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
150
151
|
package utils
import (
"testing"
"time"
"github.com/stretchr/testify/require"
)
const testDuration = 10 * time.Millisecond
func TestTimerCreateAndReset(t *testing.T) {
timer := NewTimer()
select {
case <-timer.Chan():
t.Fatal("timer should not have fired")
default:
}
deadline := time.Now().Add(testDuration)
timer.Reset(deadline)
require.Equal(t, deadline, timer.Deadline())
select {
case <-timer.Chan():
case <-time.After(2 * testDuration):
t.Fatal("timer should have fired")
}
timer.SetRead()
timer.Reset(time.Now().Add(testDuration))
select {
case <-timer.Chan():
case <-time.After(2 * testDuration):
t.Fatal("timer should have fired")
}
}
func TestTimerMultipleResets(t *testing.T) {
timer := NewTimer()
for i := 0; i < 10; i++ {
timer.Reset(time.Now().Add(testDuration))
if i%2 == 0 {
select {
case <-timer.Chan():
case <-time.After(2 * testDuration):
t.Fatal("timer should have fired")
}
timer.SetRead()
} else {
time.Sleep(testDuration * 2)
}
}
select {
case <-timer.Chan():
case <-time.After(2 * testDuration):
t.Fatal("timer should have fired")
}
}
func TestTimerResetWithoutExpiration(t *testing.T) {
timer := NewTimer()
for i := 0; i < 10; i++ {
timer.Reset(time.Now().Add(time.Hour))
}
timer.Reset(time.Now().Add(testDuration))
select {
case <-timer.Chan():
case <-time.After(2 * testDuration):
t.Fatal("timer should have fired")
}
}
func TestTimerPastDeadline(t *testing.T) {
timer := NewTimer()
timer.Reset(time.Now().Add(-time.Second))
select {
case <-timer.Chan():
case <-time.After(testDuration):
t.Fatal("timer should have fired immediately")
}
}
func TestTimerZeroDeadline(t *testing.T) {
timer := NewTimer()
timer.Reset(time.Time{})
// we don't expect the timer to be set for a zero deadline
select {
case <-timer.Chan():
t.Fatal("timer should not have fired")
case <-time.After(testDuration):
}
}
func TestTimerSameDeadline(t *testing.T) {
t.Run("timer read in between", func(t *testing.T) {
deadline := time.Now().Add(-time.Millisecond)
timer := NewTimer()
timer.Reset(deadline)
select {
case <-timer.Chan():
case <-time.After(testDuration):
t.Fatal("timer should have fired")
}
timer.SetRead()
timer.Reset(deadline)
select {
case <-timer.Chan():
case <-time.After(testDuration):
t.Fatal("timer should have fired")
}
})
t.Run("timer not read in between", func(t *testing.T) {
deadline := time.Now().Add(-time.Millisecond)
timer := NewTimer()
timer.Reset(deadline)
select {
case <-timer.Chan():
case <-time.After(testDuration):
t.Fatal("timer should have fired")
}
select {
case <-timer.Chan():
t.Fatal("timer should not have fired again")
case <-time.After(testDuration):
}
})
}
func TestTimerStopping(t *testing.T) {
timer := NewTimer()
timer.Reset(time.Now().Add(testDuration))
timer.Stop()
select {
case <-timer.Chan():
t.Fatal("timer should not have fired")
case <-time.After(2 * testDuration):
}
}
|
