forked from chromium/chromium
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathscroll_offset_animation_curve_unittest.cc
149 lines (120 loc) · 5.71 KB
/
scroll_offset_animation_curve_unittest.cc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
// Copyright 2013 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/animation/scroll_offset_animation_curve.h"
#include "cc/animation/timing_function.h"
#include "cc/test/geometry_test_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cc {
namespace {
TEST(ScrollOffsetAnimationCurveTest, Duration) {
gfx::ScrollOffset target_value(100.f, 200.f);
scoped_ptr<ScrollOffsetAnimationCurve> curve(
ScrollOffsetAnimationCurve::Create(
target_value,
EaseInOutTimingFunction::Create().Pass()));
curve->SetInitialValue(target_value);
EXPECT_DOUBLE_EQ(0.0, curve->Duration().InSecondsF());
// x decreases, y stays the same.
curve->SetInitialValue(gfx::ScrollOffset(136.f, 200.f));
EXPECT_DOUBLE_EQ(0.1, curve->Duration().InSecondsF());
// x increases, y stays the same.
curve->SetInitialValue(gfx::ScrollOffset(19.f, 200.f));
EXPECT_DOUBLE_EQ(0.15, curve->Duration().InSecondsF());
// x stays the same, y decreases.
curve->SetInitialValue(gfx::ScrollOffset(100.f, 344.f));
EXPECT_DOUBLE_EQ(0.2, curve->Duration().InSecondsF());
// x stays the same, y increases.
curve->SetInitialValue(gfx::ScrollOffset(100.f, 191.f));
EXPECT_DOUBLE_EQ(0.05, curve->Duration().InSecondsF());
// x decreases, y decreases.
curve->SetInitialValue(gfx::ScrollOffset(32500.f, 500.f));
EXPECT_DOUBLE_EQ(3.0, curve->Duration().InSecondsF());
// x decreases, y increases.
curve->SetInitialValue(gfx::ScrollOffset(150.f, 119.f));
EXPECT_DOUBLE_EQ(0.15, curve->Duration().InSecondsF());
// x increases, y decreases.
curve->SetInitialValue(gfx::ScrollOffset(0.f, 14600.f));
EXPECT_DOUBLE_EQ(2.0, curve->Duration().InSecondsF());
// x increases, y increases.
curve->SetInitialValue(gfx::ScrollOffset(95.f, 191.f));
EXPECT_DOUBLE_EQ(0.05, curve->Duration().InSecondsF());
}
TEST(ScrollOffsetAnimationCurveTest, GetValue) {
gfx::ScrollOffset initial_value(2.f, 40.f);
gfx::ScrollOffset target_value(10.f, 20.f);
scoped_ptr<ScrollOffsetAnimationCurve> curve(
ScrollOffsetAnimationCurve::Create(
target_value,
EaseInOutTimingFunction::Create().Pass()));
curve->SetInitialValue(initial_value);
double duration_in_seconds = curve->Duration().InSecondsF();
EXPECT_GT(curve->Duration().InSecondsF(), 0);
EXPECT_LT(curve->Duration().InSecondsF(), 0.1);
EXPECT_EQ(AnimationCurve::ScrollOffset, curve->Type());
EXPECT_EQ(duration_in_seconds, curve->Duration().InSecondsF());
EXPECT_VECTOR2DF_EQ(initial_value, curve->GetValue(-1.0));
EXPECT_VECTOR2DF_EQ(initial_value, curve->GetValue(0.0));
EXPECT_VECTOR2DF_EQ(gfx::ScrollOffset(6.f, 30.f),
curve->GetValue(duration_in_seconds / 2.0));
EXPECT_VECTOR2DF_EQ(target_value, curve->GetValue(duration_in_seconds));
EXPECT_VECTOR2DF_EQ(target_value, curve->GetValue(duration_in_seconds + 1.0));
// Verify that GetValue takes the timing function into account.
gfx::ScrollOffset value = curve->GetValue(duration_in_seconds / 4.0);
EXPECT_NEAR(3.0333f, value.x(), 0.00015f);
EXPECT_NEAR(37.4168f, value.y(), 0.00015f);
}
// Verify that a clone behaves exactly like the original.
TEST(ScrollOffsetAnimationCurveTest, Clone) {
gfx::ScrollOffset initial_value(2.f, 40.f);
gfx::ScrollOffset target_value(10.f, 20.f);
scoped_ptr<ScrollOffsetAnimationCurve> curve(
ScrollOffsetAnimationCurve::Create(
target_value,
EaseInOutTimingFunction::Create().Pass()));
curve->SetInitialValue(initial_value);
double duration_in_seconds = curve->Duration().InSecondsF();
scoped_ptr<AnimationCurve> clone(curve->Clone().Pass());
EXPECT_EQ(AnimationCurve::ScrollOffset, clone->Type());
EXPECT_EQ(duration_in_seconds, clone->Duration().InSecondsF());
EXPECT_VECTOR2DF_EQ(initial_value,
clone->ToScrollOffsetAnimationCurve()->GetValue(-1.0));
EXPECT_VECTOR2DF_EQ(initial_value,
clone->ToScrollOffsetAnimationCurve()->GetValue(0.0));
EXPECT_VECTOR2DF_EQ(gfx::ScrollOffset(6.f, 30.f),
clone->ToScrollOffsetAnimationCurve()->GetValue(
duration_in_seconds / 2.0));
EXPECT_VECTOR2DF_EQ(
target_value,
clone->ToScrollOffsetAnimationCurve()->GetValue(duration_in_seconds));
EXPECT_VECTOR2DF_EQ(target_value,
clone->ToScrollOffsetAnimationCurve()->GetValue(
duration_in_seconds + 1.0));
// Verify that the timing function was cloned correctly.
gfx::ScrollOffset value = clone->ToScrollOffsetAnimationCurve()->GetValue(
duration_in_seconds / 4.0);
EXPECT_NEAR(3.0333f, value.x(), 0.00015f);
EXPECT_NEAR(37.4168f, value.y(), 0.00015f);
}
TEST(ScrollOffsetAnimationCurveTest, UpdateTarget) {
gfx::ScrollOffset initial_value(0.f, 0.f);
gfx::ScrollOffset target_value(0.f, 3600.f);
scoped_ptr<ScrollOffsetAnimationCurve> curve(
ScrollOffsetAnimationCurve::Create(
target_value, EaseInOutTimingFunction::Create().Pass()));
curve->SetInitialValue(initial_value);
EXPECT_EQ(1.0, curve->Duration().InSecondsF());
EXPECT_EQ(1800.0, curve->GetValue(0.5).y());
EXPECT_EQ(3600.0, curve->GetValue(1.0).y());
curve->UpdateTarget(0.5, gfx::ScrollOffset(0.0, 9900.0));
EXPECT_EQ(2.0, curve->Duration().InSecondsF());
EXPECT_EQ(1800.0, curve->GetValue(0.5).y());
EXPECT_NEAR(5566.49, curve->GetValue(1.0).y(), 0.01);
EXPECT_EQ(9900.0, curve->GetValue(2.0).y());
curve->UpdateTarget(1.0, gfx::ScrollOffset(0.0, 7200.0));
EXPECT_NEAR(1.674, curve->Duration().InSecondsF(), 0.01);
EXPECT_NEAR(5566.49, curve->GetValue(1.0).y(), 0.01);
EXPECT_EQ(7200.0, curve->GetValue(1.674).y());
}
} // namespace
} // namespace cc