xref: /linux/tools/testing/selftests/sync/sync_merge.c (revision 6fdcba32711044c35c0e1b094cbd8f3f0b4472c9)
1 /*
2  *  sync fence merge tests
3  *  Copyright 2015-2016 Collabora Ltd.
4  *
5  *  Based on the implementation from the Android Open Source Project,
6  *
7  *  Copyright 2012 Google, Inc
8  *
9  *  Permission is hereby granted, free of charge, to any person obtaining a
10  *  copy of this software and associated documentation files (the "Software"),
11  *  to deal in the Software without restriction, including without limitation
12  *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
13  *  and/or sell copies of the Software, and to permit persons to whom the
14  *  Software is furnished to do so, subject to the following conditions:
15  *
16  *  The above copyright notice and this permission notice shall be included in
17  *  all copies or substantial portions of the Software.
18  *
19  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20  *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21  *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22  *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
23  *  OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24  *  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25  *  OTHER DEALINGS IN THE SOFTWARE.
26  */
27 
28 #include "sync.h"
29 #include "sw_sync.h"
30 #include "synctest.h"
31 
32 int test_fence_merge_same_fence(void)
33 {
34 	int fence, valid, merged;
35 	int timeline = sw_sync_timeline_create();
36 
37 	valid = sw_sync_timeline_is_valid(timeline);
38 	ASSERT(valid, "Failure allocating timeline\n");
39 
40 	fence = sw_sync_fence_create(timeline, "allocFence", 5);
41 	valid = sw_sync_fence_is_valid(fence);
42 	ASSERT(valid, "Failure allocating fence\n");
43 
44 	merged = sync_merge("mergeFence", fence, fence);
45 	valid = sw_sync_fence_is_valid(fence);
46 	ASSERT(valid, "Failure merging fence\n");
47 
48 	ASSERT(sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED) == 0,
49 	       "fence signaled too early!\n");
50 
51 	sw_sync_timeline_inc(timeline, 5);
52 	ASSERT(sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED) == 1,
53 	       "fence did not signal!\n");
54 
55 	sw_sync_fence_destroy(merged);
56 	sw_sync_fence_destroy(fence);
57 	sw_sync_timeline_destroy(timeline);
58 
59 	return 0;
60 }
61