From: Robert Foss <robert.foss@xxxxxxxxxxxxx>
This subtest verifies merging a fence with itself does not fail.
Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxxxxx>
Reviewed-by: Eric Engestrom <eric@xxxxxxxxxxxx>
---
tests/sw_sync.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/tests/sw_sync.c b/tests/sw_sync.c
index 528be4d..51aa025 100644
--- a/tests/sw_sync.c
+++ b/tests/sw_sync.c
@@ -179,6 +179,30 @@ 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")
@@ -198,5 +222,8 @@ igt_main
igt_subtest("sync_merge")
test_sync_merge();
+
+ igt_subtest("sync_merge_same")
+ test_sync_merge_same();
}
--
2.10.2
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