Christopher Haster
c5fec90465
It turns out statefulness works quite well with this algorithm (The prototype was in Haskell, which created some artificial problems. I think it may have just been too high-level a language for this near-instruction-level algorithm).
537 lines
18 KiB
TOML
537 lines
18 KiB
TOML
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# Test this inner rbyd data-structure
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[cases.test_rbyd_commit_fetch]
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in = 'lfs.c'
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defines.ERASE_VALUE = [0xff, 0x00, 0x1b, -1]
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code = '''
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lfs_t lfs;
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lfs_init(&lfs, cfg) => 0;
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lfs_rbyd_t rbyd_init = {
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.block = 0,
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.trunk = 0,
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.noff = 0,
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.rev = 1,
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.crc = 0,
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.count = 0,
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.erased = true,
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};
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// try an empty commit
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lfs_rbyd_t rbyd = rbyd_init;
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lfs_bd_erase(&lfs, rbyd.block) => 0;
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lfs_rbyd_commit(&lfs, &rbyd, NULL) => 0;
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lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
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// commit with one attribute
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rbyd = rbyd_init;
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lfs_bd_erase(&lfs, rbyd.block) => 0;
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lfs_rbyd_commit(&lfs, &rbyd,
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LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xaaaaaaaa}, 4, NULL)) => 0;
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lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
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// commit with two attributes
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rbyd = rbyd_init;
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lfs_bd_erase(&lfs, rbyd.block) => 0;
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lfs_rbyd_commit(&lfs, &rbyd,
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LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xaaaaaaaa}, 4,
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LFS_MKRATTR(GSTATE, 2, 0, &(uint32_t){0xbbbbbbbb}, 4,
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NULL))) => 0;
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lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
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'''
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[cases.test_rbyd_multi_commit_fetch]
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in = 'lfs.c'
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defines.ERASE_VALUE = [0xff, 0x00, 0x1b, -1]
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code = '''
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lfs_t lfs;
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lfs_init(&lfs, cfg) => 0;
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lfs_rbyd_t rbyd_init = {
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.block = 0,
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.trunk = 0,
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.noff = 0,
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.rev = 1,
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.crc = 0,
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.count = 0,
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.erased = true,
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};
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// try an empty commit
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lfs_rbyd_t rbyd = rbyd_init;
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lfs_bd_erase(&lfs, rbyd.block) => 0;
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lfs_rbyd_commit(&lfs, &rbyd, NULL) => 0;
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lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
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// commit with one attribute
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rbyd = rbyd_init;
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lfs_bd_erase(&lfs, rbyd.block) => 0;
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lfs_rbyd_commit(&lfs, &rbyd, NULL) => 0;
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lfs_rbyd_commit(&lfs, &rbyd,
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LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xaaaaaaaa}, 4, NULL)) => 0;
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lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
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// commit with two attributes
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rbyd = rbyd_init;
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lfs_bd_erase(&lfs, rbyd.block) => 0;
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lfs_rbyd_commit(&lfs, &rbyd,
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LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xaaaaaaaa}, 4, NULL)) => 0;
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lfs_rbyd_commit(&lfs, &rbyd,
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LFS_MKRATTR(GSTATE, 2, 0, &(uint32_t){0xbbbbbbbb}, 4, NULL)) => 0;
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lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
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'''
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[cases.test_rbyd_commit_lookup]
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in = 'lfs.c'
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defines.ERASE_VALUE = [0xff, 0x00, 0x1b, -1]
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code = '''
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lfs_t lfs;
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lfs_init(&lfs, cfg) => 0;
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lfs_rbyd_t rbyd_init = {
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.block = 0,
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.trunk = 0,
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.noff = 0,
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.rev = 1,
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.crc = 0,
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.count = 0,
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.erased = true,
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};
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// try an empty commit
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lfs_rbyd_t rbyd = rbyd_init;
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lfs_bd_erase(&lfs, rbyd.block) => 0;
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lfs_rbyd_commit(&lfs, &rbyd, NULL) => 0;
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// TODO test in-between lookups for consistently finding the next >= tag?
