src/third_party/WebKit/Source/platform/animation/TimingFunctionTestHelperTest.cpp

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  30
  31 #include "config.h"
  32
  33 #include "platform/animation/TimingFunctionTestHelper.h"
  34
  35 #include <gmock/gmock.h>
  36 #include <gtest/gtest.h>
  37 #include <sstream>
  38 #include <string>
  39
  40 // FIXME: Remove once https://codereview.chromium.org/50603011/ lands.
  41 #define EXPECT_REFV_EQ(a, b) EXPECT_EQ(*(a.get()), *(b.get()))
  42 #define EXPECT_REFV_NE(a, b) EXPECT_NE(*(a.get()), *(b.get()))
  43
  44 // Couple of macros to quickly assert a bunch of timing functions are not
  45 // equal.
  46 #define NE_STRINGIZE(x) NE_STRINGIZE2(x)
  47 #define NE_STRINGIZE2(x) #x
  48 #define NE_HELPER(v) \
  49     Vector<std::pair<std::string, RefPtr<TimingFunction> > > v;
  50 #define NE_HELPER_APPEND(v, x) \
  51     v.append(std::make_pair(std::string("Line " NE_STRINGIZE(__LINE__) ":" # x), x))
  52 #define NE_HELPER_LOOP(v) \
  53     for (size_t i = 0; i != v.size(); ++i) { \
  54         for (size_t j = 0; j != v.size(); ++j) { \
  55             if (i == j) \
  56                 continue; \
  57             EXPECT_REFV_NE(v[i].second, v[j].second) \
  58                 << v[i].first \
  59                 << " (" << ::testing::PrintToString(*v[i].second.get()) << ")" \
  60                 << "  ==  " \
  61                 << v[j].first \
  62                 << " (" << ::testing::PrintToString(*v[j].second.get()) << ")" \
  63                 << "\n"; \
  64         } \
  65     }
  66
  67 namespace {
  68
  69 using namespace WebCore;
  70
  71 class TimingFunctionTestHelperTest : public ::testing::Test {
  72
  73 public:
  74     // Make sure that the CubicBezierTimingFunction call goes via the generic
  75     // TimingFunction PrintTo.
  76     ::std::string PrintToString(RefPtr<CubicBezierTimingFunction> timing)
  77     {
  78         RefPtr<TimingFunction> generic = timing;
  79         return PrintToString(generic.get());
  80     }
  81
  82     ::std::string PrintToString(RefPtr<TimingFunction> timing)
  83     {
  84         return PrintToString(timing.get());
  85     }
  86
  87     ::std::string PrintToString(const TimingFunction* timing)
  88     {
  89         return ::testing::PrintToString(*timing);
  90     }
  91 };
  92
  93 TEST_F(TimingFunctionTestHelperTest, LinearPrintTo)
  94 {
  95     RefPtr<TimingFunction> linearTiming = LinearTimingFunction::create();
  96     EXPECT_THAT(
  97         PrintToString(linearTiming),
  98         ::testing::MatchesRegex("linear"));
  99 }
 100
 101 TEST_F(TimingFunctionTestHelperTest, CubicPrintTo)
 102 {
 103     RefPtr<TimingFunction> cubicEaseTiming = CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseIn);
 104     EXPECT_THAT(
 105         PrintToString(cubicEaseTiming),
 106         ::testing::MatchesRegex("ease-in"));
 107
 108     RefPtr<TimingFunction> cubicCustomTiming = CubicBezierTimingFunction::create(0.17, 0.67, 1, -1.73);
 109     EXPECT_THAT(
 110         PrintToString(cubicCustomTiming),
 111         ::testing::MatchesRegex("cubic-bezier\\(0.17, 0.67, 1, -1.73\\)"));
 112 }
 113
 114 TEST_F(TimingFunctionTestHelperTest, StepPrintTo)
 115 {
 116     RefPtr<TimingFunction> stepTimingStart = StepsTimingFunction::preset(StepsTimingFunction::Start);
 117     EXPECT_THAT(
 118         PrintToString(stepTimingStart),
 119         ::testing::MatchesRegex("step-start"));
 120
 121     RefPtr<TimingFunction> stepTimingCustom = StepsTimingFunction::create(5, false);
 122     EXPECT_THAT(
 123         PrintToString(stepTimingCustom),
