#
#[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;
#'''