diff options
Diffstat (limited to 'tests/test-hbitmap.c')
| -rw-r--r-- | tests/test-hbitmap.c | 314 |
1 files changed, 114 insertions, 200 deletions
diff --git a/tests/test-hbitmap.c b/tests/test-hbitmap.c index e1f867085f..b6726cf76b 100644 --- a/tests/test-hbitmap.c +++ b/tests/test-hbitmap.c @@ -22,7 +22,6 @@ typedef struct TestHBitmapData { HBitmap *hb; - HBitmap *meta; unsigned long *bits; size_t size; size_t old_size; @@ -94,14 +93,6 @@ static void hbitmap_test_init(TestHBitmapData *data, } } -static void hbitmap_test_init_meta(TestHBitmapData *data, - uint64_t size, int granularity, - int meta_chunk) -{ - hbitmap_test_init(data, size, granularity); - data->meta = hbitmap_create_meta(data->hb, meta_chunk); -} - static inline size_t hbitmap_test_array_size(size_t bits) { size_t n = DIV_ROUND_UP(bits, BITS_PER_LONG); @@ -144,9 +135,6 @@ static void hbitmap_test_teardown(TestHBitmapData *data, const void *unused) { if (data->hb) { - if (data->meta) { - hbitmap_free_meta(data->hb); - } hbitmap_free(data->hb); data->hb = NULL; } @@ -648,96 +636,6 @@ static void test_hbitmap_truncate_shrink_large(TestHBitmapData *data, hbitmap_test_truncate(data, size, -diff, 0); } -static void hbitmap_check_meta(TestHBitmapData *data, - int64_t start, int count) -{ - int64_t i; - - for (i = 0; i < data->size; i++) { - if (i >= start && i < start + count) { - g_assert(hbitmap_get(data->meta, i)); - } else { - g_assert(!hbitmap_get(data->meta, i)); - } - } -} - -static void hbitmap_test_meta(TestHBitmapData *data, - int64_t start, int count, - int64_t check_start, int check_count) -{ - hbitmap_reset_all(data->hb); - hbitmap_reset_all(data->meta); - - /* Test "unset" -> "unset" will not update meta. */ - hbitmap_reset(data->hb, start, count); - hbitmap_check_meta(data, 0, 0); - - /* Test "unset" -> "set" will update meta */ - hbitmap_set(data->hb, start, count); - hbitmap_check_meta(data, check_start, check_count); - - /* Test "set" -> "set" will not update meta */ - hbitmap_reset_all(data->meta); - hbitmap_set(data->hb, start, count); - hbitmap_check_meta(data, 0, 0); - - /* Test "set" -> "unset" will update meta */ - hbitmap_reset_all(data->meta); - hbitmap_reset(data->hb, start, count); - hbitmap_check_meta(data, check_start, check_count); -} - -static void hbitmap_test_meta_do(TestHBitmapData *data, int chunk_size) -{ - uint64_t size = chunk_size * 100; - hbitmap_test_init_meta(data, size, 0, chunk_size); - - hbitmap_test_meta(data, 0, 1, 0, chunk_size); - hbitmap_test_meta(data, 0, chunk_size, 0, chunk_size); - hbitmap_test_meta(data, chunk_size - 1, 1, 0, chunk_size); - hbitmap_test_meta(data, chunk_size - 1, 2, 0, chunk_size * 2); - hbitmap_test_meta(data, chunk_size - 1, chunk_size + 1, 0, chunk_size * 2); - hbitmap_test_meta(data, chunk_size - 1, chunk_size + 2, 0, chunk_size * 3); - hbitmap_test_meta(data, 7 * chunk_size - 1, chunk_size + 2, - 6 * chunk_size, chunk_size * 3); - hbitmap_test_meta(data, size - 1, 1, size - chunk_size, chunk_size); - hbitmap_test_meta(data, 0, size, 0, size); -} - -static void test_hbitmap_meta_byte(TestHBitmapData *data, const void *unused) -{ - hbitmap_test_meta_do(data, BITS_PER_BYTE); -} - -static void test_hbitmap_meta_word(TestHBitmapData *data, const void *unused) -{ - hbitmap_test_meta_do(data, BITS_PER_LONG); -} - -static void test_hbitmap_meta_sector(TestHBitmapData *data, const void *unused) -{ - hbitmap_test_meta_do(data, BDRV_SECTOR_SIZE * BITS_PER_BYTE); -} - -/** - * Create an HBitmap and test set/unset. - */ -static void test_hbitmap_meta_one(TestHBitmapData *data, const void *unused) -{ - int i; - int64_t offsets[] = { - 0, 1, L1 - 1, L1, L1 + 1, L2 - 1, L2, L2 + 1, L3 - 1, L3, L3 + 1 - }; - - hbitmap_test_init_meta(data, L3 * 2, 0, 1); - for (i = 0; i < ARRAY_SIZE(offsets); i++) { - hbitmap_test_meta(data, offsets[i], 1, offsets[i], 1); - hbitmap_test_meta(data, offsets[i], L1, offsets[i], L1); - hbitmap_test_meta(data, offsets[i], L2, offsets[i], L2); - } -} - static void test_hbitmap_serialize_align(TestHBitmapData *data, const void *unused) { @@ -750,13 +648,6 @@ static void test_hbitmap_serialize_align(TestHBitmapData *data, g_assert_cmpint(r, ==, 64 << 3); } -static void test_hbitmap_meta_zero(TestHBitmapData *data, const void *unused) -{ - hbitmap_test_init_meta(data, 0, 0, 1); - - hbitmap_check_meta(data, 0, 0); -} - static void hbitmap_test_serialize_range(TestHBitmapData *data, uint8_t *buf, size_t buf_size, uint64_t pos, uint64_t count) @@ -925,106 +816,123 @@ static void test_hbitmap_iter_and_reset(TestHBitmapData *data, hbitmap_iter_next(&hbi); } -static void test_hbitmap_next_zero_check_range(TestHBitmapData *data, - uint64_t start, - uint64_t count) +static void test_hbitmap_next_x_check_range(TestHBitmapData *data, + int64_t start, + int64_t count) { - int64_t ret1 = hbitmap_next_zero(data->hb, start, count); - int64_t ret2 = start; + int64_t next_zero = hbitmap_next_zero(data->hb, start, count); + int64_t next_dirty = hbitmap_next_dirty(data->hb, start, count); + int64_t next; int64_t end = start >= data->size || data->size - start < count ? data->size : start + count; + bool first_bit = hbitmap_get(data->hb, start); - for ( ; ret2 < end && hbitmap_get(data->hb, ret2); ret2++) { + for (next = start; + next < end && hbitmap_get(data->hb, next) == first_bit; + next++) + { ; } - if (ret2 == end) { - ret2 = -1; + + if (next == end) { + next = -1; } - g_assert_cmpint(ret1, ==, ret2); + g_assert_cmpint(next_dirty, ==, first_bit ? start : next); + g_assert_cmpint(next_zero, ==, first_bit ? next : start); } -static void test_hbitmap_next_zero_check(TestHBitmapData *data, int64_t start) +static void test_hbitmap_next_x_check(TestHBitmapData *data, int64_t start) { - test_hbitmap_next_zero_check_range(data, start, UINT64_MAX); + test_hbitmap_next_x_check_range(data, start, INT64_MAX); } -static void test_hbitmap_next_zero_do(TestHBitmapData *data, int granularity) +static void test_hbitmap_next_x_do(TestHBitmapData *data, int granularity) { hbitmap_test_init(data, L3, granularity); - test_hbitmap_next_zero_check(data, 0); - test_hbitmap_next_zero_check(data, L3 - 1); - test_hbitmap_next_zero_check_range(data, 0, 1); - test_hbitmap_next_zero_check_range(data, L3 - 1, 1); + test_hbitmap_next_x_check(data, 0); + test_hbitmap_next_x_check(data, L3 - 1); + test_hbitmap_next_x_check_range(data, 0, 1); + test_hbitmap_next_x_check_range(data, L3 - 1, 1); hbitmap_set(data->hb, L2, 1); - test_hbitmap_next_zero_check(data, 0); - test_hbitmap_next_zero_check(data, L2 - 1); - test_hbitmap_next_zero_check(data, L2); - test_hbitmap_next_zero_check(data, L2 + 1); - test_hbitmap_next_zero_check_range(data, 0, 1); - test_hbitmap_next_zero_check_range(data, 0, L2); - test_hbitmap_next_zero_check_range(data, L2 - 1, 