_remove(&lfs, "dummy") => 0;
## }
## lfs_unmount(&lfs) => 0;
##
## // one last check after power-cycle
## lfs_mount(&lfs, cfg) => 0;
## lfs_file_t file;
## lfs_file_open(&lfs, &file, "dummy",
## LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
## lfs_file_close(&lfs, &file) => 0;
## struct lfs_info info;
## lfs_stat(&lfs, "dummy", &info) => 0;
## assert(strcmp(info.name, "dummy") == 0);
## assert(info.type == LFS_TYPE_REG);
## lfs_unmount(&lfs) => 0;
##'''
##
### expanding superblock with power cycle
##[cases.test_superblocks_expand_power_cycle]
##defines.BLOCK_CYCLES = [32, 33, 1]
##defines.N = [10, 100, 1000]
##code = '''
## lfs_t lfs;
## lfs_format(&lfs, cfg) => 0;
## for (int i = 0; i < N; i++) {
## lfs_mount(&lfs, cfg) => 0;
## // remove lingering dummy?
## struct lfs_info info;
## int err = lfs_stat(&lfs, "dummy", &info);
## assert(err == 0 || (err == LFS_ERR_NOENT && i == 0));
## if (!err) {
## assert(strcmp(info.name, "dummy") == 0);
## assert(info.type == LFS_TYPE_REG);
## lfs_remove(&lfs, "dummy") => 0;
## }
##
## lfs_file_t file;
## lfs_file_open(&lfs, &file, "dummy",
## LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
## lfs_file_close(&lfs, &file) => 0;
## lfs_stat(&lfs, "dummy", &info) => 0;
## assert(strcmp(info.name, "dummy") == 0);
## assert(info.type == LFS_TYPE_REG);
## lfs_unmount(&lfs) => 0;
## }
##
## // one last check after power-cycle
## lfs_mount(&lfs, cfg) => 0;
## struct lfs_info info;
## lfs_stat(&lfs, "dummy", &info) => 0;
## assert(strcmp(info.name, "dummy") == 0);
## assert(info.type == LFS_TYPE_REG);
## lfs_unmount(&lfs) => 0;
##'''
##
### reentrant expanding superblock
##[cases.test_superblocks_reentrant_expand]
##defines.BLOCK_CYCLES = [2, 1]
##defines.N = 24
##reentrant = true
##code = '''
## lfs_t lfs;
## int err = lfs_mount(&lfs, cfg);
## if (err) {
## lfs_format(&lfs, cfg) => 0;
## lfs_mount(&lfs, cfg) => 0;
## }
##
## for (int i = 0; i < N; i++) {
## // remove lingering dummy?
## struct lfs_info info;
## err = lfs_stat(&lfs, "dummy", &info);
## assert(err == 0 || (err == LFS_ERR_NOENT && i == 0));
## if (!err) {
## assert(strcmp(info.name, "dummy") == 0);
## assert(info.type == LFS_TYPE_REG);
## lfs_remove(&lfs, "dummy") => 0;
## }
##
## lfs_file_t file;
## lfs_file_open(&lfs, &file, "dummy",
## LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
## lfs_file_close(&lfs, &file) => 0;
## lfs_stat(&lfs, "dummy", &info) => 0;
## assert(strcmp(info.name, "dummy") == 0);
## assert(info.type == LFS_TYPE_REG);
## }
##
## lfs_unmount(&lfs) => 0;
##
## // one last check after power-cycle
## lfs_mount(&lfs, cfg) => 0;
## struct lfs_info info;
## lfs_stat(&lfs, "dummy", &info) => 0;
## assert(strcmp(info.name, "dummy") == 0);
## assert(info.type == LFS_TYPE_REG);
## lfs_unmount(&lfs) => 0;
##'''
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@@ -1,477 +0,0 @@
## simple truncate
#[cases.test_truncate_simple]
#defines.MEDIUMSIZE = [32, 2048]
#defines.LARGESIZE = 8192
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "baldynoop",
# LFS_O_WRONLY | LFS_O_CREAT) => 0;
#
# uint8_t buffer[1024];
# strcpy((char*)buffer, "hair");
# size_t size = strlen((char*)buffer);
# for (lfs_off_t j = 0; j < LARGESIZE; j += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_size(&lfs, &file) => LARGESIZE;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_open(&lfs, &file, "baldynoop", LFS_O_RDWR) => 0;
# lfs_file_size(&lfs, &file) => LARGESIZE;
#
# lfs_file_truncate(&lfs, &file, MEDIUMSIZE) => 0;
# lfs_file_size(&lfs, &file) => MEDIUMSIZE;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_open(&lfs, &file, "baldynoop", LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => MEDIUMSIZE;
#
# size = strlen("hair");
# for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "hair", size) => 0;
# }
# lfs_file_read(&lfs, &file, buffer, size) => 0;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
## truncate and read
#[cases.test_truncate_read]