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lfs_off_t off;
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lfs_size_t size;
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lfs_rbyd_lookup(&lfs, &rbyd, 0, &off, &size)
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=> LFS_ERR_NOENT;
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
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=> LFS_ERR_NOENT;
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lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
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lfs_rbyd_lookup(&lfs, &rbyd, 0, &off, &size)
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=> LFS_ERR_NOENT;
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
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=> LFS_ERR_NOENT;
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// commit with one attribute
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rbyd = rbyd_init;
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lfs_bd_erase(&lfs, rbyd.block) => 0;
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lfs_rbyd_commit(&lfs, &rbyd,
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LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xaaaaaaaa}, 4, NULL)) => 0;
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lfs_rbyd_lookup(&lfs, &rbyd, 0, &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
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=> LFS_ERR_NOENT;
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lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
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lfs_rbyd_lookup(&lfs, &rbyd, 0, &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
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=> LFS_ERR_NOENT;
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// commit with two attributes
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rbyd = rbyd_init;
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lfs_bd_erase(&lfs, rbyd.block) => 0;
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lfs_rbyd_commit(&lfs, &rbyd,
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LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xaaaaaaaa}, 4,
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LFS_MKRATTR(GSTATE, 2, 0, &(uint32_t){0xbbbbbbbb}, 4,
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NULL))) => 0;
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lfs_rbyd_lookup(&lfs, &rbyd, 0, &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 2, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 3, 0), &off, &size)
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=> LFS_ERR_NOENT;
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lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
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lfs_rbyd_lookup(&lfs, &rbyd, 0, &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 2, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 3, 0), &off, &size)
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=> LFS_ERR_NOENT;
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'''
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# TODO we should make sure lookup always returns <= the requested tag,
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# this may require fixing in lfs_rbyd_commit to make sure the weights lean
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# one way
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[cases.test_rbyd_multi_commit_lookup]
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in = 'lfs.c'
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defines.ERASE_VALUE = [0xff, 0x00, 0x1b, -1]
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code = '''
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lfs_t lfs;
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lfs_init(&lfs, cfg) => 0;
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lfs_rbyd_t rbyd_init = {
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.block = 0,
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.trunk = 0,
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.noff = 0,
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.rev = 1,
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.crc = 0,
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.count = 0,
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.erased = true,
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};
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// try an empty commit
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lfs_rbyd_t rbyd = rbyd_init;
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lfs_bd_erase(&lfs, rbyd.block) => 0;
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lfs_rbyd_commit(&lfs, &rbyd, NULL) => 0;
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lfs_off_t off;
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lfs_size_t size;
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lfs_rbyd_lookup(&lfs, &rbyd, 0, &off, &size)
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=> LFS_ERR_NOENT;
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
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=> LFS_ERR_NOENT;
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lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
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// TODO move these extra checks (for 0, in-between, enoent) to other tests
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lfs_rbyd_lookup(&lfs, &rbyd, 0, &off, &size)
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=> LFS_ERR_NOENT;
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
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=> LFS_ERR_NOENT;
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// commit with one attribute
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rbyd = rbyd_init;
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lfs_bd_erase(&lfs, rbyd.block) => 0;
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lfs_rbyd_commit(&lfs, &rbyd,
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LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xaaaaaaaa}, 4, NULL)) => 0;
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lfs_rbyd_lookup(&lfs, &rbyd, 0, &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
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=> LFS_ERR_NOENT;
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lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
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lfs_rbyd_lookup(&lfs, &rbyd, 0, &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
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=> LFS_ERR_NOENT;
