| // Copyright 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cc/timing_function.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace cc { |
| namespace { |
| |
| TEST(TimingFunctionTest, CubicBezierTimingFunction) { |
| scoped_ptr<CubicBezierTimingFunction> function = |
| CubicBezierTimingFunction::create(0.25, 0, 0.75, 1); |
| |
| double epsilon = 0.00015; |
| |
| EXPECT_NEAR(function->getValue(0), 0, epsilon); |
| EXPECT_NEAR(function->getValue(0.05), 0.01136, epsilon); |
| EXPECT_NEAR(function->getValue(0.1), 0.03978, epsilon); |
| EXPECT_NEAR(function->getValue(0.15), 0.079780, epsilon); |
| EXPECT_NEAR(function->getValue(0.2), 0.12803, epsilon); |
| EXPECT_NEAR(function->getValue(0.25), 0.18235, epsilon); |
| EXPECT_NEAR(function->getValue(0.3), 0.24115, epsilon); |
| EXPECT_NEAR(function->getValue(0.35), 0.30323, epsilon); |
| EXPECT_NEAR(function->getValue(0.4), 0.36761, epsilon); |
| EXPECT_NEAR(function->getValue(0.45), 0.43345, epsilon); |
| EXPECT_NEAR(function->getValue(0.5), 0.5, epsilon); |
| EXPECT_NEAR(function->getValue(0.6), 0.63238, epsilon); |
| EXPECT_NEAR(function->getValue(0.65), 0.69676, epsilon); |
| EXPECT_NEAR(function->getValue(0.7), 0.75884, epsilon); |
| EXPECT_NEAR(function->getValue(0.75), 0.81764, epsilon); |
| EXPECT_NEAR(function->getValue(0.8), 0.87196, epsilon); |
| EXPECT_NEAR(function->getValue(0.85), 0.92021, epsilon); |
| EXPECT_NEAR(function->getValue(0.9), 0.96021, epsilon); |
| EXPECT_NEAR(function->getValue(0.95), 0.98863, epsilon); |
| EXPECT_NEAR(function->getValue(1), 1, epsilon); |
| } |
| |
| } // namespace |
| } // namespace cc |