root/Source/core/animation/TimedItemTest.cpp

DEFINITIONS

1. onEventCondition
2. reset
3. eventTriggered
4. phaseChanged
5. iterationChanged
6. create
7. updateInheritedTime
8. updateChildrenAndEffects
9. willDetach
10. eventDelegate
11. calculateTimeToEffectChange
12. takeLocalTime
13. takeTimeToNextIteration
14. m_eventDelegate
15. TEST
16. TEST
17. TEST
18. TEST
19. TEST
20. TEST
21. TEST
22. TEST
23. TEST
24. TEST
25. TEST
26. TEST
27. TEST
28. TEST
29. TEST
30. TEST
31. TEST
32. TEST
33. TEST
34. TEST
35. TEST
36. TEST
37. TEST
38. TEST
39. TEST
40. TEST
41. TEST
42. TEST
43. TEST
44. TEST

/*
 * Copyright (c) 2013, Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "core/animation/TimedItem.h"

#include <gtest/gtest.h>

using namespace WebCore;

namespace {

class TestTimedItemEventDelegate : public TimedItem::EventDelegate {
public:
    virtual void onEventCondition(const TimedItem* timedItem, bool isFirstSample, TimedItem::Phase previousPhase, double previousIteration) OVERRIDE
    {
        m_eventTriggered = true;
        m_phaseChanged = previousPhase != timedItem->phase();
        m_iterationChanged = previousIteration != timedItem->currentIteration();

    }
    void reset()
    {
        m_eventTriggered = false;
        m_phaseChanged = false;
        m_iterationChanged = false;
    }
    bool eventTriggered() { return m_eventTriggered; }
    bool phaseChanged() { return m_phaseChanged; }
    bool iterationChanged() { return m_iterationChanged; }

private:
    bool m_eventTriggered;
    bool m_phaseChanged;
    bool m_iterationChanged;
};

class TestTimedItem : public TimedItem {
public:
    static PassRefPtr<TestTimedItem> create(const Timing& specified)
    {
        return adoptRef(new TestTimedItem(specified, new TestTimedItemEventDelegate()));
    }

    void updateInheritedTime(double time)
    {
        m_eventDelegate->reset();
        TimedItem::updateInheritedTime(time);
    }

    virtual void updateChildrenAndEffects() const OVERRIDE { }
    void willDetach() { }
    TestTimedItemEventDelegate* eventDelegate() { return m_eventDelegate; }
    virtual double calculateTimeToEffectChange(bool forwards, double localTime, double timeToNextIteration) const OVERRIDE
    {
        m_localTime = localTime;
        m_timeToNextIteration = timeToNextIteration;
        return -1;
    }
    double takeLocalTime()
    {
        const double result = m_localTime;
        m_localTime = nullValue();
        return result;
    }

    double takeTimeToNextIteration()
    {
        const double result = m_timeToNextIteration;
        m_timeToNextIteration = nullValue();
        return result;
    }

private:
    TestTimedItem(const Timing& specified, TestTimedItemEventDelegate* eventDelegate)
        : TimedItem(specified, adoptPtr(eventDelegate))
        , m_eventDelegate(eventDelegate)
    {
    }

    TestTimedItemEventDelegate* m_eventDelegate;
    mutable double m_localTime;
    mutable double m_timeToNextIteration;
};

TEST(AnimationTimedItemTest, Sanity)
{
    Timing timing;
    timing.iterationDuration = 2;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    EXPECT_EQ(0, timedItem->startTime());

    timedItem->updateInheritedTime(0);

    EXPECT_EQ(TimedItem::PhaseActive, timedItem->phase());
    EXPECT_TRUE(timedItem->isInPlay());
    EXPECT_TRUE(timedItem->isCurrent());
    EXPECT_TRUE(timedItem->isInEffect());
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->startTime());
    EXPECT_EQ(2, timedItem->activeDuration());
    EXPECT_EQ(0, timedItem->timeFraction());

    timedItem->updateInheritedTime(1);

    EXPECT_EQ(TimedItem::PhaseActive, timedItem->phase());
    EXPECT_TRUE(timedItem->isInPlay());
    EXPECT_TRUE(timedItem->isCurrent());
    EXPECT_TRUE(timedItem->isInEffect());
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->startTime());
    EXPECT_EQ(2, timedItem->activeDuration());
    EXPECT_EQ(0.5, timedItem->timeFraction());

    timedItem->updateInheritedTime(2);

