[Qemu-block] [PATCH v20 04/30] tests: add hbitmap iter test

[Vladimir Sementsov-Ogievskiy]

Test that hbitmap iter is resistant to bitmap resetting.

Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
Signed-off-by: Denis V. Lunev <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
Reviewed-by: John Snow <address@hidden>
---
 tests/test-hbitmap.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/tests/test-hbitmap.c b/tests/test-hbitmap.c
index 23773d2051..1acb353889 100644
--- a/tests/test-hbitmap.c
+++ b/tests/test-hbitmap.c
@@ -909,6 +909,22 @@ static void hbitmap_test_add(const char *testpath,
                hbitmap_test_teardown);
 }
 
+static void test_hbitmap_iter_and_reset(TestHBitmapData *data,
+                                        const void *unused)
+{
+    HBitmapIter hbi;
+
+    hbitmap_test_init(data, L1 * 2, 0);
+    hbitmap_set(data->hb, 0, data->size);
+
+    hbitmap_iter_init(&hbi, data->hb, BITS_PER_LONG - 1);
+
+    hbitmap_iter_next(&hbi);
+
+    hbitmap_reset_all(data->hb);
+    hbitmap_iter_next(&hbi);
+}
+
 int main(int argc, char **argv)
 {
     g_test_init(&argc, &argv, NULL);
@@ -966,6 +982,9 @@ int main(int argc, char **argv)
                      test_hbitmap_serialize_part);
     hbitmap_test_add("/hbitmap/serialize/zeroes",
                      test_hbitmap_serialize_zeroes);
+
+    hbitmap_test_add("/hbitmap/iter/iter_and_reset",
+                     test_hbitmap_iter_and_reset);
     g_test_run();
 
     return 0;
-- 
2.11.1