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
|
// Copyright (c) 2012 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 "net/quic/quic_connection_helper.h"
#include "net/quic/test_tools/mock_clock.h"
#include "net/quic/test_tools/mock_random.h"
#include "net/quic/test_tools/test_task_runner.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace test {
namespace {
class TestDelegate : public QuicAlarm::Delegate {
public:
TestDelegate() : fired_(false) {}
virtual QuicTime OnAlarm() OVERRIDE {
fired_ = true;
return QuicTime::Zero();
}
bool fired() const { return fired_; }
void Clear() { fired_= false; }
private:
bool fired_;
};
class QuicConnectionHelperTest : public ::testing::Test {
protected:
QuicConnectionHelperTest()
: runner_(new TestTaskRunner(&clock_)),
helper_(runner_.get(), &clock_, &random_generator_) {
}
scoped_refptr<TestTaskRunner> runner_;
QuicConnectionHelper helper_;
MockClock clock_;
MockRandom random_generator_;
};
TEST_F(QuicConnectionHelperTest, GetClock) {
EXPECT_EQ(&clock_, helper_.GetClock());
}
TEST_F(QuicConnectionHelperTest, GetRandomGenerator) {
EXPECT_EQ(&random_generator_, helper_.GetRandomGenerator());
}
TEST_F(QuicConnectionHelperTest, CreateAlarm) {
TestDelegate* delegate = new TestDelegate();
scoped_ptr<QuicAlarm> alarm(helper_.CreateAlarm(delegate));
QuicTime::Delta delta = QuicTime::Delta::FromMicroseconds(1);
alarm->Set(clock_.Now().Add(delta));
// Verify that the alarm task has been posted.
ASSERT_EQ(1u, runner_->GetPostedTasks().size());
EXPECT_EQ(base::TimeDelta::FromMicroseconds(delta.ToMicroseconds()),
runner_->GetPostedTasks()[0].delay);
runner_->RunNextTask();
EXPECT_EQ(QuicTime::Zero().Add(delta), clock_.Now());
EXPECT_TRUE(delegate->fired());
}
TEST_F(QuicConnectionHelperTest, CreateAlarmAndCancel) {
TestDelegate* delegate = new TestDelegate();
scoped_ptr<QuicAlarm> alarm(helper_.CreateAlarm(delegate));
QuicTime::Delta delta = QuicTime::Delta::FromMicroseconds(1);
alarm->Set(clock_.Now().Add(delta));
alarm->Cancel();
// The alarm task should still be posted.
ASSERT_EQ(1u, runner_->GetPostedTasks().size());
EXPECT_EQ(base::TimeDelta::FromMicroseconds(delta.ToMicroseconds()),
runner_->GetPostedTasks()[0].delay);
runner_->RunNextTask();
EXPECT_EQ(QuicTime::Zero().Add(delta), clock_.Now());
EXPECT_FALSE(delegate->fired());
}
TEST_F(QuicConnectionHelperTest, CreateAlarmAndReset) {
TestDelegate* delegate = new TestDelegate();
scoped_ptr<QuicAlarm> alarm(helper_.CreateAlarm(delegate));
QuicTime::Delta delta = QuicTime::Delta::FromMicroseconds(1);
alarm->Set(clock_.Now().Add(delta));
alarm->Cancel();
QuicTime::Delta new_delta = QuicTime::Delta::FromMicroseconds(3);
alarm->Set(clock_.Now().Add(new_delta));
// The alarm task should still be posted.
ASSERT_EQ(1u, runner_->GetPostedTasks().size());
EXPECT_EQ(base::TimeDelta::FromMicroseconds(delta.ToMicroseconds()),
runner_->GetPostedTasks()[0].delay);
runner_->RunNextTask();
EXPECT_EQ(QuicTime::Zero().Add(delta), clock_.Now());
EXPECT_FALSE(delegate->fired());
// The alarm task should be posted again.
ASSERT_EQ(1u, runner_->GetPostedTasks().size());
runner_->RunNextTask();
EXPECT_EQ(QuicTime::Zero().Add(new_delta), clock_.Now());
EXPECT_TRUE(delegate->fired());
}
TEST_F(QuicConnectionHelperTest, CreateAlarmAndResetEarlier) {
TestDelegate* delegate = new TestDelegate();
scoped_ptr<QuicAlarm> alarm(helper_.CreateAlarm(delegate));
QuicTime::Delta delta = QuicTime::Delta::FromMicroseconds(3);
alarm->Set(clock_.Now().Add(delta));
alarm->Cancel();
QuicTime::Delta new_delta = QuicTime::Delta::FromMicroseconds(1);
alarm->Set(clock_.Now().Add(new_delta));
// Both alarm tasks will be posted.
ASSERT_EQ(2u, runner_->GetPostedTasks().size());
// The earlier task will execute and will fire the alarm->
runner_->RunNextTask();
EXPECT_EQ(QuicTime::Zero().Add(new_delta), clock_.Now());
EXPECT_TRUE(delegate->fired());
delegate->Clear();
// The latter task is still posted.
ASSERT_EQ(1u, runner_->GetPostedTasks().size());
// When the latter task is executed, the weak ptr will be invalid and
// the alarm will not fire.
runner_->RunNextTask();
EXPECT_EQ(QuicTime::Zero().Add(delta), clock_.Now());
EXPECT_FALSE(delegate->fired());
}
} // namespace
} // namespace test
} // namespace net
|