    EXPECT_EQ(TimedItem::PhaseAfter, timedItem->phase());
    EXPECT_FALSE(timedItem->isInPlay());
    EXPECT_FALSE(timedItem->isCurrent());
    EXPECT_TRUE(timedItem->isInEffect());
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->startTime());
    EXPECT_EQ(2, timedItem->activeDuration());
    EXPECT_EQ(1, timedItem->timeFraction());

    timedItem->updateInheritedTime(3);

    EXPECT_EQ(TimedItem::PhaseAfter, timedItem->phase());
    EXPECT_FALSE(timedItem->isInPlay());
    EXPECT_FALSE(timedItem->isCurrent());
    EXPECT_TRUE(timedItem->isInEffect());
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->startTime());
    EXPECT_EQ(2, timedItem->activeDuration());
    EXPECT_EQ(1, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, FillAuto)
{
    Timing timing;
    timing.iterationDuration = 1;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(-1);
    EXPECT_EQ(0, timedItem->timeFraction());

    timedItem->updateInheritedTime(2);
    EXPECT_EQ(1, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, FillForwards)
{
    Timing timing;
    timing.iterationDuration = 1;
    timing.fillMode = Timing::FillModeForwards;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(-1);
    EXPECT_TRUE(isNull(timedItem->timeFraction()));

    timedItem->updateInheritedTime(2);
    EXPECT_EQ(1, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, FillBackwards)
{
    Timing timing;
    timing.iterationDuration = 1;
    timing.fillMode = Timing::FillModeBackwards;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(-1);
    EXPECT_EQ(0, timedItem->timeFraction());

    timedItem->updateInheritedTime(2);
    EXPECT_TRUE(isNull(timedItem->timeFraction()));
}

TEST(AnimationTimedItemTest, FillBoth)
{
    Timing timing;
    timing.iterationDuration = 1;
    timing.fillMode = Timing::FillModeBoth;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(-1);
    EXPECT_EQ(0, timedItem->timeFraction());

    timedItem->updateInheritedTime(2);
    EXPECT_EQ(1, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, StartDelay)
{
    Timing timing;
    timing.iterationDuration = 1;
    timing.fillMode = Timing::FillModeForwards;
    timing.startDelay = 0.5;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(0);
    EXPECT_TRUE(isNull(timedItem->timeFraction()));

    timedItem->updateInheritedTime(0.5);
    EXPECT_EQ(0, timedItem->timeFraction());

    timedItem->updateInheritedTime(1.5);
    EXPECT_EQ(1, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, ZeroIteration)
{
    Timing timing;
    timing.iterationDuration = 1;
    timing.fillMode = Timing::FillModeForwards;
    timing.iterationCount = 0;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(-1);
    EXPECT_EQ(0, timedItem->activeDuration());
    EXPECT_TRUE(isNull(timedItem->currentIteration()));
    EXPECT_TRUE(isNull(timedItem->timeFraction()));

    timedItem->updateInheritedTime(0);
    EXPECT_EQ(0, timedItem->activeDuration());
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, InfiniteIteration)
{
    Timing timing;
    timing.iterationDuration = 1;
    timing.fillMode = Timing::FillModeForwards;
    timing.iterationCount = std::numeric_limits<double>::infinity();
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(-1);
    EXPECT_TRUE(isNull(timedItem->currentIteration()));
    EXPECT_TRUE(isNull(timedItem->timeFraction()));

    EXPECT_EQ(std::numeric_limits<double>::infinity(), timedItem->activeDuration());

    timedItem->updateInheritedTime(0);
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, Iteration)
{
    Timing timing;
    timing.iterationCount = 2;
    timing.iterationDuration = 2;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(0);
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->timeFraction());

    timedItem->updateInheritedTime(1);
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0.5, timedItem->timeFraction());

    timedItem->updateInheritedTime(2);
    EXPECT_EQ(1, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->timeFraction());

    timedItem->updateInheritedTime(2);
    EXPECT_EQ(1, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->timeFraction());