1); - test_hbitmap_next_zero_check_range(data, L2 - 1, 2); - test_hbitmap_next_zero_check_range(data, L2, 1); - test_hbitmap_next_zero_check_range(data, L2 + 1, 1); + test_hbitmap_next_x_check(data, 0); + test_hbitmap_next_x_check(data, L2 - 1); + test_hbitmap_next_x_check(data, L2); + test_hbitmap_next_x_check(data, L2 + 1); + test_hbitmap_next_x_check_range(data, 0, 1); + test_hbitmap_next_x_check_range(data, 0, L2); + test_hbitmap_next_x_check_range(data, L2 - 1, 1); + test_hbitmap_next_x_check_range(data, L2 - 1, 2); + test_hbitmap_next_x_check_range(data, L2, 1); + test_hbitmap_next_x_check_range(data, L2 + 1, 1); hbitmap_set(data->hb, L2 + 5, L1); - test_hbitmap_next_zero_check(data, 0); - test_hbitmap_next_zero_check(data, L2 + 1); - test_hbitmap_next_zero_check(data, L2 + 2); - test_hbitmap_next_zero_check(data, L2 + 5); - test_hbitmap_next_zero_check(data, L2 + L1 - 1); - test_hbitmap_next_zero_check(data, L2 + L1); - test_hbitmap_next_zero_check_range(data, L2, 6); - test_hbitmap_next_zero_check_range(data, L2 + 1, 3); - test_hbitmap_next_zero_check_range(data, L2 + 4, L1); - test_hbitmap_next_zero_check_range(data, L2 + 5, L1); + test_hbitmap_next_x_check(data, 0); + test_hbitmap_next_x_check(data, L2 - L1); + test_hbitmap_next_x_check(data, L2 + 1); + test_hbitmap_next_x_check(data, L2 + 2); + test_hbitmap_next_x_check(data, L2 + 5); + test_hbitmap_next_x_check(data, L2 + L1 - 1); + test_hbitmap_next_x_check(data, L2 + L1); + test_hbitmap_next_x_check(data, L2 + L1 + 1); + test_hbitmap_next_x_check_range(data, L2 - 2, L1); + test_hbitmap_next_x_check_range(data, L2, 4); + test_hbitmap_next_x_check_range(data, L2, 6); + test_hbitmap_next_x_check_range(data, L2 + 1, 3); + test_hbitmap_next_x_check_range(data, L2 + 4, L1); + test_hbitmap_next_x_check_range(data, L2 + 5, L1); + test_hbitmap_next_x_check_range(data, L2 + 5 + L1 - 1, 1); + test_hbitmap_next_x_check_range(data, L2 + 5 + L1, 1); + test_hbitmap_next_x_check_range(data, L2 + 5 + L1 + 1, 1); hbitmap_set(data->hb, L2 * 2, L3 - L2 * 2); - test_hbitmap_next_zero_check(data, L2 * 2 - L1); - test_hbitmap_next_zero_check(data, L2 * 2 - 2); - test_hbitmap_next_zero_check(data, L2 * 2 - 1); - test_hbitmap_next_zero_check(data, L2 * 2); - test_hbitmap_next_zero_check(data, L3 - 1); - test_hbitmap_next_zero_check_range(data, L2 * 2 - L1, L1 + 1); - test_hbitmap_next_zero_check_range(data, L2 * 2, L2); + test_hbitmap_next_x_check(data, L2 * 2 - L1); + test_hbitmap_next_x_check(data, L2 * 2 - 2); + test_hbitmap_next_x_check(data, L2 * 2 - 1); + test_hbitmap_next_x_check(data, L2 * 2); + test_hbitmap_next_x_check(data, L2 * 2 + 1); + test_hbitmap_next_x_check(data, L2 * 2 + L1); + test_hbitmap_next_x_check(data, L3 - 1); + test_hbitmap_next_x_check_range(data, L2 * 2 - L1, L1 + 1); + test_hbitmap_next_x_check_range(data, L2 * 2, L2); hbitmap_set(data->hb, 0, L3); - test_hbitmap_next_zero_check(data, 0); + test_hbitmap_next_x_check(data, 0); } -static void test_hbitmap_next_zero_0(TestHBitmapData *data, const void *unused) +static void test_hbitmap_next_x_0(TestHBitmapData *data, const void *unused) { - test_hbitmap_next_zero_do(data, 0); + test_hbitmap_next_x_do(data, 0); } -static void test_hbitmap_next_zero_4(TestHBitmapData *data, const void *unused) +static void test_hbitmap_next_x_4(TestHBitmapData *data, const void *unused) { - test_hbitmap_next_zero_do(data, 