 124         ::testing::MatchesRegex("steps\\(5, end\\)"));
 125 }
 126
 127 TEST_F(TimingFunctionTestHelperTest, ChainedPrintTo)
 128 {
 129     RefPtr<TimingFunction> linearTiming = LinearTimingFunction::create();
 130     RefPtr<ChainedTimingFunction> chainedLinearSingle = ChainedTimingFunction::create();
 131     chainedLinearSingle->appendSegment(1.0, linearTiming.get());
 132     EXPECT_THAT(
 133         PrintToString(chainedLinearSingle),
 134         ::testing::MatchesRegex(
 135             "chained\\("
 136                 "linear\\[0 -> 1\\]"
 137             "\\)"));
 138
 139     RefPtr<TimingFunction> cubicCustomTiming = CubicBezierTimingFunction::create(1.0, 0.0, 1, -1);
 140
 141     RefPtr<ChainedTimingFunction> chainedMixed = ChainedTimingFunction::create();
 142     chainedMixed->appendSegment(0.75, chainedLinearSingle.get());
 143     chainedMixed->appendSegment(1.0, cubicCustomTiming.get());
 144     EXPECT_THAT(
 145         PrintToString(chainedMixed),
 146         ::testing::MatchesRegex(
 147             "chained\\("
 148                 "chained\\("
 149                     "linear\\[0 -> 1\\]"
 150                 "\\)\\[0 -> 0.75\\], "
 151                 "cubic-bezier\\(1, 0, 1, -1\\)\\[0.75 -> 1\\]"
 152             "\\)"));
 153 }
 154
 155 TEST_F(TimingFunctionTestHelperTest, BaseOperatorEq)
 156 {
 157     RefPtr<TimingFunction> linearTiming = LinearTimingFunction::create();
 158     RefPtr<TimingFunction> cubicTiming1 = CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseIn);
 159     RefPtr<TimingFunction> cubicTiming2 = CubicBezierTimingFunction::create(0.17, 0.67, 1, -1.73);
 160     RefPtr<TimingFunction> stepsTiming1 = StepsTimingFunction::preset(StepsTimingFunction::End);
 161     RefPtr<TimingFunction> stepsTiming2 = StepsTimingFunction::create(5, true);
 162
 163     RefPtr<ChainedTimingFunction> chainedTiming1 = ChainedTimingFunction::create();
 164     chainedTiming1->appendSegment(1.0, linearTiming.get());
 165
 166     RefPtr<ChainedTimingFunction> chainedTiming2 = ChainedTimingFunction::create();
 167     chainedTiming2->appendSegment(0.5, cubicTiming1.get());
 168     chainedTiming2->appendSegment(1.0, cubicTiming2.get());
 169
 170     NE_HELPER(v);
 171     NE_HELPER_APPEND(v, linearTiming);
 172     NE_HELPER_APPEND(v, cubicTiming1);
 173     NE_HELPER_APPEND(v, cubicTiming2);
 174     NE_HELPER_APPEND(v, stepsTiming1);
 175     NE_HELPER_APPEND(v, stepsTiming2);
 176     NE_HELPER_APPEND(v, chainedTiming1);
 177     NE_HELPER_APPEND(v, chainedTiming2);
 178     NE_HELPER_LOOP(v);
 179 }
 180
 181 TEST_F(TimingFunctionTestHelperTest, LinearOperatorEq)
 182 {
 183     RefPtr<TimingFunction> linearTiming1 = LinearTimingFunction::create();
 184     RefPtr<TimingFunction> linearTiming2 = LinearTimingFunction::create();
 185     EXPECT_REFV_EQ(linearTiming1, linearTiming1);
 186     EXPECT_REFV_EQ(linearTiming1, linearTiming2);
 187 }
 188
 189 TEST_F(TimingFunctionTestHelperTest, CubicOperatorEq)
 190 {
 191     RefPtr<TimingFunction> cubicEaseInTiming1 = CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseIn);
 192     RefPtr<TimingFunction> cubicEaseInTiming2 = CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseIn);
 193     EXPECT_REFV_EQ(cubicEaseInTiming1, cubicEaseInTiming1);
 194     EXPECT_REFV_EQ(cubicEaseInTiming1, cubicEaseInTiming2);
 195
 196     RefPtr<TimingFunction> cubicEaseOutTiming1 = CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseOut);
 197     RefPtr<TimingFunction> cubicEaseOutTiming2 = CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseOut);
