Source/core/animation/PlayerTest.cpp

/*
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#include "config.h"
#include "core/animation/Player.h"

#include "core/animation/Animation.h"
#include "core/animation/AnimationClock.h"
#include "core/animation/DocumentTimeline.h"
#include "core/dom/Document.h"
#include "core/dom/QualifiedName.h"
#include "weborigin/KURL.h"
#include <gtest/gtest.h>

using namespace WebCore;

namespace {

class CoreAnimationPlayerTest : public ::testing::Test {
protected:
    virtual void SetUp()
    {
        document = Document::create();
        document->animationClock().resetTimeForTesting();
        timeline = DocumentTimeline::create(document.get());
        player = Player::create(*timeline, 0);
        timeline->setZeroTime(0);
    }

    bool updateTimeline(double time, double* timeToEffectChange = 0)
    {
        timeline->serviceAnimations(time);
        // The timeline does not know about our player, so we have to explicitly call update().
        return player->update(timeToEffectChange);
    }

    RefPtr<Document> document;
    RefPtr<DocumentTimeline> timeline;
    RefPtr<Player> player;
};

TEST_F(CoreAnimationPlayerTest, InitialState)
{
    EXPECT_EQ(0, timeline->currentTime());
    EXPECT_EQ(0, player->currentTime());
    EXPECT_FALSE(player->paused());
    EXPECT_EQ(1, player->playbackRate());
    EXPECT_EQ(0, player->startTime());
    EXPECT_EQ(0, player->timeDrift());
}

TEST_F(CoreAnimationPlayerTest, CreatePlayerAfterTimelineStarted)
{
    updateTimeline(1234);
    EXPECT_EQ(1234, timeline->currentTime());
    RefPtr<Player> player = Player::create(*timeline, 0);
    EXPECT_EQ(1234, player->startTime());
    EXPECT_EQ(0, player->currentTime());
}

TEST_F(CoreAnimationPlayerTest, PauseUnpause)
{
    updateTimeline(200);
    player->setPaused(true);
    EXPECT_TRUE(player->paused());
    EXPECT_EQ(200, player->currentTime());
    EXPECT_EQ(0, player->timeDrift());

    updateTimeline(400);
    player->setPaused(false);
    EXPECT_FALSE(player->paused());
    EXPECT_EQ(200, player->currentTime());
    EXPECT_EQ(200, player->timeDrift());

    updateTimeline(600);
    EXPECT_EQ(400, player->currentTime());
    EXPECT_EQ(200, player->timeDrift());
}

TEST_F(CoreAnimationPlayerTest, PauseBeforeTimelineStarted)
{
    player->setPaused(true);
    EXPECT_TRUE(player->paused());
    EXPECT_EQ(0, player->currentTime());
    EXPECT_EQ(0, player->timeDrift());

    player->setPaused(false);
    EXPECT_FALSE(player->paused());
    EXPECT_EQ(0, player->currentTime());
    EXPECT_EQ(0, player->timeDrift());

    player->setPaused(true);
    updateTimeline(100);
    EXPECT_TRUE(player->paused());
    EXPECT_EQ(0, player->currentTime());
    EXPECT_EQ(100, player->timeDrift());

    player->setPaused(false);
    EXPECT_EQ(0, player->currentTime());
    EXPECT_EQ(100, player->timeDrift());
}

TEST_F(CoreAnimationPlayerTest, SetCurrentTime)
{
    updateTimeline(0);
    player->setCurrentTime(250);
    EXPECT_EQ(250, player->currentTime());
    EXPECT_EQ(-250, player->timeDrift());
}

TEST_F(CoreAnimationPlayerTest, SetCurrentTimeBeforeTimelineStarted)
{
    player->setCurrentTime(250);
    EXPECT_EQ(250, player->currentTime());
    EXPECT_EQ(-250, player->timeDrift());

    updateTimeline(0);
    EXPECT_EQ(250, player->currentTime());
}

TEST_F(CoreAnimationPlayerTest, SetPlaybackRate)
{
    updateTimeline(0);
    player->setPlaybackRate(2);
    EXPECT_EQ(2, player->playbackRate());
    EXPECT_EQ(0, player->currentTime());
    EXPECT_EQ(0, player->timeDrift());

    updateTimeline(100);
    EXPECT_EQ(200, player->currentTime());
    EXPECT_EQ(0, player->timeDrift());
}

TEST_F(CoreAnimationPlayerTest, SetPlaybackRateBeforeTimelineStarted)
{
    player->setPlaybackRate(2);
    EXPECT_EQ(0, player->currentTime());
    EXPECT_EQ(0, player->timeDrift());

    updateTimeline(100);
    EXPECT_EQ(200, player->currentTime());
    EXPECT_EQ(0, player->timeDrift());
}

TEST_F(CoreAnimationPlayerTest, SetPlaybackRateWhilePaused)
{
    updateTimeline(100);
    player->setPaused(true);
    player->setPlaybackRate(2);
    EXPECT_EQ(100, player->currentTime());
    EXPECT_EQ(100, player->timeDrift());

    updateTimeline(200);
    player->setPaused(false);
    EXPECT_EQ(100, player->currentTime());
    EXPECT_EQ(300, player->timeDrift());

    updateTimeline(250);
    EXPECT_EQ(200, player->currentTime());
    EXPECT_EQ(300, player->timeDrift());
}