#defines.MEDIUMSIZE = [32, 2048]
#defines.LARGESIZE = 8192
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "baldyread",
# LFS_O_WRONLY | LFS_O_CREAT) => 0;
#
# uint8_t buffer[1024];
# strcpy((char*)buffer, "hair");
# size_t size = strlen((char*)buffer);
# for (lfs_off_t j = 0; j < LARGESIZE; j += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_size(&lfs, &file) => LARGESIZE;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_open(&lfs, &file, "baldyread", LFS_O_RDWR) => 0;
# lfs_file_size(&lfs, &file) => LARGESIZE;
#
# lfs_file_truncate(&lfs, &file, MEDIUMSIZE) => 0;
# lfs_file_size(&lfs, &file) => MEDIUMSIZE;
#
# size = strlen("hair");
# for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "hair", size) => 0;
# }
# lfs_file_read(&lfs, &file, buffer, size) => 0;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_open(&lfs, &file, "baldyread", LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => MEDIUMSIZE;
#
# size = strlen("hair");
# for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "hair", size) => 0;
# }
# lfs_file_read(&lfs, &file, buffer, size) => 0;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
## write, truncate, and read
#[cases.test_truncate_write_read]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "sequence",
# LFS_O_RDWR | LFS_O_CREAT | LFS_O_TRUNC) => 0;
#
# uint8_t buffer[1024];
# size_t size = lfs_min(lfs.cfg->cache_size, sizeof(buffer)/2);
# lfs_size_t qsize = size / 4;
# uint8_t *wb = buffer;
# uint8_t *rb = buffer + size;
# for (lfs_off_t j = 0; j < size; ++j) {
# wb[j] = j;
# }
#
# /* Spread sequence over size */
# lfs_file_write(&lfs, &file, wb, size) => size;
# lfs_file_size(&lfs, &file) => size;
# lfs_file_tell(&lfs, &file) => size;
#
# lfs_file_seek(&lfs, &file, 0, LFS_SEEK_SET) => 0;
# lfs_file_tell(&lfs, &file) => 0;
#
# /* Chop off the last quarter */
# lfs_size_t trunc = size - qsize;
# lfs_file_truncate(&lfs, &file, trunc) => 0;
# lfs_file_tell(&lfs, &file) => 0;
# lfs_file_size(&lfs, &file) => trunc;
#
# /* Read should produce first 3/4 */
# lfs_file_read(&lfs, &file, rb, size) => trunc;
# memcmp(rb, wb, trunc) => 0;
#
# /* Move to 1/4 */
# lfs_file_size(&lfs, &file) => trunc;
# lfs_file_seek(&lfs, &file, qsize, LFS_SEEK_SET) => qsize;
# lfs_file_tell(&lfs, &file) => qsize;
#
# /* Chop to 1/2 */
# trunc -= qsize;
# lfs_file_truncate(&lfs, &file, trunc) => 0;
# lfs_file_tell(&lfs, &file) => qsize;
# lfs_file_size(&lfs, &file) => trunc;
#
# /* Read should produce second quarter */
# lfs_file_read(&lfs, &file, rb, size) => trunc - qsize;
# memcmp(rb, wb + qsize, trunc - qsize) => 0;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
## truncate and write
#[cases.test_truncate_write]
#defines.MEDIUMSIZE = [32, 2048]
#defines.LARGESIZE = 8192
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "baldywrite",
# LFS_O_WRONLY | LFS_O_CREAT) => 0;
#
# uint8_t buffer[1024];
# strcpy((char*)buffer, "hair");
# size_t size = strlen((char*)buffer);
# for (lfs_off_t j = 0; j < LARGESIZE; j += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_size(&lfs, &file) => LARGESIZE;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_open(&lfs, &file, "baldywrite", LFS_O_RDWR) => 0;
# lfs_file_size(&lfs, &file) => LARGESIZE;
#
# lfs_file_truncate(&lfs, &file, MEDIUMSIZE) => 0;
# lfs_file_size(&lfs, &file) => MEDIUMSIZE;
#
# strcpy((char*)buffer, "bald");
# size = strlen((char*)buffer);
# for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_size(&lfs, &file) => MEDIUMSIZE;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_open(&lfs, &file, "baldywrite", LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => MEDIUMSIZE;
#
# size = strlen("bald");
# for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "bald", size) => 0;
# }
# lfs_file_read(&lfs, &file, buffer, size) => 0;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''
#
## truncate write under powerloss
#[cases.test_truncate_reentrant_write]
