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Issue 1057283003: Remove parts of //cc we aren't using (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 8 months ago
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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/base/time_util.h"
9 #include "cc/test/geometry_test_utils.h"
10 #include "testing/gtest/include/gtest/gtest.h"
11
12 namespace cc {
13 namespace {
14
15 TEST(ScrollOffsetAnimationCurveTest, Duration) {
16 gfx::ScrollOffset target_value(100.f, 200.f);
17 scoped_ptr<ScrollOffsetAnimationCurve> curve(
18 ScrollOffsetAnimationCurve::Create(
19 target_value,
20 EaseInOutTimingFunction::Create().Pass()));
21
22 curve->SetInitialValue(target_value);
23 EXPECT_DOUBLE_EQ(0.0, curve->Duration().InSecondsF());
24
25 // x decreases, y stays the same.
26 curve->SetInitialValue(gfx::ScrollOffset(136.f, 200.f));
27 EXPECT_DOUBLE_EQ(0.1, curve->Duration().InSecondsF());
28
29 // x increases, y stays the same.
30 curve->SetInitialValue(gfx::ScrollOffset(19.f, 200.f));
31 EXPECT_DOUBLE_EQ(0.15, curve->Duration().InSecondsF());
32
33 // x stays the same, y decreases.
34 curve->SetInitialValue(gfx::ScrollOffset(100.f, 344.f));
35 EXPECT_DOUBLE_EQ(0.2, curve->Duration().InSecondsF());
36
37 // x stays the same, y increases.
38 curve->SetInitialValue(gfx::ScrollOffset(100.f, 191.f));
39 EXPECT_DOUBLE_EQ(0.05, curve->Duration().InSecondsF());
40
41 // x decreases, y decreases.
42 curve->SetInitialValue(gfx::ScrollOffset(32500.f, 500.f));
43 EXPECT_DOUBLE_EQ(3.0, curve->Duration().InSecondsF());
44
45 // x decreases, y increases.
46 curve->SetInitialValue(gfx::ScrollOffset(150.f, 119.f));
47 EXPECT_DOUBLE_EQ(0.15, curve->Duration().InSecondsF());
48
49 // x increases, y decreases.
50 curve->SetInitialValue(gfx::ScrollOffset(0.f, 14600.f));
51 EXPECT_DOUBLE_EQ(2.0, curve->Duration().InSecondsF());
52
53 // x increases, y increases.
54 curve->SetInitialValue(gfx::ScrollOffset(95.f, 191.f));
55 EXPECT_DOUBLE_EQ(0.05, curve->Duration().InSecondsF());
56 }
57
58 TEST(ScrollOffsetAnimationCurveTest, GetValue) {
59 gfx::ScrollOffset initial_value(2.f, 40.f);
60 gfx::ScrollOffset target_value(10.f, 20.f);
61 scoped_ptr<ScrollOffsetAnimationCurve> curve(
62 ScrollOffsetAnimationCurve::Create(
63 target_value,
64 EaseInOutTimingFunction::Create().Pass()));
65 curve->SetInitialValue(initial_value);
66
67 base::TimeDelta duration = curve->Duration();
68 EXPECT_GT(curve->Duration().InSecondsF(), 0);
69 EXPECT_LT(curve->Duration().InSecondsF(), 0.1);
70
71 EXPECT_EQ(AnimationCurve::SCROLL_OFFSET, curve->Type());
72 EXPECT_EQ(duration, curve->Duration());
73
74 EXPECT_VECTOR2DF_EQ(initial_value,
75 curve->GetValue(base::TimeDelta::FromSecondsD(-1.0)));
76 EXPECT_VECTOR2DF_EQ(initial_value, curve->GetValue(base::TimeDelta()));
77 EXPECT_VECTOR2DF_NEAR(gfx::ScrollOffset(6.f, 30.f),
78 curve->GetValue(TimeUtil::Scale(duration, 0.5f)),
79 0.00025);
80 EXPECT_VECTOR2DF_EQ(target_value, curve->GetValue(duration));
81 EXPECT_VECTOR2DF_EQ(
82 target_value,
83 curve->GetValue(duration + base::TimeDelta::FromSecondsD(1.0)));
84
85 // Verify that GetValue takes the timing function into account.
