root/cc/animation/layer_animation_controller_unittest.cc

DEFINITIONS

1. CreateAnimation
2. TEST
3. TEST
4. TEST
5. TEST
6. TEST
7. TEST
8. GetMostRecentPropertyUpdateEvent
9. TEST
10. TEST
11. TEST
12. TEST
13. TEST
14. TEST
15. TEST
16. TEST
17. finished_
18. NotifyAnimationStarted
19. NotifyAnimationFinished
20. started
21. finished
22. TEST
23. TEST
24. TEST
25. TEST
26. TEST
27. TEST
28. TEST
29. TEST
30. TEST
31. TEST
32. TEST
33. TEST
34. TEST
35. TEST
36. TEST
37. TEST
38. TEST
39. TEST
40. TEST
41. TEST
42. TEST
43. TEST

// Copyright 2012 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 "cc/animation/layer_animation_controller.h"

#include "cc/animation/animation.h"
#include "cc/animation/animation_curve.h"
#include "cc/animation/animation_delegate.h"
#include "cc/animation/animation_registrar.h"
#include "cc/animation/keyframed_animation_curve.h"
#include "cc/animation/scroll_offset_animation_curve.h"
#include "cc/animation/transform_operations.h"
#include "cc/test/animation_test_common.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/box_f.h"
#include "ui/gfx/transform.h"

namespace cc {
namespace {

// A LayerAnimationController cannot be ticked at 0.0, since an animation
// with start time 0.0 is treated as an animation whose start time has
// not yet been set.
const double kInitialTickTime = 1.0;

scoped_ptr<Animation> CreateAnimation(scoped_ptr<AnimationCurve> curve,
                                      int id,
                                      Animation::TargetProperty property) {
  return Animation::Create(curve.Pass(), 0, id, property);
}

TEST(LayerAnimationControllerTest, SyncNewAnimation) {
  FakeLayerAnimationValueObserver dummy_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  EXPECT_FALSE(controller_impl->GetAnimation(Animation::Opacity));

  AddOpacityTransitionToController(controller.get(), 1, 0, 1, false);
  int group_id = controller->GetAnimation(Animation::Opacity)->group();

  controller->PushAnimationUpdatesTo(controller_impl.get());

  EXPECT_TRUE(controller_impl->GetAnimation(group_id, Animation::Opacity));
  EXPECT_EQ(Animation::WaitingForTargetAvailability,
            controller_impl->GetAnimation(group_id,
                                          Animation::Opacity)->run_state());
}

// If an animation is started on the impl thread before it is ticked on the main
// thread, we must be sure to respect the synchronized start time.
TEST(LayerAnimationControllerTest, DoNotClobberStartTimes) {
  FakeLayerAnimationValueObserver dummy_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  EXPECT_FALSE(controller_impl->GetAnimation(Animation::Opacity));

  AddOpacityTransitionToController(controller.get(), 1, 0, 1, false);
  int group_id = controller->GetAnimation(Animation::Opacity)->group();

  controller->PushAnimationUpdatesTo(controller_impl.get());

  EXPECT_TRUE(controller_impl->GetAnimation(group_id, Animation::Opacity));
  EXPECT_EQ(Animation::WaitingForTargetAvailability,
            controller_impl->GetAnimation(group_id,
                                          Animation::Opacity)->run_state());

  AnimationEventsVector events;
  controller_impl->Animate(kInitialTickTime);
  controller_impl->UpdateState(true, &events);

  // Synchronize the start times.
  EXPECT_EQ(1u, events.size());
  controller->NotifyAnimationStarted(events[0]);
  EXPECT_EQ(controller->GetAnimation(group_id,
                                     Animation::Opacity)->start_time(),
            controller_impl->GetAnimation(group_id,
                                          Animation::Opacity)->start_time());

  // Start the animation on the main thread. Should not affect the start time.
  controller->Animate(kInitialTickTime + 0.5);
  controller->UpdateState(true, NULL);
  EXPECT_EQ(controller->GetAnimation(group_id,
                                     Animation::Opacity)->start_time(),
            controller_impl->GetAnimation(group_id,
                                          Animation::Opacity)->start_time());
}

// Tests that controllers activate and deactivate as expected.
TEST(LayerAnimationControllerTest, Activation) {
  scoped_ptr<AnimationRegistrar> registrar = AnimationRegistrar::Create();
  scoped_ptr<AnimationRegistrar> registrar_impl = AnimationRegistrar::Create();

  FakeLayerAnimationValueObserver dummy_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));

  controller->SetAnimationRegistrar(registrar.get());
  controller_impl->SetAnimationRegistrar(registrar_impl.get());
  EXPECT_EQ(1u, registrar->all_animation_controllers().size());
  EXPECT_EQ(1u, registrar_impl->all_animation_controllers().size());

  // Initially, both controllers should be inactive.
  EXPECT_EQ(0u, registrar->active_animation_controllers().size());
  EXPECT_EQ(0u, registrar_impl->active_animation_controllers().size());

  AddOpacityTransitionToController(controller.get(), 1, 0, 1, false);
  // The main thread controller should now be active.
  EXPECT_EQ(1u, registrar->active_animation_controllers().size());

  controller->PushAnimationUpdatesTo(controller_impl.get());
  // Both controllers should now be active.
  EXPECT_EQ(1u, registrar->active_animation_controllers().size());
  EXPECT_EQ(1u, registrar_impl->active_animation_controllers().size());

  controller_impl->Animate(kInitialTickTime);
  controller_impl->UpdateState(true, events.get());
  EXPECT_EQ(1u, events->size());
  controller->NotifyAnimationStarted((*events)[0]);

  EXPECT_EQ(1u, registrar->active_animation_controllers().size());
  EXPECT_EQ(1u, registrar_impl->active_animation_controllers().size());

  controller->Animate(kInitialTickTime + 0.5);
  controller->UpdateState(true, NULL);
  EXPECT_EQ(1u, registrar->active_animation_controllers().size());

  controller->Animate(kInitialTickTime + 1.0);
  controller->UpdateState(true, NULL);
  EXPECT_EQ(Animation::Finished,
            controller->GetAnimation(Animation::Opacity)->run_state());
  EXPECT_EQ(1u, registrar->active_animation_controllers().size());

  events.reset(new AnimationEventsVector);
  controller_impl->Animate(kInitialTickTime + 1.5);
  controller_impl->UpdateState(true, events.get());

  EXPECT_EQ(Animation::WaitingForDeletion,
            controller_impl->GetAnimation(Animation::Opacity)->run_state());
  // The impl thread controller should have de-activated.
  EXPECT_EQ(0u, registrar_impl->active_animation_controllers().size());

  EXPECT_EQ(1u, events->size());
  controller->NotifyAnimationFinished((*events)[0]);
  controller->Animate(kInitialTickTime + 1.5);
  controller->UpdateState(true, NULL);

  EXPECT_EQ(Animation::WaitingForDeletion,
            controller->GetAnimation(Animation::Opacity)->run_state());
  // The main thread controller should have de-activated.
  EXPECT_EQ(0u, registrar->active_animation_controllers().size());

  controller->PushAnimationUpdatesTo(controller_impl.get());
  EXPECT_FALSE(controller->has_any_animation());
  EXPECT_FALSE(controller_impl->has_any_animation());
  EXPECT_EQ(0u, registrar->active_animation_controllers().size());
  EXPECT_EQ(0u, registrar_impl->active_animation_controllers().size());

  controller->SetAnimationRegistrar(NULL);
  controller_impl->SetAnimationRegistrar(NULL);
}

TEST(LayerAnimationControllerTest, SyncPause) {
  FakeLayerAnimationValueObserver dummy_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  EXPECT_FALSE(controller_impl->GetAnimation(Animation::Opacity));

  AddOpacityTransitionToController(controller.get(), 1, 0, 1, false);
  int group_id = controller->GetAnimation(Animation::Opacity)->group();
  int animation_id = controller->GetAnimation(Animation::Opacity)->id();

  controller->PushAnimationUpdatesTo(controller_impl.get());

