// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package race_test
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import (
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"runtime"
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"sync"
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"testing"
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"time"
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)
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func TestNoRaceFin(t *testing.T) {
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c := make(chan bool)
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go func() {
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x := new(string)
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runtime.SetFinalizer(x, func(x *string) {
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*x = "foo"
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})
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*x = "bar"
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c <- true
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}()
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<-c
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runtime.GC()
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time.Sleep(100 * time.Millisecond)
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}
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var finVar struct {
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sync.Mutex
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cnt int
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}
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func TestNoRaceFinGlobal(t *testing.T) {
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c := make(chan bool)
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go func() {
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x := new(string)
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runtime.SetFinalizer(x, func(x *string) {
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finVar.Lock()
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finVar.cnt++
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finVar.Unlock()
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})
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c <- true
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}()
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<-c
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runtime.GC()
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time.Sleep(100 * time.Millisecond)
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finVar.Lock()
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finVar.cnt++
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finVar.Unlock()
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}
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func TestRaceFin(t *testing.T) {
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c := make(chan bool)
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y := 0
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_ = y
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go func() {
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x := new(string)
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runtime.SetFinalizer(x, func(x *string) {
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y = 42
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})
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c <- true
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}()
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<-c
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runtime.GC()
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time.Sleep(100 * time.Millisecond)
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y = 66
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}
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