 198     EXPECT_REFV_EQ(cubicEaseOutTiming1, cubicEaseOutTiming2);
 199
 200     RefPtr<TimingFunction> cubicEaseInOutTiming1 = CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseInOut);
 201     RefPtr<TimingFunction> cubicEaseInOutTiming2 = CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseInOut);
 202     EXPECT_REFV_EQ(cubicEaseInOutTiming1, cubicEaseInOutTiming2);
 203
 204     RefPtr<TimingFunction> cubicCustomTiming1 = CubicBezierTimingFunction::create(0.17, 0.67, 1, -1.73);
 205     RefPtr<TimingFunction> cubicCustomTiming2 = CubicBezierTimingFunction::create(0.17, 0.67, 1, -1.73);
 206     EXPECT_REFV_EQ(cubicCustomTiming1, cubicCustomTiming2);
 207
 208     NE_HELPER(v);
 209     NE_HELPER_APPEND(v, cubicEaseInTiming1);
 210     NE_HELPER_APPEND(v, cubicEaseOutTiming1);
 211     NE_HELPER_APPEND(v, cubicEaseInOutTiming1);
 212     NE_HELPER_APPEND(v, cubicCustomTiming1);
 213     NE_HELPER_LOOP(v);
 214 }
 215
 216 TEST_F(TimingFunctionTestHelperTest, CubicOperatorEqReflectivity)
 217 {
 218     RefPtr<TimingFunction> cubicA = CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseIn);
 219     RefPtr<TimingFunction> cubicB = CubicBezierTimingFunction::create(0.42, 0.0, 1.0, 1.0);
 220     EXPECT_REFV_NE(cubicA, cubicB);
 221     EXPECT_REFV_NE(cubicB, cubicA);
 222 }
 223
 224 TEST_F(TimingFunctionTestHelperTest, StepsOperatorEq)
 225 {
 226     RefPtr<TimingFunction> stepsTimingStart1 = StepsTimingFunction::preset(StepsTimingFunction::Start);
 227     RefPtr<TimingFunction> stepsTimingStart2 = StepsTimingFunction::preset(StepsTimingFunction::Start);
 228     EXPECT_REFV_EQ(stepsTimingStart1, stepsTimingStart1);
 229     EXPECT_REFV_EQ(stepsTimingStart1, stepsTimingStart2);
 230
 231     RefPtr<TimingFunction> stepsTimingEnd1 = StepsTimingFunction::preset(StepsTimingFunction::End);
 232     RefPtr<TimingFunction> stepsTimingEnd2 = StepsTimingFunction::preset(StepsTimingFunction::End);
 233     EXPECT_REFV_EQ(stepsTimingEnd1, stepsTimingEnd2);
 234
 235     RefPtr<TimingFunction> stepsTimingCustom1 = StepsTimingFunction::create(5, true);
 236     RefPtr<TimingFunction> stepsTimingCustom2 = StepsTimingFunction::create(5, false);
 237     RefPtr<TimingFunction> stepsTimingCustom3 = StepsTimingFunction::create(7, true);
 238     RefPtr<TimingFunction> stepsTimingCustom4 = StepsTimingFunction::create(7, false);
 239
 240     EXPECT_REFV_EQ(stepsTimingCustom1, StepsTimingFunction::create(5, true));
 241     EXPECT_REFV_EQ(stepsTimingCustom2, StepsTimingFunction::create(5, false));
 242     EXPECT_REFV_EQ(stepsTimingCustom3, StepsTimingFunction::create(7, true));
 243     EXPECT_REFV_EQ(stepsTimingCustom4, StepsTimingFunction::create(7, false));
 244
 245     NE_HELPER(v);
 246     NE_HELPER_APPEND(v, stepsTimingStart1);
 247     NE_HELPER_APPEND(v, stepsTimingEnd1);
 248     NE_HELPER_APPEND(v, stepsTimingCustom1);
 249     NE_HELPER_APPEND(v, stepsTimingCustom2);
 250     NE_HELPER_APPEND(v, stepsTimingCustom3);
 251     NE_HELPER_APPEND(v, stepsTimingCustom4);
 252     NE_HELPER_LOOP(v);
 253 }
 254
 255 TEST_F(TimingFunctionTestHelperTest, StepsOperatorEqReflectivity)
 256 {
 257     RefPtr<TimingFunction> stepsA = StepsTimingFunction::preset(StepsTimingFunction::Start);
 258     RefPtr<TimingFunction> stepsB = StepsTimingFunction::create(1, true);
 259     EXPECT_REFV_NE(stepsA, stepsB);
 260     EXPECT_REFV_NE(stepsB, stepsA);
 261 }
 262
 263 TEST_F(TimingFunctionTestHelperTest, ChainedEq)
 264 {
 265     // Single item in chain
 266     RefPtr<TimingFunction> cubicTiming1 = CubicBezierTimingFunction::create(0.25, 0.1, 0.25, 1.0);