    timedItem->updateInheritedTime(5);
    EXPECT_EQ(1, timedItem->currentIteration());
    EXPECT_EQ(1, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, IterationStart)
{
    Timing timing;
    timing.iterationStart = 1.2;
    timing.iterationCount = 2.2;
    timing.iterationDuration = 1;
    timing.fillMode = Timing::FillModeBoth;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(-1);
    EXPECT_EQ(1, timedItem->currentIteration());
    EXPECT_NEAR(0.2, timedItem->timeFraction(), 0.000000000000001);

    timedItem->updateInheritedTime(0);
    EXPECT_EQ(1, timedItem->currentIteration());
    EXPECT_NEAR(0.2, timedItem->timeFraction(), 0.000000000000001);

    timedItem->updateInheritedTime(10);
    EXPECT_EQ(3, timedItem->currentIteration());
    EXPECT_NEAR(0.4, timedItem->timeFraction(), 0.000000000000001);
}

TEST(AnimationTimedItemTest, IterationAlternate)
{
    Timing timing;
    timing.iterationCount = 10;
    timing.iterationDuration = 1;
    timing.direction = Timing::PlaybackDirectionAlternate;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(0.75);
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0.75, timedItem->timeFraction());

    timedItem->updateInheritedTime(1.75);
    EXPECT_EQ(1, timedItem->currentIteration());
    EXPECT_EQ(0.25, timedItem->timeFraction());

    timedItem->updateInheritedTime(2.75);
    EXPECT_EQ(2, timedItem->currentIteration());
    EXPECT_EQ(0.75, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, IterationAlternateReverse)
{
    Timing timing;
    timing.iterationCount = 10;
    timing.iterationDuration = 1;
    timing.direction = Timing::PlaybackDirectionAlternateReverse;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(0.75);
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0.25, timedItem->timeFraction());

    timedItem->updateInheritedTime(1.75);
    EXPECT_EQ(1, timedItem->currentIteration());
    EXPECT_EQ(0.75, timedItem->timeFraction());

    timedItem->updateInheritedTime(2.75);
    EXPECT_EQ(2, timedItem->currentIteration());
    EXPECT_EQ(0.25, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, ZeroDurationSanity)
{
    Timing timing;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    EXPECT_EQ(0, timedItem->startTime());

    timedItem->updateInheritedTime(0);

    EXPECT_EQ(TimedItem::PhaseAfter, timedItem->phase());
    EXPECT_FALSE(timedItem->isInPlay());
    EXPECT_FALSE(timedItem->isCurrent());
    EXPECT_TRUE(timedItem->isInEffect());
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->startTime());
    EXPECT_EQ(0, timedItem->activeDuration());
    EXPECT_EQ(1, timedItem->timeFraction());

    timedItem->updateInheritedTime(1);

    EXPECT_EQ(TimedItem::PhaseAfter, timedItem->phase());
    EXPECT_FALSE(timedItem->isInPlay());
    EXPECT_FALSE(timedItem->isCurrent());
    EXPECT_TRUE(timedItem->isInEffect());
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->startTime());
    EXPECT_EQ(0, timedItem->activeDuration());
    EXPECT_EQ(1, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, ZeroDurationFillForwards)
{
    Timing timing;
    timing.fillMode = Timing::FillModeForwards;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(-1);
    EXPECT_TRUE(isNull(timedItem->timeFraction()));

    timedItem->updateInheritedTime(0);
    EXPECT_EQ(1, timedItem->timeFraction());

    timedItem->updateInheritedTime(1);
    EXPECT_EQ(1, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, ZeroDurationFillBackwards)
{
    Timing timing;
    timing.fillMode = Timing::FillModeBackwards;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(-1);
    EXPECT_EQ(0, timedItem->timeFraction());

    timedItem->updateInheritedTime(0);
    EXPECT_TRUE(isNull(timedItem->timeFraction()));

    timedItem->updateInheritedTime(1);
    EXPECT_TRUE(isNull(timedItem->timeFraction()));
}

