src/third_party/WebKit/Source/core/animation/InterpolationEffectTest.cpp

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "config.h"
   6 #include "core/animation/InterpolationEffect.h"
   7
   8 #include <gtest/gtest.h>
   9
  10 namespace {
  11
  12 const double duration = 1.0;
  13
  14 } // namespace
  15
  16 namespace blink {
  17
  18 class AnimationInterpolationEffectTest : public ::testing::Test {
  19 protected:
  20     InterpolableValue* interpolationValue(Interpolation& interpolation)
  21     {
  22         return interpolation.getCachedValueForTesting();
  23     }
  24
  25     double getInterpolableNumber(PassRefPtrWillBeRawPtr<Interpolation> value)
  26     {
  27         return toInterpolableNumber(interpolationValue(*value.get()))->value();
  28     }
  29 };
  30
  31 TEST_F(AnimationInterpolationEffectTest, SingleInterpolation)
  32 {
  33     RefPtrWillBeRawPtr<InterpolationEffect> interpolationEffect = InterpolationEffect::create();
  34     interpolationEffect->addInterpolation(Interpolation::create(InterpolableNumber::create(0), InterpolableNumber::create(10)),
  35         RefPtr<TimingFunction>(), 0, 1, -1, 2);
  36
  37     OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > activeInterpolations = interpolationEffect->getActiveInterpolations(-2, duration);
  38     EXPECT_EQ(0ul, activeInterpolations->size());
  39
  40     activeInterpolations = interpolationEffect->getActiveInterpolations(-0.5, duration);
  41     EXPECT_EQ(1ul, activeInterpolations->size());
  42     EXPECT_EQ(-5, getInterpolableNumber(activeInterpolations->at(0)));
  43
  44     activeInterpolations = interpolationEffect->getActiveInterpolations(0.5, duration);
  45     EXPECT_EQ(1ul, activeInterpolations->size());
  46     EXPECT_FLOAT_EQ(5, getInterpolableNumber(activeInterpolations->at(0)));
  47
  48     activeInterpolations = interpolationEffect->getActiveInterpolations(1.5, duration);
  49     EXPECT_EQ(1ul, activeInterpolations->size());
  50     EXPECT_FLOAT_EQ(15, getInterpolableNumber(activeInterpolations->at(0)));
  51
  52     activeInterpolations = interpolationEffect->getActiveInterpolations(3, duration);
  53     EXPECT_EQ(0ul, activeInterpolations->size());
  54 }
  55
  56 TEST_F(AnimationInterpolationEffectTest, MultipleInterpolations)
  57 {
  58     RefPtrWillBeRawPtr<InterpolationEffect> interpolationEffect = InterpolationEffect::create();
  59     interpolationEffect->addInterpolation(Interpolation::create(InterpolableNumber::create(10), InterpolableNumber::create(15)),
  60         RefPtr<TimingFunction>(), 1, 2, 1, 3);
  61     interpolationEffect->addInterpolation(Interpolation::create(InterpolableNumber::create(0), InterpolableNumber::create(1)),
  62         LinearTimingFunction::shared(), 0, 1, 0, 1);
  63     interpolationEffect->addInterpolation(Interpolation::create(InterpolableNumber::create(1), InterpolableNumber::create(6)),
  64         CubicBezierTimingFunction::preset(CubicBezierTimingFunction::Ease), 0.5, 1.5, 0.5, 1.5);
  65
  66     OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > activeInterpolations = interpolationEffect->getActiveInterpolations(-0.5, duration);
  67     EXPECT_EQ(0ul, activeInterpolations->size());
  68
  69     activeInterpolations = interpolationEffect->getActiveInterpolations(0, duration);
  70     EXPECT_EQ(1ul, activeInterpolations->size());
  71     EXPECT_FLOAT_EQ(0, getInterpolableNumber(activeInterpolations->at(0)));
  72
  73     activeInterpolations = interpolationEffect->getActiveInterpolations(0.5, duration);
  74     EXPECT_EQ(2ul, activeInterpolations->size());
  75     EXPECT_FLOAT_EQ(0.5f, getInterpolableNumber(activeInterpolations->at(0)));
  76     EXPECT_FLOAT_EQ(1, getInterpolableNumber(activeInterpolations->at(1)));
  77
  78     activeInterpolations = interpolationEffect->getActiveInterpolations(1, duration);
  79     EXPECT_EQ(2ul, activeInterpolations->size());
  80     EXPECT_FLOAT_EQ(10, getInterpolableNumber(activeInterpolations->at(0)));
  81     EXPECT_FLOAT_EQ(5.0282884f, getInterpolableNumber(activeInterpolations->at(1)));
  82
  83     activeInterpolations = interpolationEffect->getActiveInterpolations(1, duration * 1000);
  84     EXPECT_EQ(2ul, activeInterpolations->size());
  85     EXPECT_FLOAT_EQ(10, getInterpolableNumber(activeInterpolations->at(0)));
  86     EXPECT_FLOAT_EQ(5.0120168f, getInterpolableNumber(activeInterpolations->at(1)));
  87
  88     activeInterpolations = interpolationEffect->getActiveInterpolations(1.5, duration);
  89     EXPECT_EQ(1ul, activeInterpolations->size());
  90     EXPECT_FLOAT_EQ(12.5f, getInterpolableNumber(activeInterpolations->at(0)));
  91
  92     activeInterpolations = interpolationEffect->getActiveInterpolations(2, duration);
  93     EXPECT_EQ(1ul, activeInterpolations->size());
  94     EXPECT_FLOAT_EQ(15, getInterpolableNumber(activeInterpolations->at(0)));
  95 }
  96
  97 }
  98