 267     RefPtr<TimingFunction> cubicTiming2 = CubicBezierTimingFunction::create(0.25, 0.1, 0.25, 1.0);
 268     RefPtr<TimingFunction> cubicTiming3 = CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseOut);
 269
 270     RefPtr<ChainedTimingFunction> chainedSingleCubic1 = ChainedTimingFunction::create();
 271     chainedSingleCubic1->appendSegment(1.0, cubicTiming1.get());
 272     EXPECT_REFV_EQ(chainedSingleCubic1, chainedSingleCubic1);
 273
 274     RefPtr<ChainedTimingFunction> chainedSingleCubic2 = ChainedTimingFunction::create();
 275     chainedSingleCubic2->appendSegment(1.0, cubicTiming1.get()); // Same inner timing function
 276     EXPECT_REFV_EQ(chainedSingleCubic1, chainedSingleCubic2);
 277
 278     RefPtr<ChainedTimingFunction> chainedSingleCubic3 = ChainedTimingFunction::create();
 279     chainedSingleCubic3->appendSegment(1.0, cubicTiming2.get()); // == inner timing function
 280     EXPECT_REFV_EQ(chainedSingleCubic1, chainedSingleCubic3);
 281
 282     RefPtr<ChainedTimingFunction> chainedSingleCubic4 = ChainedTimingFunction::create();
 283     chainedSingleCubic4->appendSegment(0.5, cubicTiming1.get()); // Different offset
 284     EXPECT_REFV_NE(chainedSingleCubic1, chainedSingleCubic4);
 285     EXPECT_REFV_NE(chainedSingleCubic3, chainedSingleCubic4);
 286
 287     RefPtr<ChainedTimingFunction> chainedSingleCubic5 = ChainedTimingFunction::create();
 288     chainedSingleCubic5->appendSegment(1.0, cubicTiming3.get()); // != inner timing function (same type)
 289     EXPECT_REFV_NE(chainedSingleCubic1, chainedSingleCubic5);
 290     EXPECT_REFV_NE(chainedSingleCubic2, chainedSingleCubic5);
 291     EXPECT_REFV_NE(chainedSingleCubic3, chainedSingleCubic5);
 292     EXPECT_REFV_NE(chainedSingleCubic4, chainedSingleCubic5);
 293
 294     RefPtr<TimingFunction> linearTiming1 = LinearTimingFunction::create();
 295     RefPtr<ChainedTimingFunction> chainedSingleLinear1 = ChainedTimingFunction::create();
 296     chainedSingleLinear1->appendSegment(1.0, linearTiming1.get()); // != inner timing function (different type)
 297     EXPECT_REFV_NE(chainedSingleLinear1, chainedSingleCubic1);
 298     EXPECT_REFV_NE(chainedSingleLinear1, chainedSingleCubic2);
 299     EXPECT_REFV_NE(chainedSingleLinear1, chainedSingleCubic3);
 300     EXPECT_REFV_NE(chainedSingleLinear1, chainedSingleCubic4);
 301
 302     // Multiple items in chain
 303     RefPtr<ChainedTimingFunction> chainedMixed1 = ChainedTimingFunction::create();
 304     chainedMixed1->appendSegment(0.25, chainedSingleLinear1.get());
 305     chainedMixed1->appendSegment(1.0, cubicTiming1.get());
 306
 307     RefPtr<ChainedTimingFunction> chainedMixed2 = ChainedTimingFunction::create();
 308     chainedMixed2->appendSegment(0.25, chainedSingleLinear1.get());
 309     chainedMixed2->appendSegment(1.0, cubicTiming1.get());
 310
 311     RefPtr<ChainedTimingFunction> chainedMixed3 = ChainedTimingFunction::create();
 312     chainedMixed3->appendSegment(0.25, chainedSingleLinear1.get());
 313     chainedMixed3->appendSegment(1.0, cubicTiming2.get());
 314
 315     EXPECT_REFV_EQ(chainedMixed1, chainedMixed2);
 316     EXPECT_REFV_EQ(chainedMixed1, chainedMixed3);
 317     EXPECT_REFV_NE(chainedMixed1, chainedSingleCubic1);
 318     EXPECT_REFV_NE(chainedMixed1, chainedSingleLinear1);
 319
 320     RefPtr<ChainedTimingFunction> chainedMixed4 = ChainedTimingFunction::create();
 321     chainedMixed4->appendSegment(0.20, chainedSingleLinear1.get()); // Different offset
 322     chainedMixed4->appendSegment(1.0, cubicTiming1.get());
 323     EXPECT_REFV_NE(chainedMixed1, chainedMixed4);
 324 }
 325
 326 } // namespace