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
3 // found in the LICENSE file.
5 #include "cc/animation/timing_function.h"
7 #include "testing/gtest/include/gtest/gtest.h"
12 TEST(TimingFunctionTest
, CubicBezierTimingFunction
) {
13 scoped_ptr
<CubicBezierTimingFunction
> function
=
14 CubicBezierTimingFunction::Create(0.25, 0.0, 0.75, 1.0);
16 double epsilon
= 0.00015;
18 EXPECT_NEAR(function
->GetValue(0), 0, epsilon
);
19 EXPECT_NEAR(function
->GetValue(0.05), 0.01136, epsilon
);
20 EXPECT_NEAR(function
->GetValue(0.1), 0.03978, epsilon
);
21 EXPECT_NEAR(function
->GetValue(0.15), 0.079780, epsilon
);
22 EXPECT_NEAR(function
->GetValue(0.2), 0.12803, epsilon
);
23 EXPECT_NEAR(function
->GetValue(0.25), 0.18235, epsilon
);
24 EXPECT_NEAR(function
->GetValue(0.3), 0.24115, epsilon
);
25 EXPECT_NEAR(function
->GetValue(0.35), 0.30323, epsilon
);
26 EXPECT_NEAR(function
->GetValue(0.4), 0.36761, epsilon
);
27 EXPECT_NEAR(function
->GetValue(0.45), 0.43345, epsilon
);
28 EXPECT_NEAR(function
->GetValue(0.5), 0.5, epsilon
);
29 EXPECT_NEAR(function
->GetValue(0.6), 0.63238, epsilon
);
30 EXPECT_NEAR(function
->GetValue(0.65), 0.69676, epsilon
);
31 EXPECT_NEAR(function
->GetValue(0.7), 0.75884, epsilon
);
32 EXPECT_NEAR(function
->GetValue(0.75), 0.81764, epsilon
);
33 EXPECT_NEAR(function
->GetValue(0.8), 0.87196, epsilon
);
34 EXPECT_NEAR(function
->GetValue(0.85), 0.92021, epsilon
);
35 EXPECT_NEAR(function
->GetValue(0.9), 0.96021, epsilon
);
36 EXPECT_NEAR(function
->GetValue(0.95), 0.98863, epsilon
);
37 EXPECT_NEAR(function
->GetValue(1), 1, epsilon
);