  EXPECT_TRUE(controller_impl->GetAnimation(group_id, Animation::Opacity));
  EXPECT_EQ(Animation::WaitingForTargetAvailability,
            controller_impl->GetAnimation(group_id,
                                          Animation::Opacity)->run_state());

  // Start the animations on each controller.
  AnimationEventsVector events;
  controller_impl->Animate(kInitialTickTime);
  controller_impl->UpdateState(true, &events);
  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, NULL);
  EXPECT_EQ(Animation::Running,
            controller_impl->GetAnimation(group_id,
                                          Animation::Opacity)->run_state());
  EXPECT_EQ(Animation::Running,
            controller->GetAnimation(group_id,
                                     Animation::Opacity)->run_state());

  // Pause the main-thread animation.
  controller->PauseAnimation(animation_id, kInitialTickTime + 1.0);
  EXPECT_EQ(Animation::Paused,
            controller->GetAnimation(group_id,
                                     Animation::Opacity)->run_state());

  // The pause run state change should make it to the impl thread controller.
  controller->PushAnimationUpdatesTo(controller_impl.get());
  EXPECT_EQ(Animation::Paused,
            controller_impl->GetAnimation(group_id,
                                          Animation::Opacity)->run_state());
}

TEST(LayerAnimationControllerTest, DoNotSyncFinishedAnimation) {
  FakeLayerAnimationValueObserver dummy_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  EXPECT_FALSE(controller_impl->GetAnimation(Animation::Opacity));

  int animation_id =
      AddOpacityTransitionToController(controller.get(), 1, 0, 1, false);
  int group_id = controller->GetAnimation(Animation::Opacity)->group();

  controller->PushAnimationUpdatesTo(controller_impl.get());

  EXPECT_TRUE(controller_impl->GetAnimation(group_id, Animation::Opacity));
  EXPECT_EQ(Animation::WaitingForTargetAvailability,
            controller_impl->GetAnimation(group_id,
                                          Animation::Opacity)->run_state());

  // Notify main thread controller that the animation has started.
  AnimationEvent animation_started_event(AnimationEvent::Started,
                                         0,
                                         group_id,
                                         Animation::Opacity,
                                         kInitialTickTime);
  controller->NotifyAnimationStarted(animation_started_event);

  // Force animation to complete on impl thread.
  controller_impl->RemoveAnimation(animation_id);

  EXPECT_FALSE(controller_impl->GetAnimation(group_id, Animation::Opacity));

  controller->PushAnimationUpdatesTo(controller_impl.get());

  // Even though the main thread has a 'new' animation, it should not be pushed
  // because the animation has already completed on the impl thread.
  EXPECT_FALSE(controller_impl->GetAnimation(group_id, Animation::Opacity));
}

// Ensure that a finished animation is eventually deleted by both the
// main-thread and the impl-thread controllers.
TEST(LayerAnimationControllerTest, AnimationsAreDeleted) {
  FakeLayerAnimationValueObserver dummy;
  FakeLayerAnimationValueObserver dummy_impl;
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);
  controller_impl->AddValueObserver(&dummy_impl);

  AddOpacityTransitionToController(controller.get(), 1.0, 0.0f, 1.0f, false);
  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, NULL);
  controller->PushAnimationUpdatesTo(controller_impl.get());

  controller_impl->Animate(kInitialTickTime + 0.5);
  controller_impl->UpdateState(true, events.get());

  // There should be a Started event for the animation.
  EXPECT_EQ(1u, events->size());
  EXPECT_EQ(AnimationEvent::Started, (*events)[0].type);
  controller->NotifyAnimationStarted((*events)[0]);

  controller->Animate(kInitialTickTime + 1.0);
  controller->UpdateState(true, NULL);

  EXPECT_FALSE(dummy.animation_waiting_for_deletion());
  EXPECT_FALSE(dummy_impl.animation_waiting_for_deletion());

  events.reset(new AnimationEventsVector);
  controller_impl->Animate(kInitialTickTime + 2.0);
  controller_impl->UpdateState(true, events.get());

  EXPECT_TRUE(dummy_impl.animation_waiting_for_deletion());

  // There should be a Finished event for the animation.
  EXPECT_EQ(1u, events->size());
  EXPECT_EQ(AnimationEvent::Finished, (*events)[0].type);

  // Neither controller should have deleted the animation yet.
  EXPECT_TRUE(controller->GetAnimation(Animation::Opacity));
  EXPECT_TRUE(controller_impl->GetAnimation(Animation::Opacity));

  controller->NotifyAnimationFinished((*events)[0]);

  controller->Animate(kInitialTickTime + 3.0);
  controller->UpdateState(true, NULL);
  EXPECT_TRUE(dummy.animation_waiting_for_deletion());

  controller->PushAnimationUpdatesTo(controller_impl.get());

  // Both controllers should now have deleted the animation.
  EXPECT_FALSE(controller->has_any_animation());
  EXPECT_FALSE(controller_impl->has_any_animation());
}

// Tests that transitioning opacity from 0 to 1 works as expected.

static const AnimationEvent* GetMostRecentPropertyUpdateEvent(
    const AnimationEventsVector* events) {
  const AnimationEvent* event = 0;
  for (size_t i = 0; i < events->size(); ++i)
    if ((*events)[i].type == AnimationEvent::PropertyUpdate)
      event = &(*events)[i];

  return event;
}

TEST(LayerAnimationControllerTest, TrivialTransition) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  scoped_ptr<Animation> to_add(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      1,
      Animation::Opacity));

  controller->AddAnimation(to_add.Pass());
  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.f, dummy.opacity());
  // A non-impl-only animation should not generate property updates.
  const AnimationEvent* event = GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_FALSE(event);
  controller->Animate(kInitialTickTime + 1.0);
  controller->UpdateState(true, events.get());
  EXPECT_EQ(1.f, dummy.opacity());
  EXPECT_FALSE(controller->HasActiveAnimation());
  event = GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_FALSE(event);
}

TEST(LayerAnimationControllerTest, TrivialTransitionOnImpl) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);

  scoped_ptr<Animation> to_add(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      1,
      Animation::Opacity));
  to_add->set_is_impl_only(true);

  controller_impl->AddAnimation(to_add.Pass());
  controller_impl->Animate(kInitialTickTime);
  controller_impl->UpdateState(true, events.get());
  EXPECT_TRUE(controller_impl->HasActiveAnimation());
  EXPECT_EQ(0.f, dummy_impl.opacity());
  EXPECT_EQ(2u, events->size());
  const AnimationEvent* start_opacity_event =
      GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_EQ(0.f, start_opacity_event->opacity);

  controller_impl->Animate(kInitialTickTime + 1.0);
  controller_impl->UpdateState(true, events.get());
  EXPECT_EQ(1.f, dummy_impl.opacity());
  EXPECT_FALSE(controller_impl->HasActiveAnimation());
  EXPECT_EQ(4u, events->size());
  const AnimationEvent* end_opacity_event =
      GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_EQ(1.f, end_opacity_event->opacity);
}

TEST(LayerAnimationControllerTest, TrivialTransformOnImpl) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);

  // Choose different values for x and y to avoid coincidental values in the
  // observed transforms.
  const float delta_x = 3;
  const float delta_y = 4;

  scoped_ptr<KeyframedTransformAnimationCurve> curve(
      KeyframedTransformAnimationCurve::Create());

  // Create simple Transform animation.
  TransformOperations operations;
  curve->AddKeyframe(
      TransformKeyframe::Create(0, operations, scoped_ptr<TimingFunction>()));
  operations.AppendTranslate(delta_x, delta_y, 0);
  curve->AddKeyframe(
      TransformKeyframe::Create(1, operations, scoped_ptr<TimingFunction>()));

  scoped_ptr<Animation> animation(Animation::Create(
      curve.PassAs<AnimationCurve>(), 1, 0, Animation::Transform));
  animation->set_is_impl_only(true);
  controller_impl->AddAnimation(animation.Pass());