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// commit with two attributes
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rbyd = rbyd_init;
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lfs_bd_erase(&lfs, rbyd.block) => 0;
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lfs_rbyd_commit(&lfs, &rbyd,
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LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xaaaaaaaa}, 4, NULL)) => 0;
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lfs_rbyd_commit(&lfs, &rbyd,
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LFS_MKRATTR(GSTATE, 2, 0, &(uint32_t){0xbbbbbbbb}, 4, NULL)) => 0;
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lfs_rbyd_lookup(&lfs, &rbyd, 0, &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 2, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 3, 0), &off, &size)
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=> LFS_ERR_NOENT;
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lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
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lfs_rbyd_lookup(&lfs, &rbyd, 0, &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 2, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 3, 0), &off, &size)
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=> LFS_ERR_NOENT;
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'''
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# [cases.test_rbyd_commit_fetchmatch]
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# [cases.test_rbyd_multi_commit_fetchmatch]
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[cases.test_rbyd_bifoliate]
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in = 'lfs.c'
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defines.ERASE_VALUE = [0xff, 0x00, 0x1b, -1]
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code = '''
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lfs_t lfs;
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lfs_init(&lfs, cfg) => 0;
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lfs_rbyd_t rbyd_init = {
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.block = 0,
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.trunk = 0,
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.noff = 0,
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.rev = 1,
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.crc = 0,
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.count = 0,
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.erased = true,
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};
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// create a split in the leaves
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// <b
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// => .-'|
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// 1 1 2
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lfs_rbyd_t rbyd = rbyd_init;
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lfs_bd_erase(&lfs, rbyd.block) => 0;
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lfs_rbyd_commit(&lfs, &rbyd,
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LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xaaaaaaaa}, 4,
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LFS_MKRATTR(GSTATE, 2, 0, &(uint32_t){0xbbbbbbbb}, 4, NULL))) => 0;
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lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
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lfs_off_t off;
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lfs_size_t size;
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 2, 0);
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// split the other direction
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// >b
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// => .-'|
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// 2 2 1
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rbyd = rbyd_init;
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lfs_bd_erase(&lfs, rbyd.block) => 0;
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lfs_rbyd_commit(&lfs, &rbyd,
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LFS_MKRATTR(GSTATE, 2, 0, &(uint32_t){0xaaaaaaaa}, 4,
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LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xbbbbbbbb}, 4, NULL))) => 0;
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lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 2, 0);
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'''
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[cases.test_rbyd_bflips]
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in = 'lfs.c'
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defines.ERASE_VALUE = [0xff, 0x00, 0x1b, -1]
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code = '''
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lfs_t lfs;
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lfs_init(&lfs, cfg) => 0;
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lfs_rbyd_t rbyd_init = {
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.block = 0,
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.trunk = 0,
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.noff = 0,
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.rev = 1,
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.crc = 0,
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.count = 0,
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.erased = true,
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};
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// ignore a black edge
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// <b <b
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// .-'| => .----'|
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// 1 2 1 2 2
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lfs_rbyd_t rbyd = rbyd_init;
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lfs_bd_erase(&lfs, rbyd.block) => 0;
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lfs_rbyd_commit(&lfs, &rbyd,
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LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xaaaaaaaa}, 4,
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LFS_MKRATTR(GSTATE, 2, 0, &(uint32_t){0xbbbbbbbb}, 4,
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LFS_MKRATTR(GSTATE, 2, 0, &(uint32_t){0xcccccccc}, 4, NULL)))) => 0;
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lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
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lfs_off_t off;
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lfs_size_t size;
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 2, 0);
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// flip a black edge
