← Back
Editing: pool_test.go
// Copyright 2016 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package race_test import ( "sync" "testing" "time" ) func TestRacePool(t *testing.T) { // Pool randomly drops the argument on the floor during Put. // Repeat so that at least one iteration gets reuse. for i := 0; i < 10; i++ { c := make(chan int) p := &sync.Pool{New: func() any { return make([]byte, 10) }} x := p.Get().([]byte) x[0] = 1 p.Put(x) go func() { y := p.Get().([]byte) y[0] = 2 c <- 1 }() x[0] = 3 <-c } } func TestNoRacePool(t *testing.T) { for i := 0; i < 10; i++ { p := &sync.Pool{New: func() any { return make([]byte, 10) }} x := p.Get().([]byte) x[0] = 1 p.Put(x) go func() { y := p.Get().([]byte) y[0] = 2 p.Put(y) }() time.Sleep(100 * time.Millisecond) x = p.Get().([]byte) x[0] = 3 } }
Save File
Cancel