86 gfx::ScrollOffset value = curve->GetValue(TimeUtil::Scale(duration, 0.25f));
87 EXPECT_NEAR(3.0333f, value.x(), 0.0002f);
88 EXPECT_NEAR(37.4168f, value.y(), 0.0002f);
89 }
90
91 // Verify that a clone behaves exactly like the original.
92 TEST(ScrollOffsetAnimationCurveTest, Clone) {
93 gfx::ScrollOffset initial_value(2.f, 40.f);
94 gfx::ScrollOffset target_value(10.f, 20.f);
95 scoped_ptr<ScrollOffsetAnimationCurve> curve(
96 ScrollOffsetAnimationCurve::Create(
97 target_value,
98 EaseInOutTimingFunction::Create().Pass()));
99 curve->SetInitialValue(initial_value);
100 base::TimeDelta duration = curve->Duration();
101
102 scoped_ptr<AnimationCurve> clone(curve->Clone().Pass());
103
104 EXPECT_EQ(AnimationCurve::SCROLL_OFFSET, clone->Type());
105 EXPECT_EQ(duration, clone->Duration());
106
107 EXPECT_VECTOR2DF_EQ(initial_value,
108 clone->ToScrollOffsetAnimationCurve()->GetValue(
109 base::TimeDelta::FromSecondsD(-1.0)));
110 EXPECT_VECTOR2DF_EQ(
111 initial_value,
112 clone->ToScrollOffsetAnimationCurve()->GetValue(base::TimeDelta()));
113 EXPECT_VECTOR2DF_NEAR(gfx::ScrollOffset(6.f, 30.f),
114 clone->ToScrollOffsetAnimationCurve()->GetValue(
115 TimeUtil::Scale(duration, 0.5f)),
116 0.00025);
117 EXPECT_VECTOR2DF_EQ(
118 target_value, clone->ToScrollOffsetAnimationCurve()->GetValue(duration));
119 EXPECT_VECTOR2DF_EQ(target_value,
120 clone->ToScrollOffsetAnimationCurve()->GetValue(
121 duration + base::TimeDelta::FromSecondsD(1.f)));
122
123 // Verify that the timing function was cloned correctly.
124 gfx::ScrollOffset value = clone->ToScrollOffsetAnimationCurve()->GetValue(
125 TimeUtil::Scale(duration, 0.25f));
126 EXPECT_NEAR(3.0333f, value.x(), 0.0002f);
127 EXPECT_NEAR(37.4168f, value.y(), 0.0002f);
128 }
129
130 TEST(ScrollOffsetAnimationCurveTest, UpdateTarget) {
131 gfx::ScrollOffset initial_value(0.f, 0.f);
132 gfx::ScrollOffset target_value(0.f, 3600.f);
133 scoped_ptr<ScrollOffsetAnimationCurve> curve(
134 ScrollOffsetAnimationCurve::Create(
135 target_value, EaseInOutTimingFunction::Create().Pass()));
136 curve->SetInitialValue(initial_value);
137 EXPECT_EQ(1.0, curve->Duration().InSecondsF());
138 EXPECT_EQ(1800.0, curve->GetValue(base::TimeDelta::FromSecondsD(0.5)).y());
139 EXPECT_EQ(3600.0, curve->GetValue(base::TimeDelta::FromSecondsD(1.0)).y());
140
141 curve->UpdateTarget(0.5, gfx::ScrollOffset(0.0, 9900.0));
142
143 EXPECT_EQ(2.0, curve->Duration().InSecondsF());
144 EXPECT_EQ(1800.0, curve->GetValue(base::TimeDelta::FromSecondsD(0.5)).y());
145 EXPECT_NEAR(5566.49, curve->GetValue(base::TimeDelta::FromSecondsD(1.0)).y(),
146 0.01);
147 EXPECT_EQ(9900.0, curve->GetValue(base::TimeDelta::FromSecondsD(2.0)).y());
148
149 curve->UpdateTarget(1.0, gfx::ScrollOffset(0.0, 7200.0));
150
151 EXPECT_NEAR(1.674, curve->Duration().InSecondsF(), 0.01);
152 EXPECT_NEAR(5566.49, curve->GetValue(base::TimeDelta::FromSecondsD(1.0)).y(),
153 0.01);
154 EXPECT_EQ(7200.0, curve->GetValue(base::TimeDelta::FromSecondsD(1.674)).y());
155 }
156
157 } // namespace
158 } // namespace cc
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