  // Run animation.
  controller_impl->Animate(kInitialTickTime);
  controller_impl->UpdateState(true, events.get());
  EXPECT_TRUE(controller_impl->HasActiveAnimation());
  EXPECT_EQ(gfx::Transform(), dummy_impl.transform());
  EXPECT_EQ(2u, events->size());
  const AnimationEvent* start_transform_event =
      GetMostRecentPropertyUpdateEvent(events.get());
  ASSERT_TRUE(start_transform_event);
  EXPECT_EQ(gfx::Transform(), start_transform_event->transform);
  EXPECT_TRUE(start_transform_event->is_impl_only);

  gfx::Transform expected_transform;
  expected_transform.Translate(delta_x, delta_y);

  controller_impl->Animate(kInitialTickTime + 1.0);
  controller_impl->UpdateState(true, events.get());
  EXPECT_EQ(expected_transform, dummy_impl.transform());
  EXPECT_FALSE(controller_impl->HasActiveAnimation());
  EXPECT_EQ(4u, events->size());
  const AnimationEvent* end_transform_event =
      GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_EQ(expected_transform, end_transform_event->transform);
  EXPECT_TRUE(end_transform_event->is_impl_only);
}

TEST(LayerAnimationControllerTest, FilterTransition) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  scoped_ptr<KeyframedFilterAnimationCurve> curve(
      KeyframedFilterAnimationCurve::Create());

  FilterOperations start_filters;
  start_filters.Append(FilterOperation::CreateBrightnessFilter(1.f));
  curve->AddKeyframe(
      FilterKeyframe::Create(0, start_filters, scoped_ptr<TimingFunction>()));
  FilterOperations end_filters;
  end_filters.Append(FilterOperation::CreateBrightnessFilter(2.f));
  curve->AddKeyframe(
      FilterKeyframe::Create(1, end_filters, scoped_ptr<TimingFunction>()));

  scoped_ptr<Animation> animation(Animation::Create(
      curve.PassAs<AnimationCurve>(), 1, 0, Animation::Filter));
  controller->AddAnimation(animation.Pass());

  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(start_filters, dummy.filters());
  // A non-impl-only animation should not generate property updates.
  const AnimationEvent* event = GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_FALSE(event);

  controller->Animate(kInitialTickTime + 0.5);
  controller->UpdateState(true, events.get());
  EXPECT_EQ(1u, dummy.filters().size());
  EXPECT_EQ(FilterOperation::CreateBrightnessFilter(1.5f),
            dummy.filters().at(0));
  event = GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_FALSE(event);

  controller->Animate(kInitialTickTime + 1.0);
  controller->UpdateState(true, events.get());
  EXPECT_EQ(end_filters, dummy.filters());
  EXPECT_FALSE(controller->HasActiveAnimation());
  event = GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_FALSE(event);
}

TEST(LayerAnimationControllerTest, FilterTransitionOnImplOnly) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);

  scoped_ptr<KeyframedFilterAnimationCurve> curve(
      KeyframedFilterAnimationCurve::Create());

  // Create simple Filter animation.
  FilterOperations start_filters;
  start_filters.Append(FilterOperation::CreateBrightnessFilter(1.f));
  curve->AddKeyframe(
      FilterKeyframe::Create(0, start_filters, scoped_ptr<TimingFunction>()));
  FilterOperations end_filters;
  end_filters.Append(FilterOperation::CreateBrightnessFilter(2.f));
  curve->AddKeyframe(
      FilterKeyframe::Create(1, end_filters, scoped_ptr<TimingFunction>()));

  scoped_ptr<Animation> animation(Animation::Create(
      curve.PassAs<AnimationCurve>(), 1, 0, Animation::Filter));
  animation->set_is_impl_only(true);
  controller_impl->AddAnimation(animation.Pass());

  // Run animation.
  controller_impl->Animate(kInitialTickTime);
  controller_impl->UpdateState(true, events.get());
  EXPECT_TRUE(controller_impl->HasActiveAnimation());
  EXPECT_EQ(start_filters, dummy_impl.filters());
  EXPECT_EQ(2u, events->size());
  const AnimationEvent* start_filter_event =
      GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_TRUE(start_filter_event);
  EXPECT_EQ(start_filters, start_filter_event->filters);
  EXPECT_TRUE(start_filter_event->is_impl_only);

  controller_impl->Animate(kInitialTickTime + 1.0);
  controller_impl->UpdateState(true, events.get());
  EXPECT_EQ(end_filters, dummy_impl.filters());
  EXPECT_FALSE(controller_impl->HasActiveAnimation());
  EXPECT_EQ(4u, events->size());
  const AnimationEvent* end_filter_event =
      GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_TRUE(end_filter_event);
  EXPECT_EQ(end_filters, end_filter_event->filters);
  EXPECT_TRUE(end_filter_event->is_impl_only);
}

TEST(LayerAnimationControllerTest, ScrollOffsetTransition) {
  FakeLayerAnimationValueObserver dummy_impl;
  FakeLayerAnimationValueProvider dummy_provider_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);
  controller_impl->set_value_provider(&dummy_provider_impl);
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  FakeLayerAnimationValueProvider dummy_provider;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);
  controller->set_value_provider(&dummy_provider);

  gfx::Vector2dF initial_value(100.f, 300.f);
  gfx::Vector2dF target_value(300.f, 200.f);
  scoped_ptr<ScrollOffsetAnimationCurve> curve(
      ScrollOffsetAnimationCurve::Create(
          target_value,
          EaseInOutTimingFunction::Create().Pass()));

  scoped_ptr<Animation> animation(Animation::Create(
      curve.PassAs<AnimationCurve>(), 1, 0, Animation::ScrollOffset));
  animation->set_needs_synchronized_start_time(true);
  controller->AddAnimation(animation.Pass());

  dummy_provider_impl.set_scroll_offset(initial_value);
  controller->PushAnimationUpdatesTo(controller_impl.get());
  EXPECT_TRUE(controller_impl->GetAnimation(Animation::ScrollOffset));
  double duration = controller_impl->GetAnimation(
      Animation::ScrollOffset)->curve()->Duration();

  EXPECT_EQ(
      duration,
      controller->GetAnimation(Animation::ScrollOffset)->curve()->Duration());

  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, NULL);
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(initial_value, dummy.scroll_offset());

  controller_impl->Animate(kInitialTickTime);
  controller_impl->UpdateState(true, events.get());
  EXPECT_TRUE(controller_impl->HasActiveAnimation());
  EXPECT_EQ(initial_value, dummy_impl.scroll_offset());
  // Scroll offset animations should not generate property updates.
  const AnimationEvent* event = GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_FALSE(event);

  controller->NotifyAnimationStarted((*events)[0]);
  controller->Animate(kInitialTickTime + duration/2.0);
  controller->UpdateState(true, NULL);
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_VECTOR2DF_EQ(gfx::Vector2dF(200.f, 250.f), dummy.scroll_offset());

  controller_impl->Animate(kInitialTickTime + duration/2.0);
  controller_impl->UpdateState(true, events.get());
  EXPECT_VECTOR2DF_EQ(gfx::Vector2dF(200.f, 250.f),
                      dummy_impl.scroll_offset());
  event = GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_FALSE(event);

  controller_impl->Animate(kInitialTickTime + duration);
  controller_impl->UpdateState(true, events.get());
  EXPECT_VECTOR2DF_EQ(target_value, dummy_impl.scroll_offset());
  EXPECT_FALSE(controller_impl->HasActiveAnimation());
  event = GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_FALSE(event);

  controller->Animate(kInitialTickTime + duration);
  controller->UpdateState(true, NULL);
  EXPECT_VECTOR2DF_EQ(target_value, dummy.scroll_offset());
  EXPECT_FALSE(controller->HasActiveAnimation());
}

// Ensure that when the impl controller doesn't have a value provider,
// the main-thread controller's value provider is used to obtain the intial
// scroll offset.
TEST(LayerAnimationControllerTest, ScrollOffsetTransitionNoImplProvider) {
  FakeLayerAnimationValueObserver dummy_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  FakeLayerAnimationValueProvider dummy_provider;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);
  controller->set_value_provider(&dummy_provider);

  gfx::Vector2dF initial_value(500.f, 100.f);
  gfx::Vector2dF target_value(300.f, 200.f);
  scoped_ptr<ScrollOffsetAnimationCurve> curve(
      ScrollOffsetAnimationCurve::Create(
          target_value,
          EaseInOutTimingFunction::Create().Pass()));

  scoped_ptr<Animation> animation(Animation::Create(
      curve.PassAs<AnimationCurve>(), 1, 0, Animation::ScrollOffset));
  animation->set_needs_synchronized_start_time(true);
  controller->AddAnimation(animation.Pass());

  dummy_provider.set_scroll_offset(initial_value);
  controller->PushAnimationUpdatesTo(controller_impl.get());
  EXPECT_TRUE(controller_impl->GetAnimation(Animation::ScrollOffset));
  double duration = controller_impl->GetAnimation(
      Animation::ScrollOffset)->curve()->Duration();