#defines.SMALLSIZE = [4, 512]
#defines.MEDIUMSIZE = [32, 1024]
#defines.LARGESIZE = 2048
#reentrant = true
#code = '''
# lfs_t lfs;
# int err = lfs_mount(&lfs, cfg);
# if (err) {
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# }
# lfs_file_t file;
# err = lfs_file_open(&lfs, &file, "baldy", LFS_O_RDONLY);
# assert(!err || err == LFS_ERR_NOENT);
# if (!err) {
# size_t size = lfs_file_size(&lfs, &file);
# assert(size == 0 ||
# size == (size_t)LARGESIZE ||
# size == (size_t)MEDIUMSIZE ||
# size == (size_t)SMALLSIZE);
# for (lfs_off_t j = 0; j < size; j += 4) {
# uint8_t buffer[1024];
# lfs_file_read(&lfs, &file, buffer, 4) => 4;
# assert(memcmp(buffer, "hair", 4) == 0 ||
# memcmp(buffer, "bald", 4) == 0 ||
# memcmp(buffer, "comb", 4) == 0);
# }
# lfs_file_close(&lfs, &file) => 0;
# }
#
# lfs_file_open(&lfs, &file, "baldy",
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
# lfs_file_size(&lfs, &file) => 0;
# uint8_t buffer[1024];
# strcpy((char*)buffer, "hair");
# size_t size = strlen((char*)buffer);
# for (lfs_off_t j = 0; j < LARGESIZE; j += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_size(&lfs, &file) => LARGESIZE;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_file_open(&lfs, &file, "baldy", LFS_O_RDWR) => 0;
# lfs_file_size(&lfs, &file) => LARGESIZE;
# lfs_file_truncate(&lfs, &file, MEDIUMSIZE) => 0;
# lfs_file_size(&lfs, &file) => MEDIUMSIZE;
# strcpy((char*)buffer, "bald");
# size = strlen((char*)buffer);
# for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_size(&lfs, &file) => MEDIUMSIZE;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_file_open(&lfs, &file, "baldy", LFS_O_RDWR) => 0;
# lfs_file_size(&lfs, &file) => MEDIUMSIZE;
# lfs_file_truncate(&lfs, &file, SMALLSIZE) => 0;
# lfs_file_size(&lfs, &file) => SMALLSIZE;
# strcpy((char*)buffer, "comb");
# size = strlen((char*)buffer);
# for (lfs_off_t j = 0; j < SMALLSIZE; j += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_size(&lfs, &file) => SMALLSIZE;
# lfs_file_close(&lfs, &file) => 0;
#
# lfs_unmount(&lfs) => 0;
#'''
#
## more aggressive general truncation tests
#[cases.test_truncate_aggressive]
#defines.CONFIG = 'range(6)'
#defines.SMALLSIZE = 32
#defines.MEDIUMSIZE = 2048
#defines.LARGESIZE = 8192
#code = '''
# lfs_t lfs;
# #define COUNT 5
# const struct {
# lfs_off_t startsizes[COUNT];
# lfs_off_t startseeks[COUNT];
# lfs_off_t hotsizes[COUNT];
# lfs_off_t coldsizes[COUNT];
# } configs[] = {
# // cold shrinking
# {{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
# {2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
# {2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
# { 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE}},
# // cold expanding
# {{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
# {2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
# {2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
# { 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE}},
# // warm shrinking truncate
# {{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
# {2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
# { 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
# { 0, 0, 0, 0, 0}},
# // warm expanding truncate
# {{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
# { 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
# {2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
# {2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE}},
# // mid-file shrinking truncate
# {{2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
# { LARGESIZE, LARGESIZE, LARGESIZE, LARGESIZE, LARGESIZE},
# { 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
# { 0, 0, 0, 0, 0}},
# // mid-file expanding truncate
# {{ 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE, 2*LARGESIZE},
# { 0, 0, SMALLSIZE, MEDIUMSIZE, LARGESIZE},
# {2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE},
# {2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE, 2*LARGESIZE}},
# };
#
# const lfs_off_t *startsizes = configs[CONFIG].startsizes;
# const lfs_off_t *startseeks = configs[CONFIG].startseeks;
# const lfs_off_t *hotsizes = configs[CONFIG].hotsizes;
# const lfs_off_t *coldsizes = configs[CONFIG].coldsizes;
#
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
