Added material design mouse hover feedback support.

ui/views/animation/ink_drop_animation_controller_impl_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 "base/macros.h"
+#include "base/test/test_simple_task_runner.h"
+#include "base/thread_task_runner_handle.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/compositor/scoped_animation_duration_scale_mode.h"
+#include "ui/views/animation/ink_drop_animation_controller_impl.h"
+#include "ui/views/animation/test/test_ink_drop_host.h"
+
+namespace views {
+
+// NOTE: The InkDropAnimationControllerImpl class is also tested by the
+// InkDropAnimationControllerFactoryTest tests.
+class InkDropAnimationControllerImplTest : public testing::Test {
+ public:
+  InkDropAnimationControllerImplTest();
+  ~InkDropAnimationControllerImplTest() override;
+
+ protected:
+  TestInkDropHost ink_drop_host_;
+
+  // The test target.
+  InkDropAnimationControllerImpl ink_drop_animation_controller_;
+
+  // Used to control the tasks scheduled by the InkDropAnimationControllerImpl's
+  // Timer.
+  scoped_refptr<base::TestSimpleTaskRunner> task_runner_;
+
+  // Required by base::Timer's.
+  scoped_ptr<base::ThreadTaskRunnerHandle> thread_task_runner_handle_;
+
+ private:
+  // Ensures all animations complete immediately.
+  scoped_ptr<ui::ScopedAnimationDurationScaleMode> zero_duration_mode_;
+
+  DISALLOW_COPY_AND_ASSIGN(InkDropAnimationControllerImplTest);
+};
+
+InkDropAnimationControllerImplTest::InkDropAnimationControllerImplTest()
+    : ink_drop_animation_controller_(&ink_drop_host_),
+      task_runner_(new base::TestSimpleTaskRunner),
+      thread_task_runner_handle_(
+          new base::ThreadTaskRunnerHandle(task_runner_)) {
+  zero_duration_mode_.reset(new ui::ScopedAnimationDurationScaleMode(
+      ui::ScopedAnimationDurationScaleMode::ZERO_DURATION));
+}
+
+InkDropAnimationControllerImplTest::~InkDropAnimationControllerImplTest() {}
+
+TEST_F(InkDropAnimationControllerImplTest, SetHoveredIsHovered) {
+  ink_drop_host_.set_should_show_hover(true);
+
+  ink_drop_animation_controller_.SetHovered(true);
+  EXPECT_TRUE(ink_drop_animation_controller_.IsHovered());
+
+  ink_drop_animation_controller_.SetHovered(false);
+  EXPECT_FALSE(ink_drop_animation_controller_.IsHovered());
+}
+
+TEST_F(InkDropAnimationControllerImplTest,
+       HoveredStateAfterHoverTimerFiresWhenHostIsHovered) {
+  ink_drop_host_.set_should_show_hover(true);
+  ink_drop_animation_controller_.AnimateToState(InkDropState::QUICK_ACTION);
+
+  EXPECT_TRUE(task_runner_->HasPendingTask());
+
+  task_runner_->RunPendingTasks();
+
+  EXPECT_TRUE(ink_drop_animation_controller_.IsHovered());
+}
+
+TEST_F(InkDropAnimationControllerImplTest,
+       HoveredStateAfterHoverTimerFiresWhenHostIsNotHovered) {
+  ink_drop_host_.set_should_show_hover(false);
+  ink_drop_animation_controller_.AnimateToState(InkDropState::QUICK_ACTION);
+
+  EXPECT_TRUE(task_runner_->HasPendingTask());
+
+  task_runner_->RunPendingTasks();
+
+  EXPECT_FALSE(ink_drop_animation_controller_.IsHovered());
+}
+
+}  // namespace views