[PATCH i-g-t v4 12/13] tests/sw_sync: Add subtest test_sync_multi_timeline_wait

[robert.foss@collabora.com]

From: Robert Foss <robert.foss@collabora.com>

This subtest verifies that waiting, timing out on a wait and that counting
fences in various states works.

Signed-off-by: Robert Foss <robert.foss@collabora.com>
Reviewed-by: Eric Engestrom <eric@engestrom.ch>
---
 tests/sw_sync.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/tests/sw_sync.c b/tests/sw_sync.c
index bd86111..9ec2dc2 100644
--- a/tests/sw_sync.c
+++ b/tests/sw_sync.c
@@ -215,6 +215,69 @@ static void test_sync_merge_same(void)
 	close(timeline);
 }
 
+static void test_sync_multi_timeline_wait(void)
+{
+	int timeline[3];
+	int in_fence[3];
+	int fence_merge;
+	int active, signaled, ret;
+
+	timeline[0] = sw_sync_timeline_create();
+	timeline[1] = sw_sync_timeline_create();
+	timeline[2] = sw_sync_timeline_create();
+
+	in_fence[0] = sw_sync_fence_create(timeline[0], 5);
+	in_fence[1] = sw_sync_fence_create(timeline[1], 5);
+	in_fence[2] = sw_sync_fence_create(timeline[2], 5);
+
+	fence_merge = sw_sync_merge(in_fence[0], in_fence[1]);
+	fence_merge = sw_sync_merge(in_fence[2], fence_merge);
+
+	/* Confirm fence isn't signaled */
+	active = sw_sync_fence_count_status(fence_merge,
+					    SW_SYNC_FENCE_STATUS_ACTIVE);
+	igt_assert_f(active == 3, "Fence signaled too early\n");
+
+	ret = sw_sync_wait(fence_merge, 0);
+	igt_assert_f(ret == 0, "Failure waiting on fence until timeout\n");
+
+	sw_sync_timeline_inc(timeline[0], 5);
+	active = sw_sync_fence_count_status(fence_merge,
+					    SW_SYNC_FENCE_STATUS_ACTIVE);
+	signaled = sw_sync_fence_count_status(fence_merge,
+					      SW_SYNC_FENCE_STATUS_SIGNALED);
+	igt_assert_f(active == 2 && signaled == 1,
+		    "Fence did not signal properly\n");
+
+	sw_sync_timeline_inc(timeline[1], 5);
+	active = sw_sync_fence_count_status(fence_merge,
+					    SW_SYNC_FENCE_STATUS_ACTIVE);
+	signaled = sw_sync_fence_count_status(fence_merge,
+					      SW_SYNC_FENCE_STATUS_SIGNALED);
+	igt_assert_f(active == 1 && signaled == 2,
+		    "Fence did not signal properly\n");
+
+	sw_sync_timeline_inc(timeline[2], 5);
+	active = sw_sync_fence_count_status(fence_merge,
+					    SW_SYNC_FENCE_STATUS_ACTIVE);
+	signaled = sw_sync_fence_count_status(fence_merge,
+					      SW_SYNC_FENCE_STATUS_SIGNALED);
+	igt_assert_f(active == 0 && signaled == 3,
+		     "Fence did not signal properly\n");
+
+	/* confirm you can successfully wait */
+	ret = sw_sync_wait(fence_merge, 100);
+	igt_assert_f(ret > 0, "Failure waiting on signaled fence\n");
+
+	close(in_fence[0]);
+	close(in_fence[1]);
+	close(in_fence[2]);
+	close(fence_merge);
+	close(timeline[0]);
+	close(timeline[1]);
+	close(timeline[2]);
+}
+
 static void * test_sync_multi_consumer_thread(void *arg)
 {
 	data_t *data = arg;
@@ -477,6 +540,9 @@ igt_main
 	igt_subtest("sync_merge_same")
 		test_sync_merge_same();
 
+	igt_subtest("sync_multi_timeline_wait")
+		test_sync_multi_timeline_wait();
+
 	igt_subtest("sync_multi_consumer")
 		test_sync_multi_consumer();
 
-- 
2.9.3

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