TEST_F(CoreAnimationPlayerTest, SetPlaybackRateNaN)
{
    updateTimeline(0);
    player->setPlaybackRate(nullValue());
    EXPECT_TRUE(isNull(player->playbackRate()));
    EXPECT_TRUE(isNull(player->currentTime()));
    EXPECT_TRUE(isNull(player->timeDrift()));

    updateTimeline(100);
    EXPECT_TRUE(isNull(player->currentTime()));
    EXPECT_TRUE(isNull(player->timeDrift()));
}

TEST_F(CoreAnimationPlayerTest, SetPlaybackRateInfinity)
{
    updateTimeline(0);
    player->setPlaybackRate(std::numeric_limits<double>::infinity());
    EXPECT_EQ(std::numeric_limits<double>::infinity(), player->playbackRate());
    EXPECT_TRUE(isNull(player->currentTime()));
    EXPECT_TRUE(isNull(player->timeDrift()));

    updateTimeline(100);
    EXPECT_TRUE(isNull(player->currentTime()));
    EXPECT_TRUE(isNull(player->timeDrift()));
}

TEST_F(CoreAnimationPlayerTest, SetPlaybackRateMax)
{
    updateTimeline(0);
    player->setPlaybackRate(std::numeric_limits<double>::max());
    EXPECT_EQ(std::numeric_limits<double>::max(), player->playbackRate());
    EXPECT_EQ(0, player->currentTime());
    EXPECT_EQ(0, player->timeDrift());

    updateTimeline(100);
    EXPECT_EQ(std::numeric_limits<double>::infinity(), player->currentTime());
}

TEST_F(CoreAnimationPlayerTest, SetCurrentTimeNan)
{
    updateTimeline(0);
    player->setCurrentTime(nullValue());
    EXPECT_TRUE(isNull(player->currentTime()));
    EXPECT_TRUE(isNull(player->timeDrift()));

    updateTimeline(100);
    EXPECT_TRUE(isNull(player->currentTime()));
    EXPECT_TRUE(isNull(player->timeDrift()));
}

TEST_F(CoreAnimationPlayerTest, SetCurrentTimeInfinity)
{
    updateTimeline(0);
    player->setCurrentTime(std::numeric_limits<double>::infinity());
    EXPECT_EQ(std::numeric_limits<double>::infinity(), player->currentTime());
    EXPECT_EQ(-std::numeric_limits<double>::infinity(), player->timeDrift());

    updateTimeline(100);
    EXPECT_EQ(std::numeric_limits<double>::infinity(), player->currentTime());
    EXPECT_EQ(-std::numeric_limits<double>::infinity(), player->timeDrift());
}

TEST_F(CoreAnimationPlayerTest, SetCurrentTimeMax)
{
    updateTimeline(0);
    player->setCurrentTime(std::numeric_limits<double>::max());
    EXPECT_EQ(std::numeric_limits<double>::max(), player->currentTime());
    EXPECT_EQ(-std::numeric_limits<double>::max(), player->timeDrift());

    updateTimeline(100);
    EXPECT_EQ(std::numeric_limits<double>::max(), player->currentTime());
    EXPECT_EQ(-std::numeric_limits<double>::max(), player->timeDrift());
}

TEST_F(CoreAnimationPlayerTest, EmptyPlayersDontUpdateEffects)
{
    double timeToNextEffect;
    updateTimeline(0, &timeToNextEffect);
    EXPECT_EQ(std::numeric_limits<double>::infinity(), timeToNextEffect);

    timeToNextEffect = 0;
    updateTimeline(1234, &timeToNextEffect);
    EXPECT_EQ(std::numeric_limits<double>::infinity(), timeToNextEffect);
}

TEST_F(CoreAnimationPlayerTest, PlayersReturnTimeToNextEffect)
{
    Timing timing;
    timing.startDelay = 1;
    timing.iterationDuration = 1;
    timing.hasIterationDuration = true;
    RefPtr<Animation> animation = Animation::create(0, 0, timing);
    player = Player::create(*timeline, animation.get());

    double timeToNextEffect;
    updateTimeline(0, &timeToNextEffect);
    EXPECT_EQ(1, timeToNextEffect);

    updateTimeline(0.5, &timeToNextEffect);
    EXPECT_EQ(0.5, timeToNextEffect);

    updateTimeline(1, &timeToNextEffect);
    EXPECT_EQ(0, timeToNextEffect);

    updateTimeline(1.5, &timeToNextEffect);
    EXPECT_EQ(0, timeToNextEffect);

    updateTimeline(2, &timeToNextEffect);
    EXPECT_EQ(std::numeric_limits<double>::infinity(), timeToNextEffect);

    updateTimeline(3, &timeToNextEffect);
    EXPECT_EQ(std::numeric_limits<double>::infinity(), timeToNextEffect);
}

}