Revert "chromeos: Move files in //ash/common to //ash, part 2"

ash/wm/overview/cleanup_animation_observer_unittest.cc

-// 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 "ash/wm/overview/cleanup_animation_observer.h"
-
-#include <vector>
-
-#include "ash/common/wm_window.h"
-#include "ash/test/ash_test_base.h"
-#include "ash/wm/overview/window_selector_delegate.h"
-#include "ui/compositor/layer_animation_observer.h"
-#include "ui/compositor/scoped_animation_duration_scale_mode.h"
-#include "ui/compositor/scoped_layer_animation_settings.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/views/widget/widget.h"
-#include "ui/views/widget/widget_observer.h"
-
-namespace ash {
-namespace {
-
-class TestWindowSelectorDelegate : public WindowSelectorDelegate {
- public:
-  TestWindowSelectorDelegate() = default;
-
-  ~TestWindowSelectorDelegate() override {
-    // Destroy widgets that may be still animating if shell shuts down soon
-    // after exiting overview mode.
-    for (std::unique_ptr<DelayedAnimationObserver>& observer : observers_)
-      observer->Shutdown();
-  }
-
-  // WindowSelectorDelegate:
-  void OnSelectionEnded() override {}
-
-  void AddDelayedAnimationObserver(
-      std::unique_ptr<DelayedAnimationObserver> animation_observer) override {
-    animation_observer->SetOwner(this);
-    observers_.push_back(std::move(animation_observer));
-  }
-
-  void RemoveAndDestroyAnimationObserver(
-      DelayedAnimationObserver* animation_observer) override {
-    class IsEqual {
-     public:
-      explicit IsEqual(DelayedAnimationObserver* animation_observer)
-          : animation_observer_(animation_observer) {}
-      bool operator()(const std::unique_ptr<DelayedAnimationObserver>& other) {
-        return (other.get() == animation_observer_);
-      }
-
-     private:
-      const DelayedAnimationObserver* animation_observer_;
-    };
-    observers_.erase(std::remove_if(observers_.begin(), observers_.end(),
-                                    IsEqual(animation_observer)),
-                     observers_.end());
-  }
-
- private:
-  std::vector<std::unique_ptr<DelayedAnimationObserver>> observers_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestWindowSelectorDelegate);
-};
-
-class CleanupAnimationObserverTest : public test::AshTestBase,
-                                     public views::WidgetObserver {
- public:
-  CleanupAnimationObserverTest() = default;
-
-  ~CleanupAnimationObserverTest() override {
-    if (widget_)
-      widget_->RemoveObserver(this);
-  }
-
-  // Creates a Widget containing a Window with the given |bounds|. This should
-  // be used when the test requires a Widget. For example any test that will
-  // cause a window to be closed via
-  // views::Widget::GetWidgetForNativeView(window)->Close().
-  std::unique_ptr<views::Widget> CreateWindowWidget(const gfx::Rect& bounds) {
-    std::unique_ptr<views::Widget> widget(new views::Widget);
-    views::Widget::InitParams params;
-    params.bounds = bounds;
-    params.type = views::Widget::InitParams::TYPE_WINDOW;
-    params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
-    widget->Init(params);
-    widget->Show();
-    ParentWindowInPrimaryRootWindow(widget->GetNativeWindow());
-    widget->AddObserver(this);
-    widget_ = widget.get();
-    return widget;
-  }
-
- protected:
-  bool widget_destroyed() { return !widget_; }
-
- private:
-  void OnWidgetDestroyed(views::Widget* widget) override {
-    if (widget_ == widget)
-      widget_ = nullptr;
-  }
-
-  views::Widget* widget_ = nullptr;
-
-  DISALLOW_COPY_AND_ASSIGN(CleanupAnimationObserverTest);
-};
-
-}  // namespace
-
-// Tests that basic create-destroy sequence does not crash.