TEST(AnimationTimedItemTest, ZeroDurationFillBoth)
{
    Timing timing;
    timing.fillMode = Timing::FillModeBoth;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(-1);
    EXPECT_EQ(0, timedItem->timeFraction());

    timedItem->updateInheritedTime(0);
    EXPECT_EQ(1, timedItem->timeFraction());

    timedItem->updateInheritedTime(1);
    EXPECT_EQ(1, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, ZeroDurationStartDelay)
{
    Timing timing;
    timing.fillMode = Timing::FillModeForwards;
    timing.startDelay = 0.5;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(0);
    EXPECT_TRUE(isNull(timedItem->timeFraction()));

    timedItem->updateInheritedTime(0.5);
    EXPECT_EQ(1, timedItem->timeFraction());

    timedItem->updateInheritedTime(1.5);
    EXPECT_EQ(1, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, ZeroDurationIterationStartAndCount)
{
    Timing timing;
    timing.iterationStart = 0.1;
    timing.iterationCount = 0.2;
    timing.fillMode = Timing::FillModeBoth;
    timing.startDelay = 0.3;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(0);
    EXPECT_EQ(0.1, timedItem->timeFraction());

    timedItem->updateInheritedTime(0.3);
    EXPECT_DOUBLE_EQ(0.3, timedItem->timeFraction());

    timedItem->updateInheritedTime(1);
    EXPECT_DOUBLE_EQ(0.3, timedItem->timeFraction());
}

// FIXME: Needs specification work.
TEST(AnimationTimedItemTest, ZeroDurationInfiniteIteration)
{
    Timing timing;
    timing.fillMode = Timing::FillModeForwards;
    timing.iterationCount = std::numeric_limits<double>::infinity();
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(-1);
    EXPECT_EQ(0, timedItem->activeDuration());
    EXPECT_TRUE(isNull(timedItem->currentIteration()));
    EXPECT_TRUE(isNull(timedItem->timeFraction()));

    timedItem->updateInheritedTime(0);
    EXPECT_EQ(0, timedItem->activeDuration());
    EXPECT_EQ(std::numeric_limits<double>::infinity(), timedItem->currentIteration());
    EXPECT_EQ(1, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, ZeroDurationIteration)
{
    Timing timing;
    timing.fillMode = Timing::FillModeForwards;
    timing.iterationCount = 2;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(-1);
    EXPECT_TRUE(isNull(timedItem->currentIteration()));
    EXPECT_TRUE(isNull(timedItem->timeFraction()));

    timedItem->updateInheritedTime(0);
    EXPECT_EQ(1, timedItem->currentIteration());
    EXPECT_EQ(1, timedItem->timeFraction());

    timedItem->updateInheritedTime(1);
    EXPECT_EQ(1, timedItem->currentIteration());
    EXPECT_EQ(1, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, ZeroDurationIterationStart)
{
    Timing timing;
    timing.iterationStart = 1.2;
    timing.iterationCount = 2.2;
    timing.fillMode = Timing::FillModeBoth;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(-1);
    EXPECT_EQ(1, timedItem->currentIteration());
    EXPECT_NEAR(0.2, timedItem->timeFraction(), 0.000000000000001);

    timedItem->updateInheritedTime(0);
    EXPECT_EQ(3, timedItem->currentIteration());
    EXPECT_NEAR(0.4, timedItem->timeFraction(), 0.000000000000001);

    timedItem->updateInheritedTime(10);
    EXPECT_EQ(3, timedItem->currentIteration());
    EXPECT_NEAR(0.4, timedItem->timeFraction(), 0.000000000000001);
}

TEST(AnimationTimedItemTest, ZeroDurationIterationAlternate)
{
    Timing timing;
    timing.fillMode = Timing::FillModeForwards;
    timing.iterationCount = 2;
    timing.direction = Timing::PlaybackDirectionAlternate;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(-1);
    EXPECT_TRUE(isNull(timedItem->currentIteration()));
    EXPECT_TRUE(isNull(timedItem->timeFraction()));

    timedItem->updateInheritedTime(0);
    EXPECT_EQ(1, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->timeFraction());

    timedItem->updateInheritedTime(1);
    EXPECT_EQ(1, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, ZeroDurationIterationAlternateReverse)
{
    Timing timing;
    timing.fillMode = Timing::FillModeForwards;
    timing.iterationCount = 2;
    timing.direction = Timing::PlaybackDirectionAlternateReverse;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(-1);
    EXPECT_TRUE(isNull(timedItem->currentIteration()));
    EXPECT_TRUE(isNull(timedItem->timeFraction()));

    timedItem->updateInheritedTime(0);
    EXPECT_EQ(1, timedItem->currentIteration());
    EXPECT_EQ(1, timedItem->timeFraction());

    timedItem->updateInheritedTime(1);
    EXPECT_EQ(1, timedItem->currentIteration());
    EXPECT_EQ(1, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, InfiniteDurationSanity)
{
    Timing timing;
    timing.iterationDuration = std::numeric_limits<double>::infinity();
    timing.iterationCount = 1;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    EXPECT_EQ(0, timedItem->startTime());

    timedItem->updateInheritedTime(0);

