Snap screen rotation animation layers to final position if the animation is aborted.

ash/rotator/screen_rotation_animation_unittest.cc

+// Copyright 2015 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 "ash/rotator/screen_rotation_animation.h"
+#include "ash/test/ash_test_base.h"
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/time/time.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/aura/window.h"
+#include "ui/compositor/layer.h"
+#include "ui/compositor/layer_animation_sequence.h"
+#include "ui/compositor/layer_animator.h"
+#include "ui/compositor/scoped_animation_duration_scale_mode.h"
+#include "ui/gfx/animation/tween.h"
+#include "ui/gfx/transform.h"
+
+namespace ash {
+namespace test {
+
+class ScreenRotationAnimationTest : public AshTestBase {
+ public:
+  ScreenRotationAnimationTest() {}
+  ~ScreenRotationAnimationTest() override {}
+
+  // AshTestBase:
+  void SetUp() override;
+
+ private:
+  scoped_ptr<ui::ScopedAnimationDurationScaleMode> non_zero_duration_mode_;
+
+  DISALLOW_COPY_AND_ASSIGN(ScreenRotationAnimationTest);
+};
+
+void ScreenRotationAnimationTest::SetUp() {
+  AshTestBase::SetUp();
+  non_zero_duration_mode_.reset(new ui::ScopedAnimationDurationScaleMode(
+      ui::ScopedAnimationDurationScaleMode::NON_ZERO_DURATION));
+}
+
+TEST_F(ScreenRotationAnimationTest, LayerTransformGetsSetToTargetWhenAborted) {
+  scoped_ptr<aura::Window> window(CreateTestWindowInShellWithId(9));
+  ui::Layer* layer = window->layer();
+
+  scoped_ptr<ScreenRotationAnimation> screen_rotation(
+      new ScreenRotationAnimation(
+          layer, 45 /* start_degrees */, 0 /* end_degrees */,
+          0.5f /* initial_opacity */, 1.0f /* target_opacity */,
+          gfx::Point(10, 10) /* pivot */,
+          base::TimeDelta::FromSeconds(10) /* duration */, gfx::Tween::LINEAR));
+
+  ui::LayerAnimator* animator = layer->GetAnimator();
+  animator->set_preemption_strategy(
+      ui::LayerAnimator::REPLACE_QUEUED_ANIMATIONS);
+  scoped_ptr<ui::LayerAnimationSequence> animation_sequence(
+      new ui::LayerAnimationSequence(screen_rotation.release()));
+  animator->StartAnimation(animation_sequence.release());
+
+  const gfx::Transform identity_transform;
+
+  ASSERT_EQ(identity_transform, layer->GetTargetTransform());
+  ASSERT_NE(identity_transform, layer->transform());
+
+  layer->GetAnimator()->AbortAllAnimations();
+
+  EXPECT_EQ(identity_transform, layer->transform());
+}
+
+}  // namespace test
+}  // namespace ash