third_party/WebKit/Source/platform/animation/CompositorAnimationTimelineTest.cpp

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "platform/animation/CompositorAnimationTimeline.h"

#include "base/memory/ref_counted.h"
#include "cc/animation/animation_host.h"
#include "platform/animation/CompositorAnimationPlayer.h"
#include "platform/testing/CompositorTest.h"
#include "platform/testing/WebLayerTreeViewImplForTesting.h"
#include "wtf/PtrUtil.h"
#include <memory>

namespace blink {

class CompositorAnimationTimelineTest : public CompositorTest {};

TEST_F(CompositorAnimationTimelineTest,
       CompositorTimelineDeletionDetachesFromAnimationHost) {
  std::unique_ptr<CompositorAnimationTimeline> timeline =
      CompositorAnimationTimeline::create();

  scoped_refptr<cc::AnimationTimeline> ccTimeline =
      timeline->animationTimeline();
  EXPECT_FALSE(ccTimeline->animation_host());

  std::unique_ptr<WebLayerTreeView> layerTreeHost =
      wrapUnique(new WebLayerTreeViewImplForTesting);
  DCHECK(layerTreeHost);

  layerTreeHost->attachCompositorAnimationTimeline(
      timeline->animationTimeline());
  cc::AnimationHost* animationHost = ccTimeline->animation_host();
  EXPECT_TRUE(animationHost);
  EXPECT_TRUE(animationHost->GetTimelineById(ccTimeline->id()));

  // Delete CompositorAnimationTimeline while attached to host.
  timeline = nullptr;

  EXPECT_FALSE(ccTimeline->animation_host());
  EXPECT_FALSE(animationHost->GetTimelineById(ccTimeline->id()));
}

}  // namespace blink