  EXPECT_EQ(
      duration,
      controller->GetAnimation(Animation::ScrollOffset)->curve()->Duration());

  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, NULL);
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(initial_value, dummy.scroll_offset());

  controller_impl->Animate(kInitialTickTime);
  controller_impl->UpdateState(true, events.get());
  EXPECT_TRUE(controller_impl->HasActiveAnimation());
  EXPECT_EQ(initial_value, dummy_impl.scroll_offset());
  // Scroll offset animations should not generate property updates.
  const AnimationEvent* event = GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_FALSE(event);

  controller->NotifyAnimationStarted((*events)[0]);
  controller->Animate(kInitialTickTime + duration/2.0);
  controller->UpdateState(true, NULL);
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_VECTOR2DF_EQ(gfx::Vector2dF(400.f, 150.f), dummy.scroll_offset());

  controller_impl->Animate(kInitialTickTime + duration/2.0);
  controller_impl->UpdateState(true, events.get());
  EXPECT_VECTOR2DF_EQ(gfx::Vector2dF(400.f, 150.f),
                      dummy_impl.scroll_offset());
  event = GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_FALSE(event);

  controller_impl->Animate(kInitialTickTime + duration);
  controller_impl->UpdateState(true, events.get());
  EXPECT_VECTOR2DF_EQ(target_value, dummy_impl.scroll_offset());
  EXPECT_FALSE(controller_impl->HasActiveAnimation());
  event = GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_FALSE(event);

  controller->Animate(kInitialTickTime + duration);
  controller->UpdateState(true, NULL);
  EXPECT_VECTOR2DF_EQ(target_value, dummy.scroll_offset());
  EXPECT_FALSE(controller->HasActiveAnimation());
}

TEST(LayerAnimationControllerTest, ScrollOffsetTransitionOnImplOnly) {
  FakeLayerAnimationValueObserver dummy_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));

  gfx::Vector2dF initial_value(100.f, 300.f);
  gfx::Vector2dF target_value(300.f, 200.f);
  scoped_ptr<ScrollOffsetAnimationCurve> curve(
      ScrollOffsetAnimationCurve::Create(
          target_value,
          EaseInOutTimingFunction::Create().Pass()));
  curve->SetInitialValue(initial_value);
  double duration = curve->Duration();

  scoped_ptr<Animation> animation(Animation::Create(
      curve.PassAs<AnimationCurve>(), 1, 0, Animation::ScrollOffset));
  animation->set_is_impl_only(true);
  controller_impl->AddAnimation(animation.Pass());

  controller_impl->Animate(kInitialTickTime);
  controller_impl->UpdateState(true, events.get());
  EXPECT_TRUE(controller_impl->HasActiveAnimation());
  EXPECT_EQ(initial_value, dummy_impl.scroll_offset());
  // Scroll offset animations should not generate property updates.
  const AnimationEvent* event = GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_FALSE(event);

  controller_impl->Animate(kInitialTickTime + duration/2.0);
  controller_impl->UpdateState(true, events.get());
  EXPECT_VECTOR2DF_EQ(gfx::Vector2dF(200.f, 250.f),
                      dummy_impl.scroll_offset());
  event = GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_FALSE(event);

  controller_impl->Animate(kInitialTickTime + duration);
  controller_impl->UpdateState(true, events.get());
  EXPECT_VECTOR2DF_EQ(target_value, dummy_impl.scroll_offset());
  EXPECT_FALSE(controller_impl->HasActiveAnimation());
  event = GetMostRecentPropertyUpdateEvent(events.get());
  EXPECT_FALSE(event);
}

class FakeAnimationDelegate : public AnimationDelegate {
 public:
  FakeAnimationDelegate()
      : started_(false),
        finished_(false) {}

  virtual void NotifyAnimationStarted(
      base::TimeTicks monotonic_time,
      Animation::TargetProperty target_property) OVERRIDE {
    started_ = true;
  }

  virtual void NotifyAnimationFinished(
      base::TimeTicks monotonic_time,
      Animation::TargetProperty target_property) OVERRIDE {
    finished_ = true;
  }

  bool started() { return started_; }

  bool finished() { return finished_; }

 private:
  bool started_;
  bool finished_;
};

// Tests that impl-only animations lead to start and finished notifications
// being sent to the main thread controller's animation delegate.
TEST(LayerAnimationControllerTest,
     NotificationsForImplOnlyAnimationsAreSentToMainThreadDelegate) {
  FakeLayerAnimationValueObserver dummy_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);
  FakeAnimationDelegate delegate;
  controller->set_layer_animation_delegate(&delegate);

  scoped_ptr<Animation> to_add(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      1,
      Animation::Opacity));
  to_add->set_is_impl_only(true);
  controller_impl->AddAnimation(to_add.Pass());

  controller_impl->Animate(kInitialTickTime);
  controller_impl->UpdateState(true, events.get());

  // We should receive 2 events (a started notification and a property update).
  EXPECT_EQ(2u, events->size());
  EXPECT_EQ(AnimationEvent::Started, (*events)[0].type);
  EXPECT_TRUE((*events)[0].is_impl_only);
  EXPECT_EQ(AnimationEvent::PropertyUpdate, (*events)[1].type);
  EXPECT_TRUE((*events)[1].is_impl_only);

  // Passing on the start event to the main thread controller should cause the
  // delegate to get notified.
  EXPECT_FALSE(delegate.started());
  controller->NotifyAnimationStarted((*events)[0]);
  EXPECT_TRUE(delegate.started());

  events.reset(new AnimationEventsVector);
  controller_impl->Animate(kInitialTickTime + 1.0);
  controller_impl->UpdateState(true, events.get());

  // We should receive 2 events (a finished notification and a property update).
  EXPECT_EQ(2u, events->size());
  EXPECT_EQ(AnimationEvent::Finished, (*events)[0].type);
  EXPECT_TRUE((*events)[0].is_impl_only);
  EXPECT_EQ(AnimationEvent::PropertyUpdate, (*events)[1].type);
  EXPECT_TRUE((*events)[1].is_impl_only);

  // Passing on the finished event to the main thread controller should cause
  // the delegate to get notified.
  EXPECT_FALSE(delegate.finished());
  controller->NotifyAnimationFinished((*events)[0]);
  EXPECT_TRUE(delegate.finished());
}

// Tests animations that are waiting for a synchronized start time do not
// finish.
TEST(LayerAnimationControllerTest,
     AnimationsWaitingForStartTimeDoNotFinishIfTheyOutwaitTheirFinish) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  scoped_ptr<Animation> to_add(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      1,
      Animation::Opacity));
  to_add->set_needs_synchronized_start_time(true);

  // We should pause at the first keyframe indefinitely waiting for that
  // animation to start.
  controller->AddAnimation(to_add.Pass());
  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.f, dummy.opacity());
  controller->Animate(kInitialTickTime + 1.0);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.f, dummy.opacity());
  controller->Animate(kInitialTickTime + 2.0);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.f, dummy.opacity());

  // Send the synchronized start time.
  controller->NotifyAnimationStarted(AnimationEvent(
      AnimationEvent::Started, 0, 1, Animation::Opacity, kInitialTickTime + 2));
  controller->Animate(kInitialTickTime + 5.0);
  controller->UpdateState(true, events.get());
  EXPECT_EQ(1.f, dummy.opacity());
  EXPECT_FALSE(controller->HasActiveAnimation());
}