4); + test_hbitmap_next_x_do(data, 4); } -static void test_hbitmap_next_zero_after_truncate(TestHBitmapData *data, - const void *unused) +static void test_hbitmap_next_x_after_truncate(TestHBitmapData *data, + const void *unused) { hbitmap_test_init(data, L1, 0); hbitmap_test_truncate_impl(data, L1 * 2); hbitmap_set(data->hb, 0, L1); - test_hbitmap_next_zero_check(data, 0); + test_hbitmap_next_x_check(data, 0); } -static void test_hbitmap_next_dirty_area_check(TestHBitmapData *data, - uint64_t offset, - uint64_t count) +static void test_hbitmap_next_dirty_area_check_limited(TestHBitmapData *data, + int64_t offset, + int64_t count, + int64_t max_dirty) { - uint64_t off1, off2; - uint64_t len1 = 0, len2; + int64_t off1, off2; + int64_t len1 = 0, len2; bool ret1, ret2; int64_t end; - off1 = offset; - len1 = count; - ret1 = hbitmap_next_dirty_area(data->hb, &off1, &len1); + ret1 = hbitmap_next_dirty_area(data->hb, + offset, count == INT64_MAX ? INT64_MAX : offset + count, max_dirty, + &off1, &len1); end = offset > data->size || data->size - offset < count ? data->size : offset + count; @@ -1033,45 +941,52 @@ static void test_hbitmap_next_dirty_area_check(TestHBitmapData *data, ; } - for (len2 = 1; off2 + len2 < end && hbitmap_get(data->hb, off2 + len2); - len2++) { + for (len2 = 1; (off2 + len2 < end && len2 < max_dirty && + hbitmap_get(data->hb, off2 + len2)); len2++) + { ; } ret2 = off2 < end; - if (!ret2) { - /* leave unchanged */ - off2 = offset; - len2 = count; + g_assert_cmpint(ret1, ==, ret2); + + if (ret2) { + g_assert_cmpint(off1, ==, off2); + g_assert_cmpint(len1, ==, len2); } +} - g_assert_cmpint(ret1, ==, ret2); - g_assert_cmpint(off1, ==, off2); - g_assert_cmpint(len1, ==, len2); +static void test_hbitmap_next_dirty_area_check(TestHBitmapData *data, + int64_t offset, int64_t count) +{ + test_hbitmap_next_dirty_area_check_limited(data, offset, count, INT64_MAX); } static void test_hbitmap_next_dirty_area_do(TestHBitmapData *data, int granularity) { hbitmap_test_init(data, L3, granularity); - test_hbitmap_next_dirty_area_check(data, 0, UINT64_MAX); + test_hbitmap_next_dirty_area_check(data, 0, INT64_MAX); test_hbitmap_next_dirty_area_check(data, 0, 1); test_hbitmap_next_dirty_area_check(data, L3 - 1, 1); + test_hbitmap_next_dirty_area_check_limited(data, 0, INT64_MAX, 1); hbitmap_set(data->hb, L2, 1); test_hbitmap_next_dirty_area_check(data, 0, 1); test_hbitmap_next_dirty_area_check(data, 0, L2); - test_hbitmap_next_dirty_area_check(data, 0, UINT64_MAX); - test_hbitmap_next_dirty_area_check(data, L2 - 1, UINT64_MAX); + test_hbitmap_next_dirty_area_check(data, 0, INT64_MAX); + test_hbitmap_next_dirty_area_check(data, L2 - 1, INT64_MAX); test_hbitmap_next_dirty_area_check(data, L2 - 1, 1); test_hbitmap_next_dirty_area_check(data, L2 - 1, 2); test_hbitmap_next_dirty_area_check(data, L2 - 1, 3); - test_hbitmap_next_dirty_area_check(data, L2, UINT64_MAX); + test_hbitmap_next_dirty_area_check(data, L2, INT64_MAX); test_hbitmap_next_dirty_area_check(data, L2, 1); test_hbitmap_next_dirty_area_check(data, L2 + 1, 1); + test_hbitmap_next_dirty_area_check_limited(data, 0, INT64_MAX, 1); + test_hbitmap_next_dirty_area_check_limited(data, L2 - 1, 2, 1); hbitmap_set(data->hb, L2 + 5, L1); - test_hbitmap_next_dirty_area_check(data, 0, UINT64_MAX); + test_hbitmap_next_dirty_area_check(data, 0, INT64_MAX); test_hbitmap_next_dirty_area_check(data, L2 - 2, 8); test_hbitmap_next_dirty_area_check(data, L2 + 1, 5); test_hbitmap_next_dirty_area_check(data, L2 + 1, 3); @@ -1081,18 +996,23 @@ static void test_hbitmap_next_dirty_area_do(TestHBitmapData *data, test_hbitmap_next_dirty_area_check(data, L2 + L1, L1); test_hbitmap_next_dirty_area_check(data, L2, 0); test_hbitmap_next_dirty_area_check(data, L2 + 1, 0); + test_hbitmap_next_dirty_area_check_limited(data, L2 + 3, INT64_MAX, 3); + test_hbitmap_next_dirty_area_check_limited(data, L2 + 3, 7, 10); hbitmap_set(data->hb, L2 * 2, L3 - L2 * 2); - test_hbitmap_next_dirty_area_check(data, 0, UINT64_MAX); - test_hbitmap_next_dirty_area_check(data, L2, UINT64_MAX); - test_hbitmap_next_dirty_area_check(data, L2 + 1, UINT64_MAX); - test_hbitmap_next_dirty_area_check(data, L2 + 5 + L1 - 1, UINT64_MAX); + test_hbitmap_next_dirty_area_check(data, 0, INT64_MAX); + test_hbitmap_next_dirty_area_check(data, L2, INT64_MAX); + test_hbitmap_next_dirty_area_check(data, L2 + 1, INT64_MAX); + test_hbitmap_next_dirty_area_check(data, L2 + 5 + L1 - 1, INT64_MAX); test_hbitmap_next_dirty_area_check(data, L2 + 5 + L1, 5); test_hbitmap_next_dirty_area_check(data, L2 * 2 - L1, L1 + 1); test_hbitmap_next_dirty_area_check(data, L2 * 2, L2); + test_hbitmap_next_dirty_area_check_limited(data, L2 * 2 + 1, INT64_MAX, 5); + test_hbitmap_next_dirty_area_check_limited(data, L2 * 2 + 1, 10, 5); + test_hbitmap_next_dirty_area_check_limited(data, L2 * 2 + 1, 2, 5); hbitmap_set(data->hb, 0, L3); - test_hbitmap_next_dirty_area_check(data, 0, UINT64_MAX); + test_hbitmap_next_dirty_area_check(data, 0, INT64_MAX); } static void test_hbitmap_next_dirty_area_0(TestHBitmapData *data, @@ -1119,7 +1039,7 @@ static void test_hbitmap_next_dirty_area_after_truncate(TestHBitmapData *data, hbitmap_test_init(data, L1, 0); hbitmap_test_truncate_impl(data, L1 * 2); hbitmap_set(data->hb, L1 + 1, 1); - test_hbitmap_next_dirty_area_check(data, 0, UINT64_MAX); + test_hbitmap_next_dirty_area_check(data, 0, INT64_MAX); } int main(int argc, char **argv) @@ -1165,12 +1085,6 @@ int main(int argc, char **argv) hbitmap_test_add("/hbitmap/truncate/shrink/large", test_hbitmap_truncate_shrink_large); - hbitmap_test_add("/hbitmap/meta/zero", test_hbitmap_meta_zero); - hbitmap_test_add("/hbitmap/meta/one", test_hbitmap_meta_one); - hbitmap_test_add("/hbitmap/meta/byte", test_hbitmap_meta_byte); - hbitmap_test_add("/hbitmap/meta/word", test_hbitmap_meta_word); - hbitmap_test_add("/hbitmap/meta/sector", test_hbitmap_meta_sector); - hbitmap_test_add("/hbitmap/serialize/align", test_hbitmap_serialize_align); hbitmap_test_add("/hbitmap/serialize/basic", @@ -1183,12 +1097,12 @@ int main(int argc, char **argv) hbitmap_test_add("/hbitmap/iter/iter_and_reset", test_hbitmap_iter_and_reset); - hbitmap_test_add("/hbitmap/next_zero/next_zero_0", - test_hbitmap_next_zero_0); - hbitmap_test_add("/hbitmap/next_zero/next_zero_4", - test_hbitmap_next_zero_4); - hbitmap_test_add("/hbitmap/next_zero/next_zero_after_truncate", - test_hbitmap_next_zero_after_truncate); + hbitmap_test_add("/hbitmap/next_zero/next_x_0", + test_hbitmap_next_x_0); + hbitmap_test_add("/hbitmap/next_zero/next_x_4", + test_hbitmap_next_x_4); + hbitmap_test_add("/hbitmap/next_zero/next_x_after_truncate", + test_hbitmap_next_x_after_truncate); hbitmap_test_add("/hbitmap/next_dirty_area/next_dirty_area_0", test_hbitmap_next_dirty_area_0); |