diff options
author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2017-10-12 16:53:09 +0300 |
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committer | Jeff Cody <jcody@redhat.com> | 2017-12-18 10:54:13 -0500 |
commit | 56207df55ea546f3e72578a5920e68a346440b1a (patch) | |
tree | f3402035ecf937a994f7567663c54408e66939bf /tests | |
parent | 411ad78115ebeb3411cf4b7622784b93dfabe259 (diff) |
hbitmap: add next_zero function
The function searches for next zero bit.
Also add interface for BdrvDirtyBitmap and unit test.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20171012135313.227864-2-vsementsov@virtuozzo.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
Diffstat (limited to 'tests')
-rw-r--r-- | tests/test-hbitmap.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/tests/test-hbitmap.c b/tests/test-hbitmap.c index af41642346..9091c639b3 100644 --- a/tests/test-hbitmap.c +++ b/tests/test-hbitmap.c @@ -925,6 +925,61 @@ static void test_hbitmap_iter_and_reset(TestHBitmapData *data, hbitmap_iter_next(&hbi); } +static void test_hbitmap_next_zero_check(TestHBitmapData *data, int64_t start) +{ + int64_t ret1 = hbitmap_next_zero(data->hb, start); + int64_t ret2 = start; + for ( ; ret2 < data->size && hbitmap_get(data->hb, ret2); ret2++) { + ; + } + if (ret2 == data->size) { + ret2 = -1; + } + + g_assert_cmpint(ret1, ==, ret2); +} + +static void test_hbitmap_next_zero_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); + + 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); + + 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); + + 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); + + hbitmap_set(data->hb, 0, L3); + test_hbitmap_next_zero_check(data, 0); +} + +static void test_hbitmap_next_zero_0(TestHBitmapData *data, const void *unused) +{ + test_hbitmap_next_zero_do(data, 0); +} + +static void test_hbitmap_next_zero_4(TestHBitmapData *data, const void *unused) +{ + test_hbitmap_next_zero_do(data, 4); +} + int main(int argc, char **argv) { g_test_init(&argc, &argv, NULL); @@ -985,6 +1040,12 @@ 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); + g_test_run(); return 0; |