mirror of https://github.com/ARMmbed/mbed-os.git
121 lines
4.2 KiB
TOML
121 lines
4.2 KiB
TOML
[[case]] # orphan test
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in = "lfs2.c"
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if = 'LFS2_PROG_SIZE <= 0x3fe' # only works with one crc per commit
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code = '''
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lfs2_format(&lfs2, &cfg) => 0;
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lfs2_mount(&lfs2, &cfg) => 0;
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lfs2_mkdir(&lfs2, "parent") => 0;
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lfs2_mkdir(&lfs2, "parent/orphan") => 0;
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lfs2_mkdir(&lfs2, "parent/child") => 0;
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lfs2_remove(&lfs2, "parent/orphan") => 0;
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lfs2_unmount(&lfs2) => 0;
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// corrupt the child's most recent commit, this should be the update
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// to the linked-list entry, which should orphan the orphan. Note this
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// makes a lot of assumptions about the remove operation.
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lfs2_mount(&lfs2, &cfg) => 0;
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lfs2_dir_open(&lfs2, &dir, "parent/child") => 0;
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lfs2_block_t block = dir.m.pair[0];
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lfs2_dir_close(&lfs2, &dir) => 0;
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lfs2_unmount(&lfs2) => 0;
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uint8_t bbuffer[LFS2_BLOCK_SIZE];
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cfg.read(&cfg, block, 0, bbuffer, LFS2_BLOCK_SIZE) => 0;
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int off = LFS2_BLOCK_SIZE-1;
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while (off >= 0 && bbuffer[off] == LFS2_ERASE_VALUE) {
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off -= 1;
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}
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memset(&bbuffer[off-3], LFS2_BLOCK_SIZE, 3);
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cfg.erase(&cfg, block) => 0;
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cfg.prog(&cfg, block, 0, bbuffer, LFS2_BLOCK_SIZE) => 0;
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cfg.sync(&cfg) => 0;
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lfs2_mount(&lfs2, &cfg) => 0;
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lfs2_stat(&lfs2, "parent/orphan", &info) => LFS2_ERR_NOENT;
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lfs2_stat(&lfs2, "parent/child", &info) => 0;
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lfs2_fs_size(&lfs2) => 8;
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lfs2_unmount(&lfs2) => 0;
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lfs2_mount(&lfs2, &cfg) => 0;
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lfs2_stat(&lfs2, "parent/orphan", &info) => LFS2_ERR_NOENT;
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lfs2_stat(&lfs2, "parent/child", &info) => 0;
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lfs2_fs_size(&lfs2) => 8;
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// this mkdir should both create a dir and deorphan, so size
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// should be unchanged
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lfs2_mkdir(&lfs2, "parent/otherchild") => 0;
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lfs2_stat(&lfs2, "parent/orphan", &info) => LFS2_ERR_NOENT;
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lfs2_stat(&lfs2, "parent/child", &info) => 0;
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lfs2_stat(&lfs2, "parent/otherchild", &info) => 0;
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lfs2_fs_size(&lfs2) => 8;
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lfs2_unmount(&lfs2) => 0;
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lfs2_mount(&lfs2, &cfg) => 0;
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lfs2_stat(&lfs2, "parent/orphan", &info) => LFS2_ERR_NOENT;
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lfs2_stat(&lfs2, "parent/child", &info) => 0;
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lfs2_stat(&lfs2, "parent/otherchild", &info) => 0;
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lfs2_fs_size(&lfs2) => 8;
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lfs2_unmount(&lfs2) => 0;
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'''
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[[case]] # reentrant testing for orphans, basically just spam mkdir/remove
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reentrant = true
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# TODO fix this case, caused by non-DAG trees
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if = '!(DEPTH == 3 && LFS2_CACHE_SIZE != 64)'
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define = [
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{FILES=6, DEPTH=1, CYCLES=20},
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{FILES=26, DEPTH=1, CYCLES=20},
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{FILES=3, DEPTH=3, CYCLES=20},
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]
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code = '''
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err = lfs2_mount(&lfs2, &cfg);
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if (err) {
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lfs2_format(&lfs2, &cfg) => 0;
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lfs2_mount(&lfs2, &cfg) => 0;
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}
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srand(1);
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const char alpha[] = "abcdefghijklmnopqrstuvwxyz";
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for (int i = 0; i < CYCLES; i++) {
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// create random path
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char full_path[256];
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for (int d = 0; d < DEPTH; d++) {
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sprintf(&full_path[2*d], "/%c", alpha[rand() % FILES]);
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}
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// if it does not exist, we create it, else we destroy
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int res = lfs2_stat(&lfs2, full_path, &info);
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if (res == LFS2_ERR_NOENT) {
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// create each directory in turn, ignore if dir already exists
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for (int d = 0; d < DEPTH; d++) {
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strcpy(path, full_path);
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path[2*d+2] = '\0';
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err = lfs2_mkdir(&lfs2, path);
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assert(!err || err == LFS2_ERR_EXIST);
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}
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for (int d = 0; d < DEPTH; d++) {
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strcpy(path, full_path);
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path[2*d+2] = '\0';
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lfs2_stat(&lfs2, path, &info) => 0;
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assert(strcmp(info.name, &path[2*d+1]) == 0);
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assert(info.type == LFS2_TYPE_DIR);
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}
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} else {
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// is valid dir?
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assert(strcmp(info.name, &full_path[2*(DEPTH-1)+1]) == 0);
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assert(info.type == LFS2_TYPE_DIR);
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// try to delete path in reverse order, ignore if dir is not empty
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for (int d = DEPTH-1; d >= 0; d--) {
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strcpy(path, full_path);
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path[2*d+2] = '\0';
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err = lfs2_remove(&lfs2, path);
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assert(!err || err == LFS2_ERR_NOTEMPTY);
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}
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lfs2_stat(&lfs2, full_path, &info) => LFS2_ERR_NOENT;
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}
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}
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lfs2_unmount(&lfs2) => 0;
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'''
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