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// Copyright 2014 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 "config.h"
#include "core/animation/InterpolationEffect.h"
#include <gtest/gtest.h>
namespace {
const double duration = 1.0;
} // namespace
namespace WebCore {
class AnimationInterpolationEffectTest : public ::testing::Test {
protected:
InterpolableValue* interpolationValue(Interpolation& interpolation)
{
return interpolation.getCachedValueForTesting();
}
double getInterpolableNumber(PassRefPtrWillBeRawPtr<Interpolation> value)
{
return toInterpolableNumber(interpolationValue(*value.get()))->value();
}
};
TEST_F(AnimationInterpolationEffectTest, SingleInterpolation)
{
RefPtrWillBeRawPtr<InterpolationEffect> interpolationEffect = InterpolationEffect::create();
interpolationEffect->addInterpolation(Interpolation::create(InterpolableNumber::create(0), InterpolableNumber::create(10)),
RefPtr<TimingFunction>(), 0, 1, -1, 2);
OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > activeInterpolations = interpolationEffect->getActiveInterpolations(-2, duration);
EXPECT_EQ(0ul, activeInterpolations->size());
activeInterpolations = interpolationEffect->getActiveInterpolations(-0.5, duration);
EXPECT_EQ(1ul, activeInterpolations->size());
EXPECT_EQ(-5, getInterpolableNumber(activeInterpolations->at(0)));
activeInterpolations = interpolationEffect->getActiveInterpolations(0.5, duration);
EXPECT_EQ(1ul, activeInterpolations->size());
EXPECT_FLOAT_EQ(5, getInterpolableNumber(activeInterpolations->at(0)));
activeInterpolations = interpolationEffect->getActiveInterpolations(1.5, duration);
EXPECT_EQ(1ul, activeInterpolations->size());
EXPECT_FLOAT_EQ(15, getInterpolableNumber(activeInterpolations->at(0)));
activeInterpolations = interpolationEffect->getActiveInterpolations(3, duration);
EXPECT_EQ(0ul, activeInterpolations->size());
}
TEST_F(AnimationInterpolationEffectTest, MultipleInterpolations)
{
RefPtrWillBeRawPtr<InterpolationEffect> interpolationEffect = InterpolationEffect::create();
interpolationEffect->addInterpolation(Interpolation::create(InterpolableNumber::create(10), InterpolableNumber::create(15)),
RefPtr<TimingFunction>(), 1, 2, 1, 3);
interpolationEffect->addInterpolation(Interpolation::create(InterpolableNumber::create(0), InterpolableNumber::create(1)),
LinearTimingFunction::shared(), 0, 1, 0, 1);
interpolationEffect->addInterpolation(Interpolation::create(InterpolableNumber::create(1), InterpolableNumber::create(6)),
CubicBezierTimingFunction::preset(CubicBezierTimingFunction::Ease), 0.5, 1.5, 0.5, 1.5);
OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > activeInterpolations = interpolationEffect->getActiveInterpolations(-0.5, duration);
EXPECT_EQ(0ul, activeInterpolations->size());
activeInterpolations = interpolationEffect->getActiveInterpolations(0, duration);
EXPECT_EQ(1ul, activeInterpolations->size());
EXPECT_FLOAT_EQ(0, getInterpolableNumber(activeInterpolations->at(0)));
activeInterpolations = interpolationEffect->getActiveInterpolations(0.5, duration);
EXPECT_EQ(2ul, activeInterpolations->size());
EXPECT_FLOAT_EQ(0.5f, getInterpolableNumber(activeInterpolations->at(0)));
EXPECT_FLOAT_EQ(1, getInterpolableNumber(activeInterpolations->at(1)));
activeInterpolations = interpolationEffect->getActiveInterpolations(1, duration);
EXPECT_EQ(2ul, activeInterpolations->size());
EXPECT_FLOAT_EQ(10, getInterpolableNumber(activeInterpolations->at(0)));
EXPECT_FLOAT_EQ(5.0282884f, getInterpolableNumber(activeInterpolations->at(1)));
activeInterpolations = interpolationEffect->getActiveInterpolations(1, duration * 1000);
EXPECT_EQ(2ul, activeInterpolations->size());
EXPECT_FLOAT_EQ(10, getInterpolableNumber(activeInterpolations->at(0)));
EXPECT_FLOAT_EQ(5.0120168f, getInterpolableNumber(activeInterpolations->at(1)));
activeInterpolations = interpolationEffect->getActiveInterpolations(1.5, duration);
EXPECT_EQ(1ul, activeInterpolations->size());
EXPECT_FLOAT_EQ(12.5f, getInterpolableNumber(activeInterpolations->at(0)));
activeInterpolations = interpolationEffect->getActiveInterpolations(2, duration);
EXPECT_EQ(1ul, activeInterpolations->size());
EXPECT_FLOAT_EQ(15, getInterpolableNumber(activeInterpolations->at(0)));
}
}
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