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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gfx/animation/animation_container.h"
#include <memory>
#include "base/run_loop.h"
#include "base/test/task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/animation/animation_container_observer.h"
#include "ui/gfx/animation/animation_test_api.h"
#include "ui/gfx/animation/linear_animation.h"
#include "ui/gfx/animation/test_animation_delegate.h"
namespace gfx {
namespace {
class FakeAnimationContainerObserver : public AnimationContainerObserver {
public:
FakeAnimationContainerObserver()
: progressed_count_(0),
empty_(false) {
}
FakeAnimationContainerObserver(const FakeAnimationContainerObserver&) =
delete;
FakeAnimationContainerObserver& operator=(
const FakeAnimationContainerObserver&) = delete;
int progressed_count() const { return progressed_count_; }
bool empty() const { return empty_; }
private:
void AnimationContainerProgressed(AnimationContainer* container) override {
progressed_count_++;
}
// Invoked when no more animations are being managed by this container.
void AnimationContainerEmpty(AnimationContainer* container) override {
empty_ = true;
}
void AnimationContainerShuttingDown(AnimationContainer* container) override {}
int progressed_count_;
bool empty_;
};
class TestAnimation : public LinearAnimation {
public:
explicit TestAnimation(AnimationDelegate* delegate)
: LinearAnimation(base::Milliseconds(20), 20, delegate) {}
TestAnimation(const TestAnimation&) = delete;
TestAnimation& operator=(const TestAnimation&) = delete;
void AnimateToState(double state) override {}
using LinearAnimation::duration;
};
} // namespace
class AnimationContainerTest: public testing::Test {
protected:
AnimationContainerTest()
: task_environment_(
base::test::SingleThreadTaskEnvironment::MainThreadType::UI) {}
private:
base::test::SingleThreadTaskEnvironment task_environment_;
};
// Makes sure the animation ups the ref count of the container and releases it
// appropriately.
TEST_F(AnimationContainerTest, Ownership) {
TestAnimationDelegate delegate;
scoped_refptr<AnimationContainer> container(new AnimationContainer());
std::unique_ptr<Animation> animation(new TestAnimation(&delegate));
animation->SetContainer(container.get());
// Setting the container should up the ref count.
EXPECT_FALSE(container->HasOneRef());
animation.reset();
// Releasing the animation should decrement the ref count.
EXPECT_TRUE(container->HasOneRef());
}
// Makes sure multiple animations are managed correctly.
TEST_F(AnimationContainerTest, Multi) {
base::RunLoop loop1;
TestAnimationDelegate delegate1;
TestAnimationDelegate delegate2;
delegate1.set_quit_closure(loop1.QuitWhenIdleClosure());
delegate2.set_quit_closure(loop1.QuitWhenIdleClosure());
scoped_refptr<AnimationContainer> container(new AnimationContainer());
TestAnimation animation1(&delegate1);
TestAnimation animation2(&delegate2);
animation1.SetContainer(container.get());
animation2.SetContainer(container.get());
// Start both animations.
animation1.Start();
EXPECT_TRUE(container->is_running());
animation2.Start();
EXPECT_TRUE(container->is_running());
// Run the message loop the delegate quits the message loop when notified.
loop1.Run();
// Both timers should have finished.
EXPECT_TRUE(delegate1.finished());
EXPECT_TRUE(delegate2.finished());
// And the container should no longer be runnings.
EXPECT_FALSE(container->is_running());
}
// Makes sure observer is notified appropriately.
TEST_F(AnimationContainerTest, Observer) {
base::RunLoop loop;
FakeAnimationContainerObserver observer;
TestAnimationDelegate delegate1;
delegate1.set_quit_closure(loop.QuitWhenIdleClosure());
scoped_refptr<AnimationContainer> container(new AnimationContainer());
container->set_observer(&observer);
TestAnimation animation1(&delegate1);
animation1.SetContainer(container.get());
// Start the animation.
animation1.Start();
EXPECT_TRUE(container->is_running());
// Run the message loop. The delegate quits the message loop when notified.
loop.Run();
EXPECT_EQ(1, observer.progressed_count());
// The timer should have finished.
EXPECT_TRUE(delegate1.finished());
EXPECT_TRUE(observer.empty());
// And the container should no longer be running.
EXPECT_FALSE(container->is_running());
container->set_observer(NULL);
}
// Tests that calling SetAnimationRunner() keeps running animations at their
// current point.
TEST_F(AnimationContainerTest, AnimationsRunAcrossRunnerChange) {
TestAnimationDelegate delegate;
auto container = base::MakeRefCounted<AnimationContainer>();
AnimationContainerTestApi test_api(container.get());
TestAnimation animation(&delegate);
animation.SetContainer(container.get());
animation.Start();
test_api.IncrementTime(animation.duration() / 2);
EXPECT_FALSE(delegate.finished());
container->SetAnimationRunner(nullptr);
AnimationRunner* runner = container->animation_runner_for_testing();
ASSERT_TRUE(runner);
ASSERT_FALSE(runner->step_is_null_for_testing());
EXPECT_FALSE(delegate.finished());
test_api.IncrementTime(animation.duration() / 2);
EXPECT_TRUE(delegate.finished());
}
} // namespace gfx
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