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46 lines
767 B
Go
46 lines
767 B
Go
/**
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* @Author:zhoutao
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* @Date:2020/12/13 上午10:48
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* @Desc:
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*/
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package single
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import (
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"sync"
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"testing"
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)
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const parCount = 100
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func TestSingleton(t *testing.T) {
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ins1 := GetInstance()
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ins2 := GetInstance()
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if ins1 != ins2 {
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t.Fatal("instance is not equal")
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}
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}
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func TestParalleSingleton(t *testing.T) {
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start := make(chan struct{})
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wg := sync.WaitGroup{}
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wg.Add(parCount)
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instances := [parCount]*Singleton{}
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for i := 0; i < parCount; i++ {
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go func(index int) {
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//等待channel的关闭信号
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<-start
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instances[index] = GetInstance()
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wg.Done()
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}(i)
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}
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//关闭channel，发送关闭信号
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close(start)
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wg.Wait()
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for i := 1; i < parCount; i++ {
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if instances[i] != instances[i-1] {
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t.Fatal("instance is not equal")
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}
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}
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}
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