    EXPECT_EQ(std::numeric_limits<double>::infinity(), timedItem->activeDuration());
    EXPECT_EQ(TimedItem::PhaseActive, timedItem->phase());
    EXPECT_TRUE(timedItem->isInPlay());
    EXPECT_TRUE(timedItem->isCurrent());
    EXPECT_TRUE(timedItem->isInEffect());
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->timeFraction());

    timedItem->updateInheritedTime(1);

    EXPECT_EQ(std::numeric_limits<double>::infinity(), timedItem->activeDuration());
    EXPECT_EQ(TimedItem::PhaseActive, timedItem->phase());
    EXPECT_TRUE(timedItem->isInPlay());
    EXPECT_TRUE(timedItem->isCurrent());
    EXPECT_TRUE(timedItem->isInEffect());
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->timeFraction());
}

// FIXME: Needs specification work.
TEST(AnimationTimedItemTest, InfiniteDurationZeroIterations)
{
    Timing timing;
    timing.iterationDuration = std::numeric_limits<double>::infinity();
    timing.iterationCount = 0;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    EXPECT_EQ(0, timedItem->startTime());

    timedItem->updateInheritedTime(0);

    EXPECT_EQ(0, timedItem->activeDuration());
    EXPECT_EQ(TimedItem::PhaseAfter, timedItem->phase());
    EXPECT_FALSE(timedItem->isInPlay());
    EXPECT_FALSE(timedItem->isCurrent());
    EXPECT_TRUE(timedItem->isInEffect());
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->timeFraction());

    timedItem->updateInheritedTime(1);

    EXPECT_EQ(TimedItem::PhaseAfter, timedItem->phase());
    EXPECT_EQ(TimedItem::PhaseAfter, timedItem->phase());
    EXPECT_FALSE(timedItem->isInPlay());
    EXPECT_FALSE(timedItem->isCurrent());
    EXPECT_TRUE(timedItem->isInEffect());
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, InfiniteDurationInfiniteIterations)
{
    Timing timing;
    timing.iterationDuration = std::numeric_limits<double>::infinity();
    timing.iterationCount = std::numeric_limits<double>::infinity();
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    EXPECT_EQ(0, timedItem->startTime());

    timedItem->updateInheritedTime(0);

    EXPECT_EQ(std::numeric_limits<double>::infinity(), timedItem->activeDuration());
    EXPECT_EQ(TimedItem::PhaseActive, timedItem->phase());
    EXPECT_TRUE(timedItem->isInPlay());
    EXPECT_TRUE(timedItem->isCurrent());
    EXPECT_TRUE(timedItem->isInEffect());
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->timeFraction());

    timedItem->updateInheritedTime(1);

    EXPECT_EQ(std::numeric_limits<double>::infinity(), timedItem->activeDuration());
    EXPECT_EQ(TimedItem::PhaseActive, timedItem->phase());
    EXPECT_TRUE(timedItem->isInPlay());
    EXPECT_TRUE(timedItem->isCurrent());
    EXPECT_TRUE(timedItem->isInEffect());
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, InfiniteDurationZeroPlaybackRate)
{
    Timing timing;
    timing.iterationDuration = std::numeric_limits<double>::infinity();
    timing.playbackRate = 0;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    EXPECT_EQ(0, timedItem->startTime());

    timedItem->updateInheritedTime(0);

    EXPECT_EQ(std::numeric_limits<double>::infinity(), timedItem->activeDuration());
    EXPECT_EQ(TimedItem::PhaseActive, timedItem->phase());
    EXPECT_TRUE(timedItem->isInPlay());
    EXPECT_TRUE(timedItem->isCurrent());
    EXPECT_TRUE(timedItem->isInEffect());
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->timeFraction());

    timedItem->updateInheritedTime(std::numeric_limits<double>::infinity());

