1/*
2 * Copyright (c) 2013, Google Inc. All rights reserved.
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22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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29 */
30
31#include "config.h"
32#include "core/animation/TimingCalculations.h"
33
34#include <gtest/gtest.h>
35
36using namespace blink;
37
38namespace {
39
40TEST(AnimationTimingCalculationsTest, ActiveTime)
41{
42    Timing timing;
43
44    // calculateActiveTime(activeDuration, fillMode, localTime, parentPhase, phase, timing)
45
46    // Before Phase
47    timing.startDelay = 10;
48    EXPECT_TRUE(isNull(calculateActiveTime(20, Timing::FillModeForwards, 0, AnimationNode::PhaseActive, AnimationNode::PhaseBefore, timing)));
49    EXPECT_TRUE(isNull(calculateActiveTime(20, Timing::FillModeNone, 0, AnimationNode::PhaseActive, AnimationNode::PhaseBefore, timing)));
50    EXPECT_EQ(0, calculateActiveTime(20, Timing::FillModeBackwards, 0, AnimationNode::PhaseActive, AnimationNode::PhaseBefore, timing));
51    EXPECT_EQ(0, calculateActiveTime(20, Timing::FillModeBoth, 0, AnimationNode::PhaseActive, AnimationNode::PhaseBefore, timing));
52
53    // Active Phase
54    timing.startDelay = 10;
55    // Active, and parent Before
56    EXPECT_TRUE(isNull(calculateActiveTime(20, Timing::FillModeNone, 15, AnimationNode::PhaseBefore, AnimationNode::PhaseActive, timing)));
57    EXPECT_TRUE(isNull(calculateActiveTime(20, Timing::FillModeForwards, 15, AnimationNode::PhaseBefore, AnimationNode::PhaseActive, timing)));
58    // Active, and parent After
59    EXPECT_TRUE(isNull(calculateActiveTime(20, Timing::FillModeNone, 15, AnimationNode::PhaseAfter, AnimationNode::PhaseActive, timing)));
60    EXPECT_TRUE(isNull(calculateActiveTime(20, Timing::FillModeBackwards, 15, AnimationNode::PhaseAfter, AnimationNode::PhaseActive, timing)));
61    // Active, and parent Active
62    EXPECT_EQ(5, calculateActiveTime(20, Timing::FillModeForwards, 15, AnimationNode::PhaseActive, AnimationNode::PhaseActive, timing));
63
64    // After Phase
65    timing.startDelay = 10;
66    EXPECT_EQ(21, calculateActiveTime(21, Timing::FillModeForwards, 45, AnimationNode::PhaseActive, AnimationNode::PhaseAfter, timing));
67    EXPECT_EQ(21, calculateActiveTime(21, Timing::FillModeBoth, 45, AnimationNode::PhaseActive, AnimationNode::PhaseAfter, timing));
68    EXPECT_TRUE(isNull(calculateActiveTime(21, Timing::FillModeBackwards, 45, AnimationNode::PhaseActive, AnimationNode::PhaseAfter, timing)));
69    EXPECT_TRUE(isNull(calculateActiveTime(21, Timing::FillModeNone, 45, AnimationNode::PhaseActive, AnimationNode::PhaseAfter, timing)));
70
71    // None
72    EXPECT_TRUE(isNull(calculateActiveTime(32, Timing::FillModeNone, nullValue(), AnimationNode::PhaseNone, AnimationNode::PhaseNone, timing)));
73}
74
75TEST(AnimationTimingCalculationsTest, ScaledActiveTime)
76{
77    Timing timing;
78
79    // calculateScaledActiveTime(activeDuration, activeTime, startOffset, timing)
80
81    // if the active time is null
82    EXPECT_TRUE(isNull(calculateScaledActiveTime(4, nullValue(), 5, timing)));
83
84    // if the playback rate is negative
85    timing.playbackRate = -1;
86    EXPECT_EQ(35, calculateScaledActiveTime(40, 10, 5, timing));
87
88    // otherwise
89    timing.playbackRate = 0;
90    EXPECT_EQ(5, calculateScaledActiveTime(40, 10, 5, timing));
91    timing.playbackRate = 1;
92    EXPECT_EQ(15, calculateScaledActiveTime(40, 10, 5, timing));
93
94    // infinte activeTime
95    timing.playbackRate = 0;
96    EXPECT_EQ(0, calculateScaledActiveTime(std::numeric_limits<double>::infinity(), std::numeric_limits<double>::infinity(), 0, timing));
97    timing.playbackRate = 1;
98    EXPECT_EQ(std::numeric_limits<double>::infinity(), calculateScaledActiveTime(std::numeric_limits<double>::infinity(), std::numeric_limits<double>::infinity(), 0, timing));
99}
100
101TEST(AnimationTimingCalculationsTest, IterationTime)
102{
103    Timing timing;
104
105    // calculateIterationTime(iterationDuration, repeatedDuration, scaledActiveTime, startOffset, timing)
106
107    // if the scaled active time is null
108    EXPECT_TRUE(isNull(calculateIterationTime(1, 1, nullValue(), 1, timing)));
109
110    // if (complex-conditions)...