#
# for (unsigned i = 0; i < COUNT; i++) {
# char path[1024];
# sprintf(path, "hairyhead%d", i);
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path,
# LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
#
# uint8_t buffer[1024];
# strcpy((char*)buffer, "hair");
# size_t size = strlen((char*)buffer);
# for (lfs_off_t j = 0; j < startsizes[i]; j += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
# }
# lfs_file_size(&lfs, &file) => startsizes[i];
#
# if (startseeks[i] != startsizes[i]) {
# lfs_file_seek(&lfs, &file,
# startseeks[i], LFS_SEEK_SET) => startseeks[i];
# }
#
# lfs_file_truncate(&lfs, &file, hotsizes[i]) => 0;
# lfs_file_size(&lfs, &file) => hotsizes[i];
#
# lfs_file_close(&lfs, &file) => 0;
# }
#
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
#
# for (unsigned i = 0; i < COUNT; i++) {
# char path[1024];
# sprintf(path, "hairyhead%d", i);
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path, LFS_O_RDWR) => 0;
# lfs_file_size(&lfs, &file) => hotsizes[i];
#
# size_t size = strlen("hair");
# lfs_off_t j = 0;
# for (; j < startsizes[i] && j < hotsizes[i]; j += size) {
# uint8_t buffer[1024];
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "hair", size) => 0;
# }
#
# for (; j < hotsizes[i]; j += size) {
# uint8_t buffer[1024];
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "\0\0\0\0", size) => 0;
# }
#
# lfs_file_truncate(&lfs, &file, coldsizes[i]) => 0;
# lfs_file_size(&lfs, &file) => coldsizes[i];
#
# lfs_file_close(&lfs, &file) => 0;
# }
#
# lfs_unmount(&lfs) => 0;
#
# lfs_mount(&lfs, cfg) => 0;
#
# for (unsigned i = 0; i < COUNT; i++) {
# char path[1024];
# sprintf(path, "hairyhead%d", i);
# lfs_file_t file;
# lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
# lfs_file_size(&lfs, &file) => coldsizes[i];
#
# size_t size = strlen("hair");
# lfs_off_t j = 0;
# for (; j < startsizes[i] && j < hotsizes[i] && j < coldsizes[i];
# j += size) {
# uint8_t buffer[1024];
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "hair", size) => 0;
# }
#
# for (; j < coldsizes[i]; j += size) {
# uint8_t buffer[1024];
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "\0\0\0\0", size) => 0;
# }
#
# lfs_file_close(&lfs, &file) => 0;
# }
#
# lfs_unmount(&lfs) => 0;
#'''
#
## noop truncate
#[cases.test_truncate_nop]
#defines.MEDIUMSIZE = [32, 2048]
#code = '''
# lfs_t lfs;
# lfs_format(&lfs, cfg) => 0;
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_t file;
# lfs_file_open(&lfs, &file, "baldynoop",
# LFS_O_RDWR | LFS_O_CREAT) => 0;
#
# uint8_t buffer[1024];
# strcpy((char*)buffer, "hair");
# size_t size = strlen((char*)buffer);
# for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
# lfs_file_write(&lfs, &file, buffer, size) => size;
#
# // this truncate should do nothing
# lfs_file_truncate(&lfs, &file, j+size) => 0;
# }
# lfs_file_size(&lfs, &file) => MEDIUMSIZE;
#
# lfs_file_seek(&lfs, &file, 0, LFS_SEEK_SET) => 0;
# // should do nothing again
# lfs_file_truncate(&lfs, &file, MEDIUMSIZE) => 0;
# lfs_file_size(&lfs, &file) => MEDIUMSIZE;
#
# for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "hair", size) => 0;
# }
# lfs_file_read(&lfs, &file, buffer, size) => 0;
#
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#
# // still there after reboot?
# lfs_mount(&lfs, cfg) => 0;
# lfs_file_open(&lfs, &file, "baldynoop", LFS_O_RDWR) => 0;
# lfs_file_size(&lfs, &file) => MEDIUMSIZE;
# for (lfs_off_t j = 0; j < MEDIUMSIZE; j += size) {
# lfs_file_read(&lfs, &file, buffer, size) => size;
# memcmp(buffer, "hair", size) => 0;
# }
# lfs_file_read(&lfs, &file, buffer, size) => 0;
# lfs_file_close(&lfs, &file) => 0;
# lfs_unmount(&lfs) => 0;
#'''