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
|
/*
* Copyright 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "Fps.h"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
namespace android {
TEST(FpsTest, construct) {
Fps fpsDefault;
EXPECT_FALSE(fpsDefault.isValid());
Fps fps1(60.0f);
EXPECT_TRUE(fps1.isValid());
Fps fps2 = Fps::fromPeriodNsecs(static_cast<nsecs_t>(1e9f / 60.0f));
EXPECT_TRUE(fps2.isValid());
EXPECT_TRUE(fps1.equalsWithMargin(fps2));
}
TEST(FpsTest, compare) {
constexpr float kEpsilon = 1e-4f;
const Fps::EqualsInBuckets equalsInBuckets;
const Fps::EqualsWithMargin equalsWithMargin;
EXPECT_TRUE(Fps(60.0f).equalsWithMargin(Fps(60.f)));
EXPECT_TRUE(Fps(60.0f).equalsWithMargin(Fps(60.f - kEpsilon)));
EXPECT_TRUE(Fps(60.0f).equalsWithMargin(Fps(60.f + kEpsilon)));
EXPECT_TRUE(equalsInBuckets(Fps(60.0f), Fps(60.0f)));
EXPECT_TRUE(equalsInBuckets(Fps(60.0f), Fps(60.0f - kEpsilon)));
EXPECT_TRUE(equalsInBuckets(Fps(60.0f), Fps(60.0f + kEpsilon)));
EXPECT_TRUE(equalsWithMargin(Fps(60.0f), Fps(60.0f)));
EXPECT_TRUE(equalsWithMargin(Fps(60.0f), Fps(60.0f - kEpsilon)));
EXPECT_TRUE(equalsWithMargin(Fps(60.0f), Fps(60.0f + kEpsilon)));
EXPECT_TRUE(Fps(60.0f).lessThanOrEqualWithMargin(Fps(60.f + kEpsilon)));
EXPECT_TRUE(Fps(60.0f).lessThanOrEqualWithMargin(Fps(60.f)));
EXPECT_TRUE(Fps(60.0f).lessThanOrEqualWithMargin(Fps(60.f - kEpsilon)));
EXPECT_TRUE(Fps(60.0f).greaterThanOrEqualWithMargin(Fps(60.f + kEpsilon)));
EXPECT_TRUE(Fps(60.0f).greaterThanOrEqualWithMargin(Fps(60.f)));
EXPECT_TRUE(Fps(60.0f).greaterThanOrEqualWithMargin(Fps(60.f - kEpsilon)));
// Fps with difference of 1 should be different
EXPECT_FALSE(Fps(60.0f).equalsWithMargin(Fps(61.f)));
EXPECT_TRUE(Fps(60.0f).lessThanWithMargin(Fps(61.f)));
EXPECT_TRUE(Fps(60.0f).greaterThanWithMargin(Fps(59.f)));
// These are common refresh rates which should be different.
EXPECT_FALSE(Fps(60.0f).equalsWithMargin(Fps(59.94f)));
EXPECT_TRUE(Fps(60.0f).greaterThanWithMargin(Fps(59.94f)));
EXPECT_FALSE(equalsInBuckets(Fps(60.0f), Fps(59.94f)));
EXPECT_FALSE(equalsWithMargin(Fps(60.0f), Fps(59.94f)));
EXPECT_NE(std::hash<Fps>()(Fps(60.0f)), std::hash<Fps>()(Fps(59.94f)));
EXPECT_FALSE(Fps(30.0f).equalsWithMargin(Fps(29.97f)));
EXPECT_TRUE(Fps(30.0f).greaterThanWithMargin(Fps(29.97f)));
EXPECT_FALSE(equalsInBuckets(Fps(30.0f), Fps(29.97f)));
EXPECT_FALSE(equalsWithMargin(Fps(30.0f), Fps(29.97f)));
EXPECT_NE(std::hash<Fps>()(Fps(30.0f)), std::hash<Fps>()(Fps(29.97f)));
}
TEST(FpsTest, getIntValue) {
EXPECT_EQ(30, Fps(30.1f).getIntValue());
EXPECT_EQ(31, Fps(30.9f).getIntValue());
EXPECT_EQ(31, Fps(30.5f).getIntValue());
}
TEST(FpsTest, equalsInBucketsImpliesEqualHashes) {
constexpr float kStep = 1e-4f;
const Fps::EqualsInBuckets equals;
for (float fps = 30.0f; fps < 31.0f; fps += kStep) {
const Fps left(fps);
const Fps right(fps + kStep);
if (equals(left, right)) {
ASSERT_EQ(std::hash<Fps>()(left), std::hash<Fps>()(right))
<< "left= " << left << " right=" << right;
}
}
}
} // namespace android
|
