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// Copyright (c) 2011 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 "ui/gfx/animation/animation_container.h"
#include "base/memory/scoped_ptr.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/animation/animation_container_observer.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) {
}
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;
}
int progressed_count_;
bool empty_;
DISALLOW_COPY_AND_ASSIGN(FakeAnimationContainerObserver);
};
class TestAnimation : public LinearAnimation {
public:
explicit TestAnimation(AnimationDelegate* delegate)
: LinearAnimation(20, 20, delegate) {
}
void AnimateToState(double state) override {}
private:
DISALLOW_COPY_AND_ASSIGN(TestAnimation);
};
} // namespace
class AnimationContainerTest: public testing::Test {
private:
base::MessageLoopForUI message_loop_;
};
// 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());
scoped_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) {
TestAnimationDelegate delegate1;
TestAnimationDelegate delegate2;
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.
base::MessageLoop::current()->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) {
FakeAnimationContainerObserver observer;
TestAnimationDelegate delegate1;
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.
base::MessageLoop::current()->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);
}
} // namespace gfx
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