diff options
Diffstat (limited to 'tests/test_superblocks.toml')
| -rw-r--r-- | tests/test_superblocks.toml | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/tests/test_superblocks.toml b/tests/test_superblocks.toml index 0aff84b..a99a5a4 100644 --- a/tests/test_superblocks.toml +++ b/tests/test_superblocks.toml @@ -14,6 +14,21 @@ code = ''' lfs_unmount(&lfs) => 0; ''' +# mount/unmount from interpretting a previous superblock block_count +[cases.test_superblocks_mount_unknown_block_count] +code = ''' + lfs_t lfs; + lfs_format(&lfs, cfg) => 0; + + memset(&lfs, 0, sizeof(lfs)); + struct lfs_config tweaked_cfg = *cfg; + tweaked_cfg.block_count = 0; + lfs_mount(&lfs, &tweaked_cfg) => 0; + assert(lfs.block_count == cfg->block_count); + lfs_unmount(&lfs) => 0; +''' + + # reentrant format [cases.test_superblocks_reentrant_format] reentrant = true @@ -197,3 +212,150 @@ code = ''' assert(info.type == LFS_TYPE_REG); lfs_unmount(&lfs) => 0; ''' + +# mount with unknown block_count +[cases.test_superblocks_unknown_blocks] +code = ''' + lfs_t lfs; + lfs_format(&lfs, cfg) => 0; + + // known block_size/block_count + cfg->block_size = BLOCK_SIZE; + cfg->block_count = BLOCK_COUNT; + lfs_mount(&lfs, cfg) => 0; + struct lfs_fsinfo fsinfo; + lfs_fs_stat(&lfs, &fsinfo) => 0; + assert(fsinfo.block_size == BLOCK_SIZE); + assert(fsinfo.block_count == BLOCK_COUNT); + lfs_unmount(&lfs) => 0; + + // unknown block_count + cfg->block_size = BLOCK_SIZE; + cfg->block_count = 0; + lfs_mount(&lfs, cfg) => 0; + lfs_fs_stat(&lfs, &fsinfo) => 0; + assert(fsinfo.block_size == BLOCK_SIZE); + assert(fsinfo.block_count == BLOCK_COUNT); + lfs_unmount(&lfs) => 0; + + // do some work + lfs_mount(&lfs, cfg) => 0; + lfs_fs_stat(&lfs, &fsinfo) => 0; + assert(fsinfo.block_size == BLOCK_SIZE); + assert(fsinfo.block_count == BLOCK_COUNT); + lfs_file_t file; + lfs_file_open(&lfs, &file, "test", + LFS_O_CREAT | LFS_O_EXCL | LFS_O_WRONLY) => 0; + lfs_file_write(&lfs, &file, "hello!", 6) => 6; + lfs_file_close(&lfs, &file) => 0; + lfs_unmount(&lfs) => 0; + + lfs_mount(&lfs, cfg) => 0; + lfs_fs_stat(&lfs, &fsinfo) => 0; + assert(fsinfo.block_size == BLOCK_SIZE); + assert(fsinfo.block_count == BLOCK_COUNT); + lfs_file_open(&lfs, &file, "test", LFS_O_RDONLY) => 0; + uint8_t buffer[256]; + lfs_file_read(&lfs, &file, buffer, sizeof(buffer)) => 6; + lfs_file_close(&lfs, &file) => 0; + assert(memcmp(buffer, "hello!", 6) == 0); + lfs_unmount(&lfs) => 0; +''' + +# mount with blocks fewer than the erase_count +[cases.test_superblocks_fewer_blocks] +defines.BLOCK_COUNT = ['ERASE_COUNT/2', 'ERASE_COUNT/4', '2'] +code = ''' + lfs_t lfs; + lfs_format(&lfs, cfg) => 