// Tests that two queued animations affecting the same property run in sequence.
TEST(LayerAnimationControllerTest, TrivialQueuing) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      1,
      Animation::Opacity));
  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(
          new FakeFloatTransition(1.0, 1.f, 0.5f)).Pass(),
      2,
      Animation::Opacity));

  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.f, dummy.opacity());
  controller->Animate(kInitialTickTime + 1.0);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(1.f, dummy.opacity());
  controller->Animate(kInitialTickTime + 2.0);
  controller->UpdateState(true, events.get());
  EXPECT_EQ(0.5f, dummy.opacity());
  EXPECT_FALSE(controller->HasActiveAnimation());
}

// Tests interrupting a transition with another transition.
TEST(LayerAnimationControllerTest, Interrupt) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);
  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      1,
      Animation::Opacity));
  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.f, dummy.opacity());

  scoped_ptr<Animation> to_add(CreateAnimation(
      scoped_ptr<AnimationCurve>(
          new FakeFloatTransition(1.0, 1.f, 0.5f)).Pass(),
      2,
      Animation::Opacity));
  controller->AbortAnimations(Animation::Opacity);
  controller->AddAnimation(to_add.Pass());

  // Since the previous animation was aborted, the new animation should start
  // right in this call to animate.
  controller->Animate(kInitialTickTime + 0.5);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(1.f, dummy.opacity());
  controller->Animate(kInitialTickTime + 1.5);
  controller->UpdateState(true, events.get());
  EXPECT_EQ(0.5f, dummy.opacity());
  EXPECT_FALSE(controller->HasActiveAnimation());
}

// Tests scheduling two animations to run together when only one property is
// free.
TEST(LayerAnimationControllerTest, ScheduleTogetherWhenAPropertyIsBlocked) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeTransformTransition(1)).Pass(),
      1,
      Animation::Transform));
  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeTransformTransition(1)).Pass(),
      2,
      Animation::Transform));
  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      2,
      Animation::Opacity));

  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, events.get());
  EXPECT_EQ(0.f, dummy.opacity());
  EXPECT_TRUE(controller->HasActiveAnimation());
  controller->Animate(kInitialTickTime + 1.0);
  controller->UpdateState(true, events.get());
  // Should not have started the float transition yet.
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.f, dummy.opacity());
  // The float animation should have started at time 1 and should be done.
  controller->Animate(kInitialTickTime + 2.0);
  controller->UpdateState(true, events.get());
  EXPECT_EQ(1.f, dummy.opacity());
  EXPECT_FALSE(controller->HasActiveAnimation());
}

// Tests scheduling two animations to run together with different lengths and
// another animation queued to start when the shorter animation finishes (should
// wait for both to finish).
TEST(LayerAnimationControllerTest, ScheduleTogetherWithAnAnimWaiting) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeTransformTransition(2)).Pass(),
      1,
      Animation::Transform));
  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      1,
      Animation::Opacity));
  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(
          new FakeFloatTransition(1.0, 1.f, 0.5f)).Pass(),
      2,
      Animation::Opacity));

  // Animations with id 1 should both start now.
  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.f, dummy.opacity());
  // The opacity animation should have finished at time 1, but the group
  // of animations with id 1 don't finish until time 2 because of the length
  // of the transform animation.
  controller->Animate(kInitialTickTime + 2.0);
  controller->UpdateState(true, events.get());
  // Should not have started the float transition yet.
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(1.f, dummy.opacity());

  // The second opacity animation should start at time 2 and should be done by
  // time 3.
  controller->Animate(kInitialTickTime + 3.0);
  controller->UpdateState(true, events.get());
  EXPECT_EQ(0.5f, dummy.opacity());
  EXPECT_FALSE(controller->HasActiveAnimation());
}

// Test that a looping animation loops and for the correct number of iterations.
TEST(LayerAnimationControllerTest, TrivialLooping) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  scoped_ptr<Animation> to_add(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      1,
      Animation::Opacity));
  to_add->set_iterations(3);
  controller->AddAnimation(to_add.Pass());

  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.f, dummy.opacity());
  controller->Animate(kInitialTickTime + 1.25);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.25f, dummy.opacity());
  controller->Animate(kInitialTickTime + 1.75);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.75f, dummy.opacity());
  controller->Animate(kInitialTickTime + 2.25);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.25f, dummy.opacity());
  controller->Animate(kInitialTickTime + 2.75);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.75f, dummy.opacity());
  controller->Animate(kInitialTickTime + 3.0);
  controller->UpdateState(true, events.get());
  EXPECT_FALSE(controller->HasActiveAnimation());
  EXPECT_EQ(1.f, dummy.opacity());

  // Just be extra sure.
  controller->Animate(kInitialTickTime + 4.0);
  controller->UpdateState(true, events.get());
  EXPECT_EQ(1.f, dummy.opacity());
}

// Test that an infinitely looping animation does indeed go until aborted.
TEST(LayerAnimationControllerTest, InfiniteLooping) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  const int id = 1;
  scoped_ptr<Animation> to_add(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      id,
      Animation::Opacity));
  to_add->set_iterations(-1);
  controller->AddAnimation(to_add.Pass());

  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.f, dummy.opacity());
  controller->Animate(kInitialTickTime + 1.25);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.25f, dummy.opacity());
  controller->Animate(kInitialTickTime + 1.75);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.75f, dummy.opacity());

  controller->Animate(kInitialTickTime + 1073741824.25);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.25f, dummy.opacity());
  controller->Animate(kInitialTickTime + 1073741824.75);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.75f, dummy.opacity());

  EXPECT_TRUE(controller->GetAnimation(id, Animation::Opacity));
  controller->GetAnimation(id, Animation::Opacity)->SetRunState(
      Animation::Aborted, kInitialTickTime + 0.75);
  EXPECT_FALSE(controller->HasActiveAnimation());
  EXPECT_EQ(0.75f, dummy.opacity());
}

// Test that pausing and resuming work as expected.
TEST(LayerAnimationControllerTest, PauseResume) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  const int id = 1;
  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      id,
      Animation::Opacity));

  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.f, dummy.opacity());
  controller->Animate(kInitialTickTime + 0.5);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.5f, dummy.opacity());

  EXPECT_TRUE(controller->GetAnimation(id, Animation::Opacity));
  controller->GetAnimation(id, Animation::Opacity)->SetRunState(
      Animation::Paused, kInitialTickTime + 0.5);

  controller->Animate(kInitialTickTime + 1024.0);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.5f, dummy.opacity());

  EXPECT_TRUE(controller->GetAnimation(id, Animation::Opacity));
  controller->GetAnimation(id, Animation::Opacity)->SetRunState(
      Animation::Running, kInitialTickTime + 1024);

  controller->Animate(kInitialTickTime + 1024.25);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.75f, dummy.opacity());
  controller->Animate(kInitialTickTime + 1024.5);
  controller->UpdateState(true, events.get());
  EXPECT_FALSE(controller->HasActiveAnimation());
  EXPECT_EQ(1.f, dummy.opacity());
}

TEST(LayerAnimationControllerTest, AbortAGroupedAnimation) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  const int id = 1;
  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeTransformTransition(1)).Pass(),
      id,
      Animation::Transform));
  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(2.0, 0.f, 1.f)).Pass(),
      id,
      Animation::Opacity));
  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(
          new FakeFloatTransition(1.0, 1.f, 0.75f)).Pass(),
      2,
      Animation::Opacity));

  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.f, dummy.opacity());
  controller->Animate(kInitialTickTime + 1.0);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.5f, dummy.opacity());

  EXPECT_TRUE(controller->GetAnimation(id, Animation::Opacity));
  controller->GetAnimation(id, Animation::Opacity)->SetRunState(
      Animation::Aborted, kInitialTickTime + 1.0);
  controller->Animate(kInitialTickTime + 1.0);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(1.f, dummy.opacity());
  controller->Animate(kInitialTickTime + 2.0);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(!controller->HasActiveAnimation());
  EXPECT_EQ(0.75f, dummy.opacity());
}

TEST(LayerAnimationControllerTest, PushUpdatesWhenSynchronizedStartTimeNeeded) {
  FakeLayerAnimationValueObserver dummy_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  scoped_ptr<Animation> to_add(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(2.0, 0.f, 1.f)).Pass(),
      0,
      Animation::Opacity));
  to_add->set_needs_synchronized_start_time(true);
  controller->AddAnimation(to_add.Pass());

