[PATCH i-g-t v11 08/21] tests/sw_sync: Add subtest test_sync_merge_same

Robert Foss
2016-12-07T20:08:22Z

This subtest verifies merging a fence with itself does not fail.

Signed-off-by: Robert Foss <robert.foss@collabora.com>
Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
---
tests/sw_sync.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)

diff --git a/tests/sw_sync.c b/tests/sw_sync.c
index 7780c9e1..c0eade51 100644
--- a/tests/sw_sync.c
+++ b/tests/sw_sync.c
@@ -193,6 +193,30 @@ static void test_sync_merge(void)
close(timeline);
}

+static void test_sync_merge_same(void)
+{
+ int in_fence[2];
+ int timeline;
+ int signaled;
+
+ timeline = sw_sync_timeline_create();
+ in_fence[0] = sw_sync_fence_create(timeline, 1);
+ in_fence[1] = sync_merge(in_fence[0], in_fence[0]);
+
+ signaled = sync_fence_count_status(in_fence[0],
+ SW_SYNC_FENCE_STATUS_SIGNALED);
+ igt_assert_f(signaled == 0, "Fence signaled too early\n");
+
+ sw_sync_timeline_inc(timeline, 1);
+ signaled = sync_fence_count_status(in_fence[0],
+ SW_SYNC_FENCE_STATUS_SIGNALED);
+ igt_assert_f(signaled == 1, "Fence did not signal\n");
+
+ close(in_fence[0]);
+ close(in_fence[1]);
+ close(timeline);
+}
+
igt_main
{
igt_subtest("alloc_timeline")
@@ -212,5 +236,8 @@ igt_main

igt_subtest("sync_merge")
test_sync_merge();
+
+ igt_subtest("sync_merge_same")
+ test_sync_merge_same();