111    EXPECT_EQ(12, calculateIterationTime(12, 12, 12, 0, timing));
112
113    // otherwise
114    timing.iterationCount = 10;
115    EXPECT_EQ(5, calculateIterationTime(10, 100, 25, 4, timing));
116    EXPECT_EQ(7, calculateIterationTime(11, 110, 29, 1, timing));
117    timing.iterationStart = 1.1;
118    EXPECT_EQ(8, calculateIterationTime(12, 120, 20, 7, timing));
119}
120
121TEST(AnimationTimingCalculationsTest, CurrentIteration)
122{
123    Timing timing;
124
125    // calculateCurrentIteration(iterationDuration, iterationTime, scaledActiveTime, timing)
126
127    // if the scaled active time is null
128    EXPECT_TRUE(isNull(calculateCurrentIteration(1, 1, nullValue(), timing)));
129
130    // if the scaled active time is zero
131    EXPECT_EQ(0, calculateCurrentIteration(1, 1, 0, timing));
132
133    // if the iteration time equals the iteration duration
134    timing.iterationStart = 4;
135    timing.iterationCount = 7;
136    EXPECT_EQ(10, calculateCurrentIteration(5, 5, 9, timing));
137
138    // otherwise
139    EXPECT_EQ(3, calculateCurrentIteration(3.2, 3.1, 10, timing));
140}
141
142TEST(AnimationTimingCalculationsTest, DirectedTime)
143{
144    Timing timing;
145
146    // calculateDirectedTime(currentIteration, iterationDuration, iterationTime, timing)
147
148    // if the iteration time is null
149    EXPECT_TRUE(isNull(calculateDirectedTime(1, 2, nullValue(), timing)));
150
151    // forwards
152    EXPECT_EQ(17, calculateDirectedTime(0, 20, 17, timing));
153    EXPECT_EQ(17, calculateDirectedTime(1, 20, 17, timing));
154    timing.direction = Timing::PlaybackDirectionAlternate;
155    EXPECT_EQ(17, calculateDirectedTime(0, 20, 17, timing));
156    EXPECT_EQ(17, calculateDirectedTime(2, 20, 17, timing));
157    timing.direction = Timing::PlaybackDirectionAlternateReverse;
158    EXPECT_EQ(17, calculateDirectedTime(1, 20, 17, timing));
159    EXPECT_EQ(17, calculateDirectedTime(3, 20, 17, timing));
160
161    // reverse
162    timing.direction = Timing::PlaybackDirectionReverse;
163    EXPECT_EQ(3, calculateDirectedTime(0, 20, 17, timing));
164    EXPECT_EQ(3, calculateDirectedTime(1, 20, 17, timing));
165    timing.direction = Timing::PlaybackDirectionAlternate;
166    EXPECT_EQ(3, calculateDirectedTime(1, 20, 17, timing));
167    EXPECT_EQ(3, calculateDirectedTime(3, 20, 17, timing));
168    timing.direction = Timing::PlaybackDirectionAlternateReverse;
169    EXPECT_EQ(3, calculateDirectedTime(0, 20, 17, timing));
170    EXPECT_EQ(3, calculateDirectedTime(2, 20, 17, timing));
171}
172
173TEST(AnimationTimingCalculationsTest, TransformedTime)
174{
175    Timing timing;
176
177    // calculateTransformedTime(currentIteration, iterationDuration, iterationTime, timing)
178
179    // Iteration time is null
180    EXPECT_TRUE(isNull(calculateTransformedTime(1, 2, nullValue(), timing)));
181
182    // PlaybackDirectionForwards
183    EXPECT_EQ(12, calculateTransformedTime(0, 20, 12, timing));
184    EXPECT_EQ(12, calculateTransformedTime(1, 20, 12, timing));
185
186    // PlaybackDirectionForwards with timing function
187    timing.timingFunction = StepsTimingFunction::create(4, StepsTimingFunction::End);
188    EXPECT_EQ(10, calculateTransformedTime(0, 20, 12, timing));
189    EXPECT_EQ(10, calculateTransformedTime(1, 20, 12, timing));
190
191    // PlaybackDirectionReverse
192    timing.timingFunction = Timing::defaults().timingFunction;
193    timing.direction = Timing::PlaybackDirectionReverse;
194    EXPECT_EQ(8, calculateTransformedTime(0, 20, 12, timing));
195    EXPECT_EQ(8, calculateTransformedTime(1, 20, 12, timing));
196
197    // PlaybackDirectionReverse with timing function
198    timing.timingFunction = StepsTimingFunction::create(4, StepsTimingFunction::End);
199    EXPECT_EQ(5, calculateTransformedTime(0, 20, 12, timing));
200    EXPECT_EQ(5, calculateTransformedTime(1, 20, 12, timing));
201
202    // Timing function when directed time is null.
203    EXPECT_TRUE(isNull(calculateTransformedTime(1, 2, nullValue(), timing)));
204
205    // Timing function when iterationDuration is infinity
206    timing.direction = Timing::PlaybackDirectionNormal;
207    EXPECT_EQ(0, calculateTransformedTime(0, std::numeric_limits<double>::infinity(), 0, timing));
208    EXPECT_EQ(1, calculateTransformedTime(0, std::numeric_limits<double>::infinity(), 1, timing));
209    timing.direction = Timing::PlaybackDirectionReverse;
210    EXPECT_EQ(std::numeric_limits<double>::infinity(), calculateTransformedTime(0, std::numeric_limits<double>::infinity(), 0, timing));
211    EXPECT_EQ(std::numeric_limits<double>::infinity(), calculateTransformedTime(0, std::numeric_limits<double>::infinity(), 1, timing));
212}
213
214}
215