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tests: add tests for hbitmap_next_dirty_area

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Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2019-01-15 18:26:50 -05:00 committed by John Snow
parent a78a1a48cd
commit bb6a0ec10e
1 changed files with 107 additions and 0 deletions
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107
tests/test-hbitmap.c
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@ -1016,6 +1016,106 @@ static void test_hbitmap_next_zero_4(TestHBitmapData *data, const void *unused)
test_hbitmap_next_zero_do(data, 4);
}
static void test_hbitmap_next_dirty_area_check(TestHBitmapData *data,
uint64_t offset,
uint64_t count)
{
uint64_t off1, off2;
uint64_t len1 = 0, len2;
bool ret1, ret2;
int64_t end;
off1 = offset;
len1 = count;
ret1 = hbitmap_next_dirty_area(data->hb, &off1, &len1);
end = offset > data->size || data->size - offset < count ? data->size :
offset + count;
for (off2 = offset; off2 < end && !hbitmap_get(data->hb, off2); off2++) {
;
}
for (len2 = 1; off2 + len2 < end && hbitmap_get(data->hb, off2 + len2);
len2++) {
;
}
ret2 = off2 < end;
if (!ret2) {
/* leave unchanged */
off2 = offset;
len2 = count;
}
g_assert_cmpint(ret1, ==, ret2);
g_assert_cmpint(off1, ==, off2);
g_assert_cmpint(len1, ==, len2);
}
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, 1);
test_hbitmap_next_dirty_area_check(data, L3 - 1, 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, 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, 1);
test_hbitmap_next_dirty_area_check(data, L2 + 1, 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, L2 - 2, 8);
test_hbitmap_next_dirty_area_check(data, L2 + 1, 5);
test_hbitmap_next_dirty_area_check(data, L2 + 1, 3);
test_hbitmap_next_dirty_area_check(data, L2 + 4, L1);
test_hbitmap_next_dirty_area_check(data, L2 + 5, L1);
test_hbitmap_next_dirty_area_check(data, L2 + 7, L1);
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);
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, 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);
hbitmap_set(data->hb, 0, L3);
test_hbitmap_next_dirty_area_check(data, 0, UINT64_MAX);
}
static void test_hbitmap_next_dirty_area_0(TestHBitmapData *data,
const void *unused)
{
test_hbitmap_next_dirty_area_do(data, 0);
}
static void test_hbitmap_next_dirty_area_1(TestHBitmapData *data,
const void *unused)
{
test_hbitmap_next_dirty_area_do(data, 1);
}
static void test_hbitmap_next_dirty_area_4(TestHBitmapData *data,
const void *unused)
{
test_hbitmap_next_dirty_area_do(data, 4);
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
@ -1082,6 +1182,13 @@ int main(int argc, char **argv)
hbitmap_test_add("/hbitmap/next_zero/next_zero_4",
test_hbitmap_next_zero_4);
hbitmap_test_add("/hbitmap/next_dirty_area/next_dirty_area_0",
test_hbitmap_next_dirty_area_0);
hbitmap_test_add("/hbitmap/next_dirty_area/next_dirty_area_1",
test_hbitmap_next_dirty_area_1);
hbitmap_test_add("/hbitmap/next_dirty_area/next_dirty_area_4",
test_hbitmap_next_dirty_area_4);
g_test_run();
return 0;