1 // Copyright 2013 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. 4 5 #include "cc/animation/scroll_offset_animation_curve.h" 6 7 #include "cc/animation/timing_function.h" 8 #include "cc/test/geometry_test_utils.h" 9 #include "testing/gtest/include/gtest/gtest.h" 10 11 namespace cc { 12 namespace { 13 14 TEST(ScrollOffsetAnimationCurveTest, Duration) { 15 gfx::Vector2dF target_value(100.f, 200.f); 16 scoped_ptr<ScrollOffsetAnimationCurve> curve( 17 ScrollOffsetAnimationCurve::Create( 18 target_value, 19 EaseInOutTimingFunction::Create().Pass())); 20 21 curve->SetInitialValue(target_value); 22 EXPECT_DOUBLE_EQ(0.0, curve->Duration()); 23 24 // x decreases, y stays the same. 25 curve->SetInitialValue(gfx::Vector2dF(136.f, 200.f)); 26 EXPECT_DOUBLE_EQ(0.1, curve->Duration()); 27 28 // x increases, y stays the same. 29 curve->SetInitialValue(gfx::Vector2dF(19.f, 200.f)); 30 EXPECT_DOUBLE_EQ(0.15, curve->Duration()); 31 32 // x stays the same, y decreases. 33 curve->SetInitialValue(gfx::Vector2dF(100.f, 344.f)); 34 EXPECT_DOUBLE_EQ(0.2, curve->Duration()); 35 36 // x stays the same, y increases. 37 curve->SetInitialValue(gfx::Vector2dF(100.f, 191.f)); 38 EXPECT_DOUBLE_EQ(0.05, curve->Duration()); 39 40 // x decreases, y decreases. 41 curve->SetInitialValue(gfx::Vector2dF(32500.f, 500.f)); 42 EXPECT_DOUBLE_EQ(3.0, curve->Duration()); 43 44 // x decreases, y increases. 45 curve->SetInitialValue(gfx::Vector2dF(150.f, 119.f)); 46 EXPECT_DOUBLE_EQ(0.15, curve->Duration()); 47 48 // x increases, y decreases. 49 curve->SetInitialValue(gfx::Vector2dF(0.f, 14600.f)); 50 EXPECT_DOUBLE_EQ(2.0, curve->Duration()); 51 52 // x increases, y increases. 53 curve->SetInitialValue(gfx::Vector2dF(95.f, 191.f)); 54 EXPECT_DOUBLE_EQ(0.05, curve->Duration()); 55 } 56 57 TEST(ScrollOffsetAnimationCurveTest, GetValue) { 58 gfx::Vector2dF initial_value(2.f, 40.f); 59 gfx::Vector2dF target_value(10.f, 20.f); 60 scoped_ptr<ScrollOffsetAnimationCurve> curve( 61 ScrollOffsetAnimationCurve::Create( 62 target_value, 63 EaseInOutTimingFunction::Create().Pass())); 64 curve->SetInitialValue(initial_value); 65 66 double duration = curve->Duration(); 67 EXPECT_GT(curve->Duration(), 0); 68 EXPECT_LT(curve->Duration(), 0.1); 69 70 EXPECT_EQ(AnimationCurve::ScrollOffset, curve->Type()); 71 EXPECT_EQ(duration, curve->Duration()); 72 73 EXPECT_VECTOR2DF_EQ(initial_value, curve->GetValue(-1.0)); 74 EXPECT_VECTOR2DF_EQ(initial_value, curve->GetValue(0.0)); 75 EXPECT_VECTOR2DF_EQ(gfx::Vector2dF(6.f, 30.f), curve->GetValue(duration/2.0)); 76 EXPECT_VECTOR2DF_EQ(target_value, curve->GetValue(duration)); 77 EXPECT_VECTOR2DF_EQ(target_value, curve->GetValue(duration+1.0)); 78 79 // Verify that GetValue takes the timing function into account. 80 gfx::Vector2dF value = curve->GetValue(duration/4.0); 81 EXPECT_NEAR(3.0333f, value.x(), 0.00015f); 82 EXPECT_NEAR(37.4168f, value.y(), 0.00015f); 83 } 84 85 // Verify that a clone behaves exactly like the original. 86 TEST(ScrollOffsetAnimationCurveTest, Clone) { 87 gfx::Vector2dF initial_value(2.f, 40.f); 88 gfx::Vector2dF target_value(10.f, 20.f); 89 scoped_ptr<ScrollOffsetAnimationCurve> curve( 90 ScrollOffsetAnimationCurve::Create( 91 target_value, 92 EaseInOutTimingFunction::Create().Pass())); 93 curve->SetInitialValue(initial_value); 94 double duration = curve->Duration(); 95 96 scoped_ptr<AnimationCurve> clone(curve->Clone().Pass()); 97 98 EXPECT_EQ(AnimationCurve::ScrollOffset, clone->Type()); 99 EXPECT_EQ(duration, clone->Duration()); 100 101 EXPECT_VECTOR2DF_EQ(initial_value, 102 clone->ToScrollOffsetAnimationCurve()->GetValue(-1.0)); 103 EXPECT_VECTOR2DF_EQ(initial_value, 104 clone->ToScrollOffsetAnimationCurve()->GetValue(0.0)); 105 EXPECT_VECTOR2DF_EQ( 106 gfx::Vector2dF(6.f, 30.f), 107 clone->ToScrollOffsetAnimationCurve()->GetValue(duration / 2.0)); 108 EXPECT_VECTOR2DF_EQ( 109 target_value, 110 clone->ToScrollOffsetAnimationCurve()->GetValue(duration)); 111 EXPECT_VECTOR2DF_EQ( 112 target_value, 113 clone->ToScrollOffsetAnimationCurve()->GetValue(duration + 1.0)); 114 115 // Verify that the timing function was cloned correctly. 116 gfx::Vector2dF value = 117 clone->ToScrollOffsetAnimationCurve()->GetValue(duration / 4.0); 118 EXPECT_NEAR(3.0333f, value.x(), 0.00015f); 119 EXPECT_NEAR(37.4168f, value.y(), 0.00015f); 120 } 121 122 } // namespace 123 } // namespace cc 124
