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
|
package uuid
import (
"github.com/stretchr/testify/assert"
"sync"
"sync/atomic"
"testing"
"time"
)
func TestEpoch(t *testing.T) {
assert.True(t, gregorianToUNIXOffset == 0x01B21DD213814000)
assert.True(t, gregorianToUNIXOffset == 122192928000000000)
}
func TestNow(t *testing.T) {
assert.True(t, Now() > gregorianToUNIXOffset)
}
func TestTimestamp_Add(t *testing.T) {
now := Now()
assert.True(t, now.Add(time.Second) == now+Timestamp((time.Second/100)), "The times should be equal")
}
func TestTimestamp_String(t *testing.T) {
now := Now()
nowTime := now.Time()
assert.Equal(t, now.String(), nowTime.String(), "The time strings should be equal")
}
func TestTimestamp_Sub(t *testing.T) {
now := Now()
assert.True(t, now.Sub(time.Second) == now-Timestamp((time.Second/100)), "The times should be equal")
}
func TestTimestamp_Time(t *testing.T) {
assert.True(t, Now().Time().Location() == time.UTC)
}
func TestSpinnerNext(t *testing.T) {
size := defaultSpinResolution * 1
spin := spinner{}
spin.Resolution = defaultSpinResolution
times := make([]Timestamp, size)
for i := 0; i < size; i++ {
times[i] = spin.next()
}
for j := size - 1; j >= 0; j-- {
for k := 0; k < size; k++ {
if k == j {
continue
}
assert.NotEqual(t, "Timestamps should never be equal", times[j], times[k])
}
}
spin = spinner{
Count: defaultSpinResolution - 1,
Timestamp: Now(),
Resolution: 1024,
}
for i := 0; i < size; i++ {
times[i] = spin.next()
}
for j := size - 1; j >= 0; j-- {
for k := 0; k < size; k++ {
if k == j {
continue
}
assert.NotEqual(t, "Timestamps should never be equal", times[j], times[k])
}
}
spin = spinner{
Count: 0,
Timestamp: Now(),
Resolution: 1,
}
for i := 0; i < size; i++ {
times[i] = spin.next()
}
for j := size - 1; j >= 0; j-- {
for k := 0; k < size; k++ {
if k == j {
continue
}
assert.NotEqual(t, "Timestamps should never be equal", times[j], times[k])
}
}
waitSize := 3
spin = spinner{}
spin.Resolution = defaultSpinResolution
times = make([]Timestamp, size)
var wg sync.WaitGroup
wg.Add(waitSize)
mutex := &sync.Mutex{}
var index int32
for i := 0; i < waitSize; i++ {
go func() {
defer wg.Done()
for {
mutex.Lock()
j := atomic.LoadInt32(&index)
atomic.AddInt32(&index, 1)
if j >= int32(size) {
mutex.Unlock()
break
}
times[j] = spin.next()
mutex.Unlock()
}
}()
}
wg.Wait()
for j := size - 1; j >= 0; j-- {
for k := 0; k < size; k++ {
if k == j {
continue
}
assert.NotEqual(t, "Timestamps should never be equal", times[j], times[k])
}
}
}
|
