Files
JuiceFS/pkg/chunk/singleflight_test.go
2022-01-11 23:34:14 +08:00

42 lines
1014 B
Go

/*
* JuiceFS, Copyright 2020 Juicedata, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package chunk
import (
"strconv"
"sync"
"testing"
"time"
)
func TestSigleFlight(t *testing.T) {
g := &Controller{}
gp := &sync.WaitGroup{}
for i := 0; i < 100000; i++ {
gp.Add(1)
go func(k int) {
p, _ := g.Execute(strconv.Itoa(k/1000), func() (*Page, error) {
time.Sleep(time.Microsecond * 1000)
return NewOffPage(100), nil
})
p.Release()
gp.Done()
}(i)
}
gp.Wait()
}