forked from chromium/chromium
-
Notifications
You must be signed in to change notification settings - Fork 0
/
repeat_controller_unittest.cc
107 lines (88 loc) · 3.43 KB
/
repeat_controller_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
// Copyright 2020 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 "ui/views/repeat_controller.h"
#include "base/bind.h"
#include "base/test/task_environment.h"
#include "base/time/time.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace views {
namespace {
class RepeatControllerTest : public testing::Test {
public:
RepeatControllerTest() = default;
~RepeatControllerTest() override = default;
void SetUp() override {
// Ensures that the callback hasn't fired at initialization.
ASSERT_EQ(0, times_called_);
}
protected:
// Short wait that must be below both
// RepeatController::GetInitialWaitForTesting() and
// RepeatController::GetRepeatingWaitForTesting().
static constexpr base::TimeDelta kShortWait = base::Milliseconds(10);
static_assert(
kShortWait < RepeatController::GetInitialWaitForTesting(),
"kShortWait must be shorter than the RepeatController initial wait.");
static_assert(
kShortWait < RepeatController::GetRepeatingWaitForTesting(),
"kShortWait must be shorter than the RepeatController repeating wait.");
int times_called() const { return times_called_; }
RepeatController& repeat_controller() { return repeat_controller_; }
void AdvanceTime(base::TimeDelta time_delta) {
task_environment_.FastForwardBy(time_delta);
}
private:
void IncrementTimesCalled() { ++times_called_; }
int times_called_ = 0;
base::test::TaskEnvironment task_environment_{
base::test::TaskEnvironment::TimeSource::MOCK_TIME};
RepeatController repeat_controller_{
base::BindRepeating(&RepeatControllerTest::IncrementTimesCalled,
base::Unretained(this)),
task_environment_.GetMockTickClock()};
};
// static
constexpr base::TimeDelta RepeatControllerTest::kShortWait;
} // namespace
TEST_F(RepeatControllerTest, StartStop) {
repeat_controller().Start();
repeat_controller().Stop();
EXPECT_EQ(0, times_called());
}
TEST_F(RepeatControllerTest, StartShortWait) {
repeat_controller().Start();
AdvanceTime(RepeatController::GetInitialWaitForTesting() - kShortWait);
EXPECT_EQ(0, times_called());
repeat_controller().Stop();
}
TEST_F(RepeatControllerTest, StartInitialWait) {
repeat_controller().Start();
AdvanceTime(RepeatController::GetInitialWaitForTesting() +
RepeatController::GetRepeatingWaitForTesting() - kShortWait);
EXPECT_EQ(1, times_called());
repeat_controller().Stop();
}
TEST_F(RepeatControllerTest, StartLongerWait) {
constexpr int kExpectedCallbacks = 34;
repeat_controller().Start();
AdvanceTime(RepeatController::GetInitialWaitForTesting() +
(RepeatController::GetRepeatingWaitForTesting() *
(kExpectedCallbacks - 1)) +
kShortWait);
EXPECT_EQ(kExpectedCallbacks, times_called());
repeat_controller().Stop();
}
TEST_F(RepeatControllerTest, NoCallbacksAfterStop) {
constexpr int kExpectedCallbacks = 34;
repeat_controller().Start();
AdvanceTime(RepeatController::GetInitialWaitForTesting() +
(RepeatController::GetRepeatingWaitForTesting() *
(kExpectedCallbacks - 1)) +
kShortWait);
repeat_controller().Stop();
AdvanceTime(RepeatController::GetInitialWaitForTesting() +
RepeatController::GetRepeatingWaitForTesting());
EXPECT_EQ(kExpectedCallbacks, times_called());
}
} // namespace views