} TestHBitmapData;
-static int64_t check_hbitmap_iter_next(HBitmapIter *hbi)
-{
- int next0, next1;
-
- next0 = hbitmap_iter_next(hbi, false);
- next1 = hbitmap_iter_next(hbi, true);
-
- g_assert_cmpint(next0, ==, next1);
-
- return next0;
-}
-
/* Check that the HBitmap and the shadow bitmap contain the same data,
* ignoring the same "first" bits.
*/
i = first;
for (;;) {
- next = check_hbitmap_iter_next(&hbi);
+ next = hbitmap_iter_next(&hbi);
if (next < 0) {
next = data->size;
}
/* Note that hbitmap_test_check has to be invoked manually in this test. */
hbitmap_test_init(data, 131072 << 7, 7);
hbitmap_iter_init(&hbi, data->hb, 0);
- g_assert_cmpint(check_hbitmap_iter_next(&hbi), <, 0);
+ g_assert_cmpint(hbitmap_iter_next(&hbi), <, 0);
hbitmap_test_set(data, ((L2 + L1 + 1) << 7) + 8, 8);
hbitmap_iter_init(&hbi, data->hb, 0);
- g_assert_cmpint(check_hbitmap_iter_next(&hbi), ==, (L2 + L1 + 1) << 7);
- g_assert_cmpint(check_hbitmap_iter_next(&hbi), <, 0);
+ g_assert_cmpint(hbitmap_iter_next(&hbi), ==, (L2 + L1 + 1) << 7);
+ g_assert_cmpint(hbitmap_iter_next(&hbi), <, 0);
hbitmap_iter_init(&hbi, data->hb, (L2 + L1 + 2) << 7);
- g_assert_cmpint(hbitmap_iter_next(&hbi, true), <, 0);
+ g_assert_cmpint(hbitmap_iter_next(&hbi), <, 0);
hbitmap_test_set(data, (131072 << 7) - 8, 8);
hbitmap_iter_init(&hbi, data->hb, 0);
- g_assert_cmpint(check_hbitmap_iter_next(&hbi), ==, (L2 + L1 + 1) << 7);
- g_assert_cmpint(check_hbitmap_iter_next(&hbi), ==, 131071 << 7);
- g_assert_cmpint(check_hbitmap_iter_next(&hbi), <, 0);
+ g_assert_cmpint(hbitmap_iter_next(&hbi), ==, (L2 + L1 + 1) << 7);
+ g_assert_cmpint(hbitmap_iter_next(&hbi), ==, 131071 << 7);
+ g_assert_cmpint(hbitmap_iter_next(&hbi), <, 0);
hbitmap_iter_init(&hbi, data->hb, (L2 + L1 + 2) << 7);
- g_assert_cmpint(check_hbitmap_iter_next(&hbi), ==, 131071 << 7);
- g_assert_cmpint(check_hbitmap_iter_next(&hbi), <, 0);
+ g_assert_cmpint(hbitmap_iter_next(&hbi), ==, 131071 << 7);
+ g_assert_cmpint(hbitmap_iter_next(&hbi), <, 0);
}
static void hbitmap_test_set_boundary_bits(TestHBitmapData *data, ssize_t diff)
for (i = 0; i < num_positions; i++) {
hbitmap_deserialize_zeroes(data->hb, positions[i], min_l1, true);
hbitmap_iter_init(&iter, data->hb, 0);
- next = check_hbitmap_iter_next(&iter);
+ next = hbitmap_iter_next(&iter);
if (i == num_positions - 1) {
g_assert_cmpint(next, ==, -1);
} else {
hbitmap_iter_init(&hbi, data->hb, BITS_PER_LONG - 1);
- check_hbitmap_iter_next(&hbi);
+ hbitmap_iter_next(&hbi);
hbitmap_reset_all(data->hb);
- check_hbitmap_iter_next(&hbi);
+ 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);
+ 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);
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);
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);
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);
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;
projects / mirror_qemu.git / blobdiff