    EXPECT_EQ(std::numeric_limits<double>::infinity(), timedItem->activeDuration());
    EXPECT_EQ(TimedItem::PhaseAfter, timedItem->phase());
    EXPECT_FALSE(timedItem->isInPlay());
    EXPECT_FALSE(timedItem->isCurrent());
    EXPECT_TRUE(timedItem->isInEffect());
    EXPECT_EQ(0, timedItem->currentIteration());
    EXPECT_EQ(0, timedItem->timeFraction());
}

TEST(AnimationTimedItemTest, EndTime)
{
    Timing timing;
    timing.startDelay = 1;
    timing.endDelay = 2;
    timing.iterationDuration = 4;
    timing.iterationCount = 2;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);
    EXPECT_EQ(11, timedItem->endTime());
}

TEST(AnimationTimedItemTest, Events)
{
    Timing timing;
    timing.iterationDuration = 1;
    timing.fillMode = Timing::FillModeForwards;
    timing.iterationCount = 2;
    timing.startDelay = 1;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    // First sample
    timedItem->updateInheritedTime(0.0);
    EXPECT_TRUE(timedItem->eventDelegate()->eventTriggered());

    // Before start
    timedItem->updateInheritedTime(0.5);
    EXPECT_FALSE(timedItem->eventDelegate()->eventTriggered());

    // First iteration
    timedItem->updateInheritedTime(1.5);
    EXPECT_TRUE(timedItem->eventDelegate()->eventTriggered());
    EXPECT_TRUE(timedItem->eventDelegate()->phaseChanged());
    EXPECT_TRUE(timedItem->eventDelegate()->iterationChanged());

    timedItem->updateInheritedTime(1.6);
    EXPECT_FALSE(timedItem->eventDelegate()->eventTriggered());

    // Second iteration
    timedItem->updateInheritedTime(2.5);
    EXPECT_TRUE(timedItem->eventDelegate()->eventTriggered());
    EXPECT_FALSE(timedItem->eventDelegate()->phaseChanged());
    EXPECT_TRUE(timedItem->eventDelegate()->iterationChanged());

    timedItem->updateInheritedTime(2.6);
    EXPECT_FALSE(timedItem->eventDelegate()->eventTriggered());

    // After end
    timedItem->updateInheritedTime(3.5);
    EXPECT_TRUE(timedItem->eventDelegate()->eventTriggered());
    EXPECT_TRUE(timedItem->eventDelegate()->phaseChanged());
    EXPECT_FALSE(timedItem->eventDelegate()->iterationChanged());

    timedItem->updateInheritedTime(3.6);
    EXPECT_FALSE(timedItem->eventDelegate()->eventTriggered());
}

TEST(AnimationTimedItemTest, TimeToEffectChange)
{
    Timing timing;
    timing.iterationDuration = 1;
    timing.fillMode = Timing::FillModeForwards;
    timing.iterationStart = 0.2;
    timing.iterationCount = 2.5;
    timing.startDelay = 1;
    timing.direction = Timing::PlaybackDirectionAlternate;
    RefPtr<TestTimedItem> timedItem = TestTimedItem::create(timing);

    timedItem->updateInheritedTime(0);
    EXPECT_EQ(0, timedItem->takeLocalTime());
    EXPECT_TRUE(std::isinf(timedItem->takeTimeToNextIteration()));

    // Normal iteration.
    timedItem->updateInheritedTime(1.75);
    EXPECT_EQ(1.75, timedItem->takeLocalTime());
    EXPECT_NEAR(0.05, timedItem->takeTimeToNextIteration(), 0.000000000000001);

    // Reverse iteration.
    timedItem->updateInheritedTime(2.75);
    EXPECT_EQ(2.75, timedItem->takeLocalTime());
    EXPECT_NEAR(0.05, timedItem->takeTimeToNextIteration(), 0.000000000000001);

    // Item ends before iteration finishes.
    timedItem->updateInheritedTime(3.4);
    EXPECT_EQ(TimedItem::PhaseActive, timedItem->phase());
    EXPECT_EQ(3.4, timedItem->takeLocalTime());
    EXPECT_TRUE(std::isinf(timedItem->takeTimeToNextIteration()));

    // Item has finished.
    timedItem->updateInheritedTime(3.5);
    EXPECT_EQ(TimedItem::PhaseAfter, timedItem->phase());
    EXPECT_EQ(3.5, timedItem->takeLocalTime());
    EXPECT_TRUE(std::isinf(timedItem->takeTimeToNextIteration()));
}

}