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| 1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "cc/timing_function.h" | 5 #include "cc/timing_function.h" |
| 6 |
| 6 #include "testing/gtest/include/gtest/gtest.h" | 7 #include "testing/gtest/include/gtest/gtest.h" |
| 7 | 8 |
| 8 namespace cc { | 9 namespace cc { |
| 9 namespace { | 10 namespace { |
| 10 | 11 |
| 11 TEST(TimingFunctionTest, CubicBezierTimingFunction) { | 12 TEST(TimingFunctionTest, CubicBezierTimingFunction) { |
| 12 scoped_ptr<CubicBezierTimingFunction> function = CubicBezierTimingFunction::cr
eate(0.25, 0, 0.75, 1); | 13 scoped_ptr<CubicBezierTimingFunction> function = |
| 14 CubicBezierTimingFunction::create(0.25, 0, 0.75, 1); |
| 13 | 15 |
| 14 double epsilon = 0.00015; | 16 double epsilon = 0.00015; |
| 15 | 17 |
| 16 EXPECT_NEAR(function->getValue(0), 0, epsilon); | 18 EXPECT_NEAR(function->getValue(0), 0, epsilon); |
| 17 EXPECT_NEAR(function->getValue(0.05), 0.01136, epsilon); | 19 EXPECT_NEAR(function->getValue(0.05), 0.01136, epsilon); |
| 18 EXPECT_NEAR(function->getValue(0.1), 0.03978, epsilon); | 20 EXPECT_NEAR(function->getValue(0.1), 0.03978, epsilon); |
| 19 EXPECT_NEAR(function->getValue(0.15), 0.079780, epsilon); | 21 EXPECT_NEAR(function->getValue(0.15), 0.079780, epsilon); |
| 20 EXPECT_NEAR(function->getValue(0.2), 0.12803, epsilon); | 22 EXPECT_NEAR(function->getValue(0.2), 0.12803, epsilon); |
| 21 EXPECT_NEAR(function->getValue(0.25), 0.18235, epsilon); | 23 EXPECT_NEAR(function->getValue(0.25), 0.18235, epsilon); |
| 22 EXPECT_NEAR(function->getValue(0.3), 0.24115, epsilon); | 24 EXPECT_NEAR(function->getValue(0.3), 0.24115, epsilon); |
| 23 EXPECT_NEAR(function->getValue(0.35), 0.30323, epsilon); | 25 EXPECT_NEAR(function->getValue(0.35), 0.30323, epsilon); |
| 24 EXPECT_NEAR(function->getValue(0.4), 0.36761, epsilon); | 26 EXPECT_NEAR(function->getValue(0.4), 0.36761, epsilon); |
| 25 EXPECT_NEAR(function->getValue(0.45), 0.43345, epsilon); | 27 EXPECT_NEAR(function->getValue(0.45), 0.43345, epsilon); |
| 26 EXPECT_NEAR(function->getValue(0.5), 0.5, epsilon); | 28 EXPECT_NEAR(function->getValue(0.5), 0.5, epsilon); |
| 27 EXPECT_NEAR(function->getValue(0.6), 0.63238, epsilon); | 29 EXPECT_NEAR(function->getValue(0.6), 0.63238, epsilon); |
| 28 EXPECT_NEAR(function->getValue(0.65), 0.69676, epsilon); | 30 EXPECT_NEAR(function->getValue(0.65), 0.69676, epsilon); |
| 29 EXPECT_NEAR(function->getValue(0.7), 0.75884, epsilon); | 31 EXPECT_NEAR(function->getValue(0.7), 0.75884, epsilon); |
| 30 EXPECT_NEAR(function->getValue(0.75), 0.81764, epsilon); | 32 EXPECT_NEAR(function->getValue(0.75), 0.81764, epsilon); |
| 31 EXPECT_NEAR(function->getValue(0.8), 0.87196, epsilon); | 33 EXPECT_NEAR(function->getValue(0.8), 0.87196, epsilon); |
| 32 EXPECT_NEAR(function->getValue(0.85), 0.92021, epsilon); | 34 EXPECT_NEAR(function->getValue(0.85), 0.92021, epsilon); |
| 33 EXPECT_NEAR(function->getValue(0.9), 0.96021, epsilon); | 35 EXPECT_NEAR(function->getValue(0.9), 0.96021, epsilon); |
| 34 EXPECT_NEAR(function->getValue(0.95), 0.98863, epsilon); | 36 EXPECT_NEAR(function->getValue(0.95), 0.98863, epsilon); |
| 35 EXPECT_NEAR(function->getValue(1), 1, epsilon); | 37 EXPECT_NEAR(function->getValue(1), 1, epsilon); |
| 36 } | 38 } |
| 37 | 39 |
| 38 } // namespace | 40 } // namespace |
| 39 } // namespace cc | 41 } // namespace cc |
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