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// <b >b
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// .-'| => .-'|
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// 1 2 1 2 1
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rbyd = rbyd_init;
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lfs_bd_erase(&lfs, rbyd.block) => 0;
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lfs_rbyd_commit(&lfs, &rbyd,
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LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xaaaaaaaa}, 4,
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LFS_MKRATTR(GSTATE, 2, 0, &(uint32_t){0xbbbbbbbb}, 4,
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LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xcccccccc}, 4, NULL)))) => 0;
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lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 1, 0);
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lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
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=> LFS_MKRTAG(GSTATE, 2, 0);
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'''
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[cases.test_rbyd_trifoliate]
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in = 'lfs.c'
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defines.ERASE_VALUE = [0xff, 0x00, 0x1b, -1]
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code = '''
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lfs_t lfs;
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lfs_init(&lfs, cfg) => 0;
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lfs_rbyd_t rbyd_init = {
|
|
.block = 0,
|
|
.trunk = 0,
|
|
.noff = 0,
|
|
.rev = 1,
|
|
.crc = 0,
|
|
.count = 0,
|
|
.erased = true,
|
|
};
|
|
|
|
// without a flip
|
|
// <r
|
|
// .----'|
|
|
// <b => | <b
|
|
// .-'| | .-'|
|
|
// 1 2 1 2 3
|
|
lfs_rbyd_t rbyd = rbyd_init;
|
|
lfs_bd_erase(&lfs, rbyd.block) => 0;
|
|
lfs_rbyd_commit(&lfs, &rbyd,
|
|
LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xaaaaaaaa}, 4,
|
|
LFS_MKRATTR(GSTATE, 2, 0, &(uint32_t){0xbbbbbbbb}, 4,
|
|
LFS_MKRATTR(GSTATE, 3, 0, &(uint32_t){0xcccccccc}, 4, NULL)))) => 0;
|
|
|
|
lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
|
|
lfs_off_t off;
|
|
lfs_size_t size;
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 1, 0);
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 2, 0);
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 3, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 3, 0);
|
|
|
|
// with a flip
|
|
// >r
|
|
// .-'|
|
|
// <b => | >b
|
|
// .-'| .--|-'|
|
|
// 2 3 2 3 1
|
|
rbyd = rbyd_init;
|
|
lfs_bd_erase(&lfs, rbyd.block) => 0;
|
|
lfs_rbyd_commit(&lfs, &rbyd,
|
|
LFS_MKRATTR(GSTATE, 2, 0, &(uint32_t){0xaaaaaaaa}, 4,
|
|
LFS_MKRATTR(GSTATE, 3, 0, &(uint32_t){0xbbbbbbbb}, 4,
|
|
LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xcccccccc}, 4, NULL)))) => 0;
|
|
|
|
lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 1, 0);
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 2, 0);
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 3, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 3, 0);
|
|
'''
|
|
|
|
|
|
[cases.test_rbyd_rflips]
|
|
in = 'lfs.c'
|
|
defines.ERASE_VALUE = [0xff, 0x00, 0x1b, -1]
|
|
code = '''
|
|
lfs_t lfs;
|
|
lfs_init(&lfs, cfg) => 0;
|
|
|
|
lfs_rbyd_t rbyd_init = {
|
|
.block = 0,
|
|
.trunk = 0,
|
|
.noff = 0,
|
|
.rev = 1,
|
|
.crc = 0,
|
|
.count = 0,
|
|
.erased = true,
|
|
};
|
|
|
|
// ignore a red edge and black edge
|
|
// <r <r
|
|
// .----'| .-------'|
|
|
// | <b => | <b
|
|
// | .-'| | .----'|
|
|
// 1 2 3 1 2 3 3
|
|
lfs_rbyd_t rbyd = rbyd_init;
|
|
lfs_bd_erase(&lfs, rbyd.block) => 0;
|
|
lfs_rbyd_commit(&lfs, &rbyd,
|
|
LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xaaaaaaaa}, 4,
|
|
LFS_MKRATTR(GSTATE, 2, 0, &(uint32_t){0xbbbbbbbb}, 4,
|
|
LFS_MKRATTR(GSTATE, 3, 0, &(uint32_t){0xcccccccc}, 4,
|
|
LFS_MKRATTR(GSTATE, 3, 0, &(uint32_t){0xdddddddd}, 4, NULL))))) => 0;
|
|
|
|
lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
|
|
lfs_off_t off;
|
|
lfs_size_t size;
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 1, 0);
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 2, 0);
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 3, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 3, 0);
|
|
|
|
// ignore a red edge, flip a black edge
|
|
// <r <r
|
|
// .----'| .-------'|
|
|
// | <b => | >b
|
|
// | .-'| | .-'|
|
|
// 1 2 3 1 2 3 2
|
|
rbyd = rbyd_init;
|
|
lfs_bd_erase(&lfs, rbyd.block) => 0;
|
|
lfs_rbyd_commit(&lfs, &rbyd,
|
|
LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xaaaaaaaa}, 4,
|
|
LFS_MKRATTR(GSTATE, 2, 0, &(uint32_t){0xbbbbbbbb}, 4,
|
|
LFS_MKRATTR(GSTATE, 3, 0, &(uint32_t){0xcccccccc}, 4,
|
|
LFS_MKRATTR(GSTATE, 2, 0, &(uint32_t){0xdddddddd}, 4, NULL))))) => 0;
|
|
|
|
lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 1, 0);
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 2, 0);
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 3, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 3, 0);
|
|
|
|
// flip a red edge and black edge
|
|
// <r >r
|
|
// .----'| .-'|
|
|
// | <b => | >b
|
|
// | .-'| .--|-'|
|
|
// 1 2 3 1 2 3 1
|
|
rbyd = rbyd_init;
|
|
lfs_bd_erase(&lfs, rbyd.block) => 0;
|
|
lfs_rbyd_commit(&lfs, &rbyd,
|
|
LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xaaaaaaaa}, 4,
|
|
LFS_MKRATTR(GSTATE, 2, 0, &(uint32_t){0xbbbbbbbb}, 4,
|
|
LFS_MKRATTR(GSTATE, 3, 0, &(uint32_t){0xcccccccc}, 4,
|
|
LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xdddddddd}, 4, NULL))))) => 0;
|
|
|
|
lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 1, 0);
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 2, 0);
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 3, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 3, 0);
|
|
|
|
// flip a red edge, ignore a black edge
|
|
// <r >r
|
|
// .-'| .-------'|
|
|
// | >b => | >b
|
|
// .--|-'| | .-'|
|
|
// 3 1 2 3 1 2 1
|
|
rbyd = rbyd_init;
|
|
lfs_bd_erase(&lfs, rbyd.block) => 0;
|
|
lfs_rbyd_commit(&lfs, &rbyd,
|
|
LFS_MKRATTR(GSTATE, 3, 0, &(uint32_t){0xaaaaaaaa}, 4,
|
|
LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xbbbbbbbb}, 4,
|
|
LFS_MKRATTR(GSTATE, 2, 0, &(uint32_t){0xcccccccc}, 4,
|
|
LFS_MKRATTR(GSTATE, 1, 0, &(uint32_t){0xdddddddd}, 4, NULL))))) => 0;
|
|
|
|
lfs_rbyd_fetch(&lfs, &rbyd, rbyd.block, NULL) => 0;
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 1, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 1, 0);
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 2, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 2, 0);
|
|
lfs_rbyd_lookup(&lfs, &rbyd, LFS_MKRTAG(GSTATE, 3, 0), &off, &size)
|
|
=> LFS_MKRTAG(GSTATE, 3, 0);
|
|
'''
|