-TEST_F(CleanupAnimationObserverTest, CreateDestroy) {
-  TestWindowSelectorDelegate delegate;
-  std::unique_ptr<views::Widget> widget(
-      CreateWindowWidget(gfx::Rect(0, 0, 40, 40)));
-  std::unique_ptr<CleanupAnimationObserver> observer(
-      new CleanupAnimationObserver(std::move(widget)));
-  delegate.AddDelayedAnimationObserver(std::move(observer));
-}
-
-// Tests that completing animation deletes the animation observer and the
-// test widget and that deleting the WindowSelectorDelegate instance which
-// owns the observer does not crash.
-TEST_F(CleanupAnimationObserverTest, CreateAnimateComplete) {
-  TestWindowSelectorDelegate delegate;
-  std::unique_ptr<views::Widget> widget(
-      CreateWindowWidget(gfx::Rect(0, 0, 40, 40)));
-  WmWindow* widget_window = WmWindow::Get(widget->GetNativeWindow());
-  {
-    ui::ScopedLayerAnimationSettings animation_settings(
-        widget_window->GetLayer()->GetAnimator());
-    animation_settings.SetTransitionDuration(
-        base::TimeDelta::FromMilliseconds(1000));
-    animation_settings.SetPreemptionStrategy(
-        ui::LayerAnimator::IMMEDIATELY_ANIMATE_TO_NEW_TARGET);
-
-    std::unique_ptr<CleanupAnimationObserver> observer(
-        new CleanupAnimationObserver(std::move(widget)));
-    animation_settings.AddObserver(observer.get());
-    delegate.AddDelayedAnimationObserver(std::move(observer));
-
-    widget_window->SetBounds(gfx::Rect(50, 50, 60, 60));
-  }
-  // The widget should be destroyed when |animation_settings| gets out of scope
-  // which in absence of NON_ZERO_DURATION animation duration mode completes
-  // the animation and calls OnImplicitAnimationsCompleted() on the cleanup
-  // observer and auto-deletes the owned widget.
-  EXPECT_TRUE(widget_destroyed());
-  // TestWindowSelectorDelegate going out of scope should not crash.
-}
-
-// Tests that starting an animation and exiting doesn't crash. If not for
-// TestWindowSelectorDelegate calling Shutdown() on a CleanupAnimationObserver
-// instance in destructor, this test would have crashed.
-TEST_F(CleanupAnimationObserverTest, CreateAnimateShutdown) {
-  TestWindowSelectorDelegate delegate;
-  std::unique_ptr<views::Widget> widget(
-      CreateWindowWidget(gfx::Rect(0, 0, 40, 40)));
-  WmWindow* widget_window = WmWindow::Get(widget->GetNativeWindow());
-  {
-    // Normal animations for tests have ZERO_DURATION, make sure we are actually
-    // animating the movement.
-    ui::ScopedAnimationDurationScaleMode animation_scale_mode(
-        ui::ScopedAnimationDurationScaleMode::NON_ZERO_DURATION);
-    ui::ScopedLayerAnimationSettings animation_settings(
-        widget_window->GetLayer()->GetAnimator());
-    animation_settings.SetTransitionDuration(
-        base::TimeDelta::FromMilliseconds(1000));
-    animation_settings.SetPreemptionStrategy(
-        ui::LayerAnimator::IMMEDIATELY_ANIMATE_TO_NEW_TARGET);
-
-    std::unique_ptr<CleanupAnimationObserver> observer(
-        new CleanupAnimationObserver(std::move(widget)));
-    animation_settings.AddObserver(observer.get());
-    delegate.AddDelayedAnimationObserver(std::move(observer));
-
-    widget_window->SetBounds(gfx::Rect(50, 50, 60, 60));
-  }
-  // The widget still exists.
-  EXPECT_FALSE(widget_destroyed());
-  // The test widget is auto-deleted when |delegate| that owns it goes out of
-  // scope. The animation is still active when this happens which should not
-  // crash.
-}
-
-}  // namespace ash