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							- package lock
 
- import (
 
- 	"fmt"
 
- 	"sync"
 
- 	"testing"
 
- )
 
- func TestHighGranularityLock(t *testing.T) {
 
- 	l := NewGranularityLock()
 
- 	data := []int{}
 
- 	add := func(key int) {
 
- 		l.Lock(fmt.Sprintf("%d", key))
 
- 		data[key]++
 
- 		l.Unlock(fmt.Sprintf("%d", key))
 
- 	}
 
- 	for i := 0; i < 1000; i++ {
 
- 		data = append(data, 0)
 
- 	}
 
- 	wg := sync.WaitGroup{}
 
- 	for i := 0; i < 1000; i++ {
 
- 		wg.Add(1)
 
- 		go func() {
 
- 			for j := 0; j < 1000; j++ {
 
- 				add(j)
 
- 			}
 
- 			wg.Done()
 
- 		}()
 
- 	}
 
- 	wg.Wait()
 
- 	for _, v := range data {
 
- 		if v != 1000 {
 
- 			t.Fatal("data not equal")
 
- 		}
 
- 	}
 
- }
 
 
  |