  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, events.get());
  EXPECT_TRUE(controller->HasActiveAnimation());
  Animation* active_animation = controller->GetAnimation(0, Animation::Opacity);
  EXPECT_TRUE(active_animation);
  EXPECT_TRUE(active_animation->needs_synchronized_start_time());

  controller->PushAnimationUpdatesTo(controller_impl.get());

  active_animation = controller_impl->GetAnimation(0, Animation::Opacity);
  EXPECT_TRUE(active_animation);
  EXPECT_EQ(Animation::WaitingForTargetAvailability,
            active_animation->run_state());
}

// Tests that skipping a call to UpdateState works as expected.
TEST(LayerAnimationControllerTest, SkipUpdateState) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeTransformTransition(1)).Pass(),
      1,
      Animation::Transform));

  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, events.get());

  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      2,
      Animation::Opacity));

  // Animate but don't UpdateState.
  controller->Animate(kInitialTickTime + 1.0);

  controller->Animate(kInitialTickTime + 2.0);
  events.reset(new AnimationEventsVector);
  controller->UpdateState(true, events.get());

  // Should have one Started event and one Finished event.
  EXPECT_EQ(2u, events->size());
  EXPECT_NE((*events)[0].type, (*events)[1].type);

  // The float transition should still be at its starting point.
  EXPECT_TRUE(controller->HasActiveAnimation());
  EXPECT_EQ(0.f, dummy.opacity());

  controller->Animate(kInitialTickTime + 3.0);
  controller->UpdateState(true, events.get());

  // The float tranisition should now be done.
  EXPECT_EQ(1.f, dummy.opacity());
  EXPECT_FALSE(controller->HasActiveAnimation());
}

// Tests that an animation controller with only an inactive observer gets ticked
// but doesn't progress animations past the Starting state.
TEST(LayerAnimationControllerTest, InactiveObserverGetsTicked) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy;
  FakeInactiveLayerAnimationValueObserver inactive_dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));

  const int id = 1;
  controller->AddAnimation(CreateAnimation(scoped_ptr<AnimationCurve>(
      new FakeFloatTransition(1.0, 0.5f, 1.f)).Pass(),
      id,
      Animation::Opacity));

  // Without an observer, the animation shouldn't progress to the Starting
  // state.
  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, events.get());
  EXPECT_EQ(0u, events->size());
  EXPECT_EQ(Animation::WaitingForTargetAvailability,
            controller->GetAnimation(id, Animation::Opacity)->run_state());

  controller->AddValueObserver(&inactive_dummy);

  // With only an inactive observer, the animation should progress to the
  // Starting state and get ticked at its starting point, but should not
  // progress to Running.
  controller->Animate(kInitialTickTime + 1.0);
  controller->UpdateState(true, events.get());
  EXPECT_EQ(0u, events->size());
  EXPECT_EQ(Animation::Starting,
            controller->GetAnimation(id, Animation::Opacity)->run_state());
  EXPECT_EQ(0.5f, inactive_dummy.opacity());

  // Even when already in the Starting state, the animation should stay
  // there, and shouldn't be ticked past its starting point.
  controller->Animate(kInitialTickTime + 2.0);
  controller->UpdateState(true, events.get());
  EXPECT_EQ(0u, events->size());
  EXPECT_EQ(Animation::Starting,
            controller->GetAnimation(id, Animation::Opacity)->run_state());
  EXPECT_EQ(0.5f, inactive_dummy.opacity());

  controller->AddValueObserver(&dummy);

  // Now that an active observer has been added, the animation should still
  // initially tick at its starting point, but should now progress to Running.
  controller->Animate(kInitialTickTime + 3.0);
  controller->UpdateState(true, events.get());
  EXPECT_EQ(1u, events->size());
  EXPECT_EQ(Animation::Running,
            controller->GetAnimation(id, Animation::Opacity)->run_state());
  EXPECT_EQ(0.5f, inactive_dummy.opacity());
  EXPECT_EQ(0.5f, dummy.opacity());

  // The animation should now tick past its starting point.
  controller->Animate(kInitialTickTime + 3.5);
  EXPECT_NE(0.5f, inactive_dummy.opacity());
  EXPECT_NE(0.5f, dummy.opacity());
}

TEST(LayerAnimationControllerTest, TransformAnimationBounds) {
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));

  scoped_ptr<KeyframedTransformAnimationCurve> curve1(
      KeyframedTransformAnimationCurve::Create());

  TransformOperations operations1;
  curve1->AddKeyframe(TransformKeyframe::Create(
      0.0, operations1, scoped_ptr<TimingFunction>()));
  operations1.AppendTranslate(10.0, 15.0, 0.0);
  curve1->AddKeyframe(TransformKeyframe::Create(
      1.0, operations1, scoped_ptr<TimingFunction>()));

  scoped_ptr<Animation> animation(Animation::Create(
      curve1.PassAs<AnimationCurve>(), 1, 1, Animation::Transform));
  controller_impl->AddAnimation(animation.Pass());

  scoped_ptr<KeyframedTransformAnimationCurve> curve2(
      KeyframedTransformAnimationCurve::Create());

  TransformOperations operations2;
  curve2->AddKeyframe(TransformKeyframe::Create(
      0.0, operations2, scoped_ptr<TimingFunction>()));
  operations2.AppendScale(2.0, 3.0, 4.0);
  curve2->AddKeyframe(TransformKeyframe::Create(
      1.0, operations2, scoped_ptr<TimingFunction>()));

  animation = Animation::Create(
      curve2.PassAs<AnimationCurve>(), 2, 2, Animation::Transform);
  controller_impl->AddAnimation(animation.Pass());

  gfx::BoxF box(1.f, 2.f, -1.f, 3.f, 4.f, 5.f);
  gfx::BoxF bounds;

  EXPECT_TRUE(controller_impl->TransformAnimationBoundsForBox(box, &bounds));
  EXPECT_EQ(gfx::BoxF(1.f, 2.f, -4.f, 13.f, 19.f, 20.f).ToString(),
            bounds.ToString());

  controller_impl->GetAnimation(1, Animation::Transform)
      ->SetRunState(Animation::Finished, 0.0);

  // Only the unfinished animation should affect the animated bounds.
  EXPECT_TRUE(controller_impl->TransformAnimationBoundsForBox(box, &bounds));
  EXPECT_EQ(gfx::BoxF(1.f, 2.f, -4.f, 7.f, 16.f, 20.f).ToString(),
            bounds.ToString());

  controller_impl->GetAnimation(2, Animation::Transform)
      ->SetRunState(Animation::Finished, 0.0);

  // There are no longer any running animations.
  EXPECT_FALSE(controller_impl->HasTransformAnimationThatInflatesBounds());

  // Add an animation whose bounds we don't yet support computing.
  scoped_ptr<KeyframedTransformAnimationCurve> curve3(
      KeyframedTransformAnimationCurve::Create());
  TransformOperations operations3;
  gfx::Transform transform3;
  transform3.Scale3d(1.0, 2.0, 3.0);
  curve3->AddKeyframe(TransformKeyframe::Create(
      0.0, operations3, scoped_ptr<TimingFunction>()));
  operations3.AppendMatrix(transform3);
  curve3->AddKeyframe(TransformKeyframe::Create(
      1.0, operations3, scoped_ptr<TimingFunction>()));
  animation = Animation::Create(
      curve3.PassAs<AnimationCurve>(), 3, 3, Animation::Transform);
  controller_impl->AddAnimation(animation.Pass());
  EXPECT_FALSE(controller_impl->TransformAnimationBoundsForBox(box, &bounds));
}

// Tests that AbortAnimations aborts all animations targeting the specified
// property.
TEST(LayerAnimationControllerTest, AbortAnimations) {
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  // Start with several animations, and allow some of them to reach the finished
  // state.
  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeTransformTransition(1.0)).Pass(),
      1,
      Animation::Transform));
  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      2,
      Animation::Opacity));
  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeTransformTransition(1.0)).Pass(),
      3,
      Animation::Transform));
  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeTransformTransition(2.0)).Pass(),
      4,
      Animation::Transform));
  controller->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      5,
      Animation::Opacity));

