# test a single supermdir
[cases.test_mtree_one_supermdir]
code = '''
    lfs_t lfs;
    lfsr_format(&lfs, cfg) => 0;
    lfsr_mount(&lfs, cfg) => 0;
    lfsr_unmount(&lfs) => 0;
'''

# test a single supermdir with many commits
[cases.test_mtree_one_supermdir_many_commits]
defines.N = 5000
in = 'lfs.c'
code = '''
    lfs_t lfs;
    lfsr_format(&lfs, cfg) => 0;

    for (lfs_size_t i = 0; i < N; i++) {
        lfsr_mount(&lfs, cfg) => 0;
        lfsr_mdir_commit(&lfs, &lfs.supermdir, &(lfs_ssize_t){-1},
                NULL, 0) => 0;
        lfsr_unmount(&lfs) => 0;
    }

    lfsr_mount(&lfs, cfg) => 0;
    lfsr_unmount(&lfs) => 0;
'''

# TODO test many supermdirs

# try creating a few entries in our mdir
[cases.test_mtree_entries]
defines.N = 5
in = 'lfs.c'
code = '''
    lfs_t lfs;
    lfsr_format(&lfs, cfg) => 0;
    const char *alphas = "abcdefghijklmnopqrstuvwxyz";

    lfsr_mount(&lfs, cfg) => 0;
    lfsr_mdir_t mdir = lfs.supermdir;
    lfs_ssize_t rid = -1;
    for (lfs_size_t i = 0; i < N; i++) {
        rid += 1;
        lfsr_mdir_commit(&lfs, &mdir, &rid, LFSR_ATTRS(
                LFSR_ATTR(rid, MKREG, +1, &alphas[i % 26], 1))) => 0;
    }
    lfsr_unmount(&lfs) => 0;

// TODO
//    lfsr_mount(&lfs, cfg) => 0;
//    for (lfs_size_t i = 0; i < N; i++) {
//        uint8_t buffer[4];
//        lfsr_mdir_get(&lfs, &lfs.supermdir, i, LFSR_TAG_REG, buffer, 4) => 1;
//        assert(memcmp(buffer, &alphas[i % 26], 1) == 0);
//    }
//    lfsr_unmount(&lfs) => 0;
'''

# try creating many entries, this should trigger a split
[cases.test_mtree_split]
defines.N = 500
in = 'lfs.c'
code = '''
    lfs_t lfs;
    lfsr_format(&lfs, cfg) => 0;
    const char *alphas = "abcdefghijklmnopqrstuvwxyz";

    lfsr_mount(&lfs, cfg) => 0;
    lfsr_mdir_t mdir = lfs.supermdir;
    lfs_ssize_t rid = -1;
    for (lfs_size_t i = 0; i < N; i++) {
        rid += 1;
        lfsr_mdir_commit(&lfs, &mdir, &rid, LFSR_ATTRS(
                LFSR_ATTR(rid, MKREG, +1, &alphas[i % 26], 1))) => 0;
    }
    lfsr_unmount(&lfs) => 0;

// TODO
//    lfsr_mount(&lfs, cfg) => 0;
//    for (lfs_size_t i = 0; i < N; i++) {
//        uint8_t buffer[4];
//        lfsr_mdir_get(&lfs, &lfs.supermdir, i, LFSR_TAG_REG, buffer, 4) => 1;
//        assert(memcmp(buffer, &alphas[i % 26], 1) == 0);
//    }
//    lfsr_unmount(&lfs) => 0;
'''