From 3f336fb2dbf569591917be5a01fa8f760fa8ee77 Mon Sep 17 00:00:00 2001 From: John Snow Date: Wed, 20 Mar 2019 21:48:30 +0100 Subject: [PATCH 037/163] tests: add tests for hbitmap_next_zero with specified end parameter RH-Author: John Snow Message-id: <20190320214838.22027-3-jsnow@redhat.com> Patchwork-id: 84994 O-Subject: [RHEL-7.7 qemu-kvm-rhev PATCH 02/10] tests: add tests for hbitmap_next_zero with specified end parameter Bugzilla: 1691048 RH-Acked-by: Stefan Hajnoczi RH-Acked-by: Max Reitz RH-Acked-by: Miroslav Rezanina From: Vladimir Sementsov-Ogievskiy Signed-off-by: Vladimir Sementsov-Ogievskiy (cherry picked from commit fa9c2da29404be9baeb7b8f88fed3cb232688cd9) Signed-off-by: John Snow Signed-off-by: Miroslav Rezanina --- tests/test-hbitmap.c | 32 ++++++++++++++++++++++++++++---- 1 file changed, 28 insertions(+), 4 deletions(-) diff --git a/tests/test-hbitmap.c b/tests/test-hbitmap.c index b04a45a..c0da31a 100644 --- a/tests/test-hbitmap.c +++ b/tests/test-hbitmap.c @@ -937,31 +937,49 @@ static void test_hbitmap_iter_and_reset(TestHBitmapData *data, check_hbitmap_iter_next(&hbi); } -static void test_hbitmap_next_zero_check(TestHBitmapData *data, int64_t start) +static void test_hbitmap_next_zero_check_range(TestHBitmapData *data, + uint64_t start, + uint64_t count) { - int64_t ret1 = hbitmap_next_zero(data->hb, start, UINT64_MAX); + int64_t ret1 = hbitmap_next_zero(data->hb, start, count); int64_t ret2 = start; - for ( ; ret2 < data->size && hbitmap_get(data->hb, ret2); ret2++) { + int64_t end = start >= data->size || data->size - start < count ? + data->size : start + count; + + for ( ; ret2 < end && hbitmap_get(data->hb, ret2); ret2++) { ; } - if (ret2 == data->size) { + if (ret2 == end) { ret2 = -1; } g_assert_cmpint(ret1, ==, ret2); } +static void test_hbitmap_next_zero_check(TestHBitmapData *data, int64_t start) +{ + test_hbitmap_next_zero_check_range(data, start, UINT64_MAX); +} + 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); + test_hbitmap_next_zero_check_range(data, 0, 1); + test_hbitmap_next_zero_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); hbitmap_set(data->hb, L2 + 5, L1); test_hbitmap_next_zero_check(data, 0); @@ -970,6 +988,10 @@ static void test_hbitmap_next_zero_do(TestHBitmapData *data, int granularity) 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); hbitmap_set(data->hb, L2 * 2, L3 - L2 * 2); test_hbitmap_next_zero_check(data, L2 * 2 - L1); @@ -977,6 +999,8 @@ static void test_hbitmap_next_zero_do(TestHBitmapData *data, int granularity) 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); hbitmap_set(data->hb, 0, L3); test_hbitmap_next_zero_check(data, 0); -- 1.8.3.1