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 = nullptr;
  38     interpolationEffect->getActiveInterpolations(-2, duration, activeInterpolations);
  39     EXPECT_EQ(0ul, activeInterpolations->size());
  40
  41     interpolationEffect->getActiveInterpolations(-0.5, duration, activeInterpolations);
  42     EXPECT_EQ(1ul, activeInterpolations->size());
  43     EXPECT_EQ(-5, getInterpolableNumber(activeInterpolations->at(0)));
  44
  45     interpolationEffect->getActiveInterpolations(0.5, duration, activeInterpolations);
  46     EXPECT_EQ(1ul, activeInterpolations->size());
  47     EXPECT_FLOAT_EQ(5, getInterpolableNumber(activeInterpolations->at(0)));
  48
  49     interpolationEffect->getActiveInterpolations(1.5, duration, activeInterpolations);
  50     EXPECT_EQ(1ul, activeInterpolations->size());
  51     EXPECT_FLOAT_EQ(15, getInterpolableNumber(activeInterpolations->at(0)));
  52
  53     interpolationEffect->getActiveInterpolations(3, duration, activeInterpolations);
  54     EXPECT_EQ(0ul, activeInterpolations->size());
  55 }
  56
  57 TEST_F(AnimationInterpolationEffectTest, MultipleInterpolations)
  58 {
  59     RefPtrWillBeRawPtr<InterpolationEffect> interpolationEffect = InterpolationEffect::create();
  60     interpolationEffect->addInterpolation(Interpolation::create(InterpolableNumber::create(10), InterpolableNumber::create(15)),
  61         RefPtr<TimingFunction>(), 1, 2, 1, 3);
  62     interpolationEffect->addInterpolation(Interpolation::create(InterpolableNumber::create(0), InterpolableNumber::create(1)),
  63         LinearTimingFunction::shared(), 0, 1, 0, 1);
  64     interpolationEffect->addInterpolation(Interpolation::create(InterpolableNumber::create(1), InterpolableNumber::create(6)),
  65         CubicBezierTimingFunction::preset(CubicBezierTimingFunction::Ease), 0.5, 1.5, 0.5, 1.5);
  66
  67     OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > activeInterpolations = nullptr;
  68     interpolationEffect->getActiveInterpolations(-0.5, duration, activeInterpolations);
  69     EXPECT_EQ(0ul, activeInterpolations->size());
  70
  71     interpolationEffect->getActiveInterpolations(0, duration, activeInterpolations);
  72     EXPECT_EQ(1ul, activeInterpolations->size());
  73     EXPECT_FLOAT_EQ(0, getInterpolableNumber(activeInterpolations->at(0)));
  74
  75     interpolationEffect->getActiveInterpolations(0.5, duration, activeInterpolations);
  76     EXPECT_EQ(2ul, activeInterpolations->size());
  77     EXPECT_FLOAT_EQ(0.5f, getInterpolableNumber(activeInterpolations->at(0)));
  78     EXPECT_FLOAT_EQ(1, getInterpolableNumber(activeInterpolations->at(1)));
  79
  80     interpolationEffect->getActiveInterpolations(1, duration, activeInterpolations);
  81     EXPECT_EQ(2ul, activeInterpolations->size());
  82     EXPECT_FLOAT_EQ(10, getInterpolableNumber(activeInterpolations->at(0)));
  83     EXPECT_FLOAT_EQ(5.0282884f, getInterpolableNumber(activeInterpolations->at(1)));
  84
  85     interpolationEffect->getActiveInterpolations(1, duration * 1000, activeInterpolations);
  86     EXPECT_EQ(2ul, activeInterpolations->size());
  87     EXPECT_FLOAT_EQ(10, getInterpolableNumber(activeInterpolations->at(0)));
  88     EXPECT_FLOAT_EQ(5.0120168f, getInterpolableNumber(activeInterpolations->at(1)));
  89
  90     interpolationEffect->getActiveInterpolations(1.5, duration, activeInterpolations);
  91     EXPECT_EQ(1ul, activeInterpolations->size());
  92     EXPECT_FLOAT_EQ(12.5f, getInterpolableNumber(activeInterpolations->at(0)));
  93
  94     interpolationEffect->getActiveInterpolations(2, duration, activeInterpolations);
  95     EXPECT_EQ(1ul, activeInterpolations->size());
  96     EXPECT_FLOAT_EQ(15, getInterpolableNumber(activeInterpolations->at(0)));
  97 }
  98
  99 }