0; + + // known block_size/block_count + cfg->block_size = BLOCK_SIZE; + cfg->block_count = BLOCK_COUNT; + lfs_mount(&lfs, cfg) => 0; + struct lfs_fsinfo fsinfo; + lfs_fs_stat(&lfs, &fsinfo) => 0; + assert(fsinfo.block_size == BLOCK_SIZE); + assert(fsinfo.block_count == BLOCK_COUNT); + lfs_unmount(&lfs) => 0; + + // incorrect block_count + cfg->block_size = BLOCK_SIZE; + cfg->block_count = ERASE_COUNT; + lfs_mount(&lfs, cfg) => LFS_ERR_INVAL; + + // unknown block_count + cfg->block_size = BLOCK_SIZE; + cfg->block_count = 0; + lfs_mount(&lfs, cfg) => 0; + lfs_fs_stat(&lfs, &fsinfo) => 0; + assert(fsinfo.block_size == BLOCK_SIZE); + assert(fsinfo.block_count == BLOCK_COUNT); + lfs_unmount(&lfs) => 0; + + // do some work + lfs_mount(&lfs, cfg) => 0; + lfs_fs_stat(&lfs, &fsinfo) => 0; + assert(fsinfo.block_size == BLOCK_SIZE); + assert(fsinfo.block_count == BLOCK_COUNT); + lfs_file_t file; + lfs_file_open(&lfs, &file, "test", + LFS_O_CREAT | LFS_O_EXCL | LFS_O_WRONLY) => 0; + lfs_file_write(&lfs, &file, "hello!", 6) => 6; + lfs_file_close(&lfs, &file) => 0; + lfs_unmount(&lfs) => 0; + + lfs_mount(&lfs, cfg) => 0; + lfs_fs_stat(&lfs, &fsinfo) => 0; + assert(fsinfo.block_size == BLOCK_SIZE); + assert(fsinfo.block_count == BLOCK_COUNT); + lfs_file_open(&lfs, &file, "test", LFS_O_RDONLY) => 0; + uint8_t buffer[256]; + lfs_file_read(&lfs, &file, buffer, sizeof(buffer)) => 6; + lfs_file_close(&lfs, &file) => 0; + assert(memcmp(buffer, "hello!", 6) == 0); + lfs_unmount(&lfs) => 0; +''' + +# mount with more blocks than the erase_count +[cases.test_superblocks_more_blocks] +defines.FORMAT_BLOCK_COUNT = '2*ERASE_COUNT' +in = 'lfs.c' +code = ''' + lfs_t lfs; + lfs_init(&lfs, cfg) => 0; + lfs.block_count = BLOCK_COUNT; + + lfs_mdir_t root = { + .pair = {0, 0}, // make sure this goes into block 0 + .rev = 0, + .off = sizeof(uint32_t), + .etag = 0xffffffff, + .count = 0, + .tail = {LFS_BLOCK_NULL, LFS_BLOCK_NULL}, + .erased = false, + .split = false, + }; + + lfs_superblock_t superblock = { + .version = LFS_DISK_VERSION, + .block_size = BLOCK_SIZE, + .block_count = FORMAT_BLOCK_COUNT, + .name_max = LFS_NAME_MAX, + .file_max = LFS_FILE_MAX, + .attr_max = LFS_ATTR_MAX, + }; + + lfs_superblock_tole32(&superblock); + lfs_dir_commit(&lfs, &root, LFS_MKATTRS( + {LFS_MKTAG(LFS_TYPE_CREATE, 0, 0), NULL}, + {LFS_MKTAG(LFS_TYPE_SUPERBLOCK, 0, 8), "littlefs"}, + {LFS_MKTAG(LFS_TYPE_INLINESTRUCT, 0, sizeof(superblock)), + &superblock})) => 0; + lfs_deinit(&lfs) => 0; + + // known block_size/block_count + cfg->block_size = BLOCK_SIZE; + cfg->block_count = BLOCK_COUNT; + lfs_mount(&lfs, cfg) => LFS_ERR_INVAL; +''' |