Source file src/runtime/race/timer_test.go
1 // Copyright 2019 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 //go:build race 6 7 package race_test 8 9 import ( 10 "sync" 11 "testing" 12 "time" 13 ) 14 15 func TestTimers(t *testing.T) { 16 const goroutines = 8 17 var wg sync.WaitGroup 18 wg.Add(goroutines) 19 var mu sync.Mutex 20 for i := 0; i < goroutines; i++ { 21 go func() { 22 defer wg.Done() 23 ticker := time.NewTicker(1) 24 defer ticker.Stop() 25 for c := 0; c < 1000; c++ { 26 <-ticker.C 27 mu.Lock() 28 mu.Unlock() 29 } 30 }() 31 } 32 wg.Wait() 33 } 34