LXR linux/tools/testing/selftests/sync/sync

   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
  32int 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