  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, NULL);
  controller->Animate(kInitialTickTime + 1.0);
  controller->UpdateState(true, NULL);

  EXPECT_EQ(Animation::Finished,
            controller->GetAnimation(1, Animation::Transform)->run_state());
  EXPECT_EQ(Animation::Finished,
            controller->GetAnimation(2, Animation::Opacity)->run_state());
  EXPECT_EQ(Animation::Running,
            controller->GetAnimation(3, Animation::Transform)->run_state());
  EXPECT_EQ(Animation::WaitingForTargetAvailability,
            controller->GetAnimation(4, Animation::Transform)->run_state());
  EXPECT_EQ(Animation::Running,
            controller->GetAnimation(5, Animation::Opacity)->run_state());

  controller->AbortAnimations(Animation::Transform);

  // Only un-finished Transform animations should have been aborted.
  EXPECT_EQ(Animation::Finished,
            controller->GetAnimation(1, Animation::Transform)->run_state());
  EXPECT_EQ(Animation::Finished,
            controller->GetAnimation(2, Animation::Opacity)->run_state());
  EXPECT_EQ(Animation::Aborted,
            controller->GetAnimation(3, Animation::Transform)->run_state());
  EXPECT_EQ(Animation::Aborted,
            controller->GetAnimation(4, Animation::Transform)->run_state());
  EXPECT_EQ(Animation::Running,
            controller->GetAnimation(5, Animation::Opacity)->run_state());
}

// An animation aborted on the main thread should get deleted on both threads.
TEST(LayerAnimationControllerTest, MainThreadAbortedAnimationGetsDeleted) {
  FakeLayerAnimationValueObserver dummy_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  AddOpacityTransitionToController(controller.get(), 1.0, 0.f, 1.f, false);
  int group_id = controller->GetAnimation(Animation::Opacity)->group();

  controller->PushAnimationUpdatesTo(controller_impl.get());
  EXPECT_TRUE(controller_impl->GetAnimation(group_id, Animation::Opacity));

  controller->AbortAnimations(Animation::Opacity);
  EXPECT_EQ(Animation::Aborted,
            controller->GetAnimation(Animation::Opacity)->run_state());
  EXPECT_FALSE(dummy.animation_waiting_for_deletion());
  EXPECT_FALSE(dummy_impl.animation_waiting_for_deletion());

  controller->Animate(kInitialTickTime);
  controller->UpdateState(true, NULL);
  EXPECT_TRUE(dummy.animation_waiting_for_deletion());
  EXPECT_EQ(Animation::WaitingForDeletion,
            controller->GetAnimation(Animation::Opacity)->run_state());

  controller->PushAnimationUpdatesTo(controller_impl.get());
  EXPECT_FALSE(controller->GetAnimation(group_id, Animation::Opacity));
  EXPECT_FALSE(controller_impl->GetAnimation(group_id, Animation::Opacity));
}

// An animation aborted on the impl thread should get deleted on both threads.
TEST(LayerAnimationControllerTest, ImplThreadAbortedAnimationGetsDeleted) {
  FakeLayerAnimationValueObserver dummy_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);
  FakeLayerAnimationValueObserver dummy;
  scoped_refptr<LayerAnimationController> controller(
      LayerAnimationController::Create(0));
  controller->AddValueObserver(&dummy);

  AddOpacityTransitionToController(controller.get(), 1.0, 0.f, 1.f, false);
  int group_id = controller->GetAnimation(Animation::Opacity)->group();

  controller->PushAnimationUpdatesTo(controller_impl.get());
  EXPECT_TRUE(controller_impl->GetAnimation(group_id, Animation::Opacity));

  controller_impl->AbortAnimations(Animation::Opacity);
  EXPECT_EQ(Animation::Aborted,
            controller_impl->GetAnimation(Animation::Opacity)->run_state());
  EXPECT_FALSE(dummy.animation_waiting_for_deletion());
  EXPECT_FALSE(dummy_impl.animation_waiting_for_deletion());

  AnimationEventsVector events;
  controller_impl->Animate(kInitialTickTime);
  controller_impl->UpdateState(true, &events);
  EXPECT_TRUE(dummy_impl.animation_waiting_for_deletion());
  EXPECT_EQ(1u, events.size());
  EXPECT_EQ(AnimationEvent::Aborted, events[0].type);
  EXPECT_EQ(Animation::WaitingForDeletion,
            controller_impl->GetAnimation(Animation::Opacity)->run_state());

  controller->NotifyAnimationAborted(events[0]);
  EXPECT_EQ(Animation::Aborted,
            controller->GetAnimation(Animation::Opacity)->run_state());

  controller->Animate(kInitialTickTime + 0.5);
  controller->UpdateState(true, NULL);
  EXPECT_TRUE(dummy.animation_waiting_for_deletion());
  EXPECT_EQ(Animation::WaitingForDeletion,
            controller->GetAnimation(Animation::Opacity)->run_state());

  controller->PushAnimationUpdatesTo(controller_impl.get());
  EXPECT_FALSE(controller->GetAnimation(group_id, Animation::Opacity));
  EXPECT_FALSE(controller_impl->GetAnimation(group_id, Animation::Opacity));
}

// Ensure that we only generate Finished events for animations in a group
// once all animations in that group are finished.
TEST(LayerAnimationControllerTest, FinishedEventsForGroup) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);

  // Add two animations with the same group id but different durations.
  controller_impl->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeTransformTransition(2.0)).Pass(),
      1,
      Animation::Transform));
  controller_impl->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      1,
      Animation::Opacity));

  controller_impl->Animate(kInitialTickTime);
  controller_impl->UpdateState(true, events.get());

  // Both animations should have started.
  EXPECT_EQ(2u, events->size());
  EXPECT_EQ(AnimationEvent::Started, (*events)[0].type);
  EXPECT_EQ(AnimationEvent::Started, (*events)[1].type);

  events.reset(new AnimationEventsVector);
  controller_impl->Animate(kInitialTickTime + 1.0);
  controller_impl->UpdateState(true, events.get());

  // The opacity animation should be finished, but should not have generated
  // a Finished event yet.
  EXPECT_EQ(0u, events->size());
  EXPECT_EQ(Animation::Finished,
            controller_impl->GetAnimation(1, Animation::Opacity)->run_state());
  EXPECT_EQ(Animation::Running,
            controller_impl->GetAnimation(1,
                                          Animation::Transform)->run_state());

  controller_impl->Animate(kInitialTickTime + 2.0);
  controller_impl->UpdateState(true, events.get());

  // Both animations should have generated Finished events.
  EXPECT_EQ(2u, events->size());
  EXPECT_EQ(AnimationEvent::Finished, (*events)[0].type);
  EXPECT_EQ(AnimationEvent::Finished, (*events)[1].type);
}

// Ensure that when a group has a mix of aborted and finished animations,
// we generate a Finished event for the finished animation and an Aborted
// event for the aborted animation.
TEST(LayerAnimationControllerTest, FinishedAndAbortedEventsForGroup) {
  scoped_ptr<AnimationEventsVector> events(
      make_scoped_ptr(new AnimationEventsVector));
  FakeLayerAnimationValueObserver dummy_impl;
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));
  controller_impl->AddValueObserver(&dummy_impl);

  // Add two animations with the same group id.
  controller_impl->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeTransformTransition(1.0)).Pass(),
      1,
      Animation::Transform));
  controller_impl->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      1,
      Animation::Opacity));

  controller_impl->Animate(kInitialTickTime);
  controller_impl->UpdateState(true, events.get());

  // Both animations should have started.
  EXPECT_EQ(2u, events->size());
  EXPECT_EQ(AnimationEvent::Started, (*events)[0].type);
  EXPECT_EQ(AnimationEvent::Started, (*events)[1].type);

  controller_impl->AbortAnimations(Animation::Opacity);

  events.reset(new AnimationEventsVector);
  controller_impl->Animate(kInitialTickTime + 1.0);
  controller_impl->UpdateState(true, events.get());

  // We should have exactly 2 events: a Finished event for the tranform
  // animation, and an Aborted event for the opacity animation.
  EXPECT_EQ(2u, events->size());
  EXPECT_EQ(AnimationEvent::Finished, (*events)[0].type);
  EXPECT_EQ(Animation::Transform, (*events)[0].target_property);
  EXPECT_EQ(AnimationEvent::Aborted, (*events)[1].type);
  EXPECT_EQ(Animation::Opacity, (*events)[1].target_property);
}

TEST(LayerAnimationControllerTest, HasAnimationThatAffectsScale) {
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));

  EXPECT_FALSE(controller_impl->HasAnimationThatAffectsScale());

  controller_impl->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      1,
      Animation::Opacity));

  // Opacity animations don't affect scale.
  EXPECT_FALSE(controller_impl->HasAnimationThatAffectsScale());

  scoped_ptr<KeyframedTransformAnimationCurve> curve1(
      KeyframedTransformAnimationCurve::Create());

  TransformOperations operations1;
  curve1->AddKeyframe(TransformKeyframe::Create(
      0.0, operations1, scoped_ptr<TimingFunction>()));
  operations1.AppendTranslate(10.0, 15.0, 0.0);
  curve1->AddKeyframe(TransformKeyframe::Create(
      1.0, operations1, scoped_ptr<TimingFunction>()));

  scoped_ptr<Animation> animation(Animation::Create(
      curve1.PassAs<AnimationCurve>(), 2, 2, Animation::Transform));
  controller_impl->AddAnimation(animation.Pass());

  // Translations don't affect scale.
  EXPECT_FALSE(controller_impl->HasAnimationThatAffectsScale());

  scoped_ptr<KeyframedTransformAnimationCurve> curve2(
      KeyframedTransformAnimationCurve::Create());

  TransformOperations operations2;
  curve2->AddKeyframe(TransformKeyframe::Create(
      0.0, operations2, scoped_ptr<TimingFunction>()));
  operations2.AppendScale(2.0, 3.0, 4.0);
  curve2->AddKeyframe(TransformKeyframe::Create(
      1.0, operations2, scoped_ptr<TimingFunction>()));

  animation = Animation::Create(
      curve2.PassAs<AnimationCurve>(), 3, 3, Animation::Transform);
  controller_impl->AddAnimation(animation.Pass());

  EXPECT_TRUE(controller_impl->HasAnimationThatAffectsScale());

  controller_impl->GetAnimation(3, Animation::Transform)
      ->SetRunState(Animation::Finished, 0.0);

  // Only unfinished animations should be considered by
  // HasAnimationThatAffectsScale.
  EXPECT_FALSE(controller_impl->HasAnimationThatAffectsScale());
}

TEST(LayerAnimationControllerTest, HasOnlyTranslationTransforms) {
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));

  EXPECT_TRUE(controller_impl->HasOnlyTranslationTransforms());

  controller_impl->AddAnimation(CreateAnimation(
      scoped_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)).Pass(),
      1,
      Animation::Opacity));

  // Opacity animations aren't non-translation transforms.
  EXPECT_TRUE(controller_impl->HasOnlyTranslationTransforms());

  scoped_ptr<KeyframedTransformAnimationCurve> curve1(
      KeyframedTransformAnimationCurve::Create());

  TransformOperations operations1;
  curve1->AddKeyframe(TransformKeyframe::Create(
      0.0, operations1, scoped_ptr<TimingFunction>()));
  operations1.AppendTranslate(10.0, 15.0, 0.0);
  curve1->AddKeyframe(TransformKeyframe::Create(
      1.0, operations1, scoped_ptr<TimingFunction>()));

  scoped_ptr<Animation> animation(Animation::Create(
      curve1.PassAs<AnimationCurve>(), 2, 2, Animation::Transform));
  controller_impl->AddAnimation(animation.Pass());

  // The only transform animation we've added is a translation.
  EXPECT_TRUE(controller_impl->HasOnlyTranslationTransforms());

  scoped_ptr<KeyframedTransformAnimationCurve> curve2(
      KeyframedTransformAnimationCurve::Create());

  TransformOperations operations2;
  curve2->AddKeyframe(TransformKeyframe::Create(
      0.0, operations2, scoped_ptr<TimingFunction>()));
  operations2.AppendScale(2.0, 3.0, 4.0);
  curve2->AddKeyframe(TransformKeyframe::Create(
      1.0, operations2, scoped_ptr<TimingFunction>()));

  animation = Animation::Create(
      curve2.PassAs<AnimationCurve>(), 3, 3, Animation::Transform);
  controller_impl->AddAnimation(animation.Pass());

  // A scale animation is not a translation.
  EXPECT_FALSE(controller_impl->HasOnlyTranslationTransforms());

  controller_impl->GetAnimation(3, Animation::Transform)
      ->SetRunState(Animation::Finished, 0.0);

  // Only unfinished animations should be considered by
  // HasOnlyTranslationTransforms.
  EXPECT_TRUE(controller_impl->HasOnlyTranslationTransforms());
}

TEST(LayerAnimationControllerTest, MaximumScale) {
  scoped_refptr<LayerAnimationController> controller_impl(
      LayerAnimationController::Create(0));

  float max_scale = 0.f;
  EXPECT_TRUE(controller_impl->MaximumScale(&max_scale));
  EXPECT_EQ(0.f, max_scale);

  scoped_ptr<KeyframedTransformAnimationCurve> curve1(
      KeyframedTransformAnimationCurve::Create());

  TransformOperations operations1;
  curve1->AddKeyframe(TransformKeyframe::Create(
      0.0, operations1, scoped_ptr<TimingFunction>()));
  operations1.AppendScale(2.0, 3.0, 4.0);
  curve1->AddKeyframe(TransformKeyframe::Create(
      1.0, operations1, scoped_ptr<TimingFunction>()));

  scoped_ptr<Animation> animation(Animation::Create(
      curve1.PassAs<AnimationCurve>(), 1, 1, Animation::Transform));
  controller_impl->AddAnimation(animation.Pass());

  EXPECT_TRUE(controller_impl->MaximumScale(&max_scale));
  EXPECT_EQ(4.f, max_scale);

  scoped_ptr<KeyframedTransformAnimationCurve> curve2(
      KeyframedTransformAnimationCurve::Create());

  TransformOperations operations2;
  curve2->AddKeyframe(TransformKeyframe::Create(
      0.0, operations2, scoped_ptr<TimingFunction>()));
  operations2.AppendScale(6.0, 5.0, 4.0);
  curve2->AddKeyframe(TransformKeyframe::Create(
      1.0, operations2, scoped_ptr<TimingFunction>()));

  animation = Animation::Create(
      curve2.PassAs<AnimationCurve>(), 2, 2, Animation::Transform);
  controller_impl->AddAnimation(animation.Pass());

  EXPECT_TRUE(controller_impl->MaximumScale(&max_scale));
  EXPECT_EQ(6.f, max_scale);

  scoped_ptr<KeyframedTransformAnimationCurve> curve3(
      KeyframedTransformAnimationCurve::Create());

  TransformOperations operations3;
  curve3->AddKeyframe(TransformKeyframe::Create(
      0.0, operations3, scoped_ptr<TimingFunction>()));
  operations3.AppendPerspective(6.0);
  curve3->AddKeyframe(TransformKeyframe::Create(
      1.0, operations3, scoped_ptr<TimingFunction>()));

  animation = Animation::Create(
      curve3.PassAs<AnimationCurve>(), 3, 3, Animation::Transform);
  controller_impl->AddAnimation(animation.Pass());

  EXPECT_FALSE(controller_impl->MaximumScale(&max_scale));

  controller_impl->GetAnimation(3, Animation::Transform)
      ->SetRunState(Animation::Finished, 0.0);
  controller_impl->GetAnimation(2, Animation::Transform)
      ->SetRunState(Animation::Finished, 0.0);

  // Only unfinished animations should be considered by
  // MaximumScale.
  EXPECT_TRUE(controller_impl->MaximumScale(&max_scale));
  EXPECT_EQ(4.f, max_scale);
}

}  // namespace
}  // namespace cc