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// Copyright 2012 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 (
"testing"
)
type P struct {
x, y int
}
type S struct {
s1, s2 P
}
func TestNoRaceComp(t *testing.T) {
c := make(chan bool, 1)
var s S
go func() {
s.s2.x = 1
c <- true
}()
s.s2.y = 2
<-c
}
func TestNoRaceComp2(t *testing.T) {
c := make(chan bool, 1)
var s S
go func() {
s.s1.x = 1
c <- true
}()
s.s1.y = 2
<-c
}
func TestRaceComp(t *testing.T) {
c := make(chan bool, 1)
var s S
go func() {
s.s2.y = 1
c <- true
}()
s.s2.y = 2
<-c
}
func TestRaceComp2(t *testing.T) {
c := make(chan bool, 1)
var s S
go func() {
s.s1.x = 1
c <- true
}()
s = S{}
<-c
}
func TestRaceComp3(t *testing.T) {
c := make(chan bool, 1)
var s S
go func() {
s.s2.y = 1
c <- true
}()
s = S{}
<-c
}
func TestRaceCompArray(t *testing.T) {
c := make(chan bool, 1)
s := make([]S, 10)
x := 4
go func() {
s[x].s2.y = 1
c <- true
}()
x = 5
<-c
}
type P2 P
type S2 S
func TestRaceConv1(t *testing.T) {
c := make(chan bool, 1)
var p P2
go func() {
p.x = 1
c <- true
}()
_ = P(p).x
<-c
}
func TestRaceConv2(t *testing.T) {
c := make(chan bool, 1)
var p P2
go func() {
p.x = 1
c <- true
}()
ptr := &p
_ = P(*ptr).x
<-c
}
func TestRaceConv3(t *testing.T) {
c := make(chan bool, 1)
var s S2
go func() {
s.s1.x = 1
c <- true
}()
_ = P2(S(s).s1).x
<-c
}
type X struct {
V [4]P
}
type X2 X
func TestRaceConv4(t *testing.T) {
c := make(chan bool, 1)
var x X2
go func() {
x.V[1].x = 1
c <- true
}()
_ = P2(X(x).V[1]).x
<-c
}
type Ptr struct {
s1, s2 *P
}
func TestNoRaceCompPtr(t *testing.T) {
c := make(chan bool, 1)
p := Ptr{&P{}, &P{}}
go func() {
p.s1.x = 1
c <- true
}()
p.s1.y = 2
<-c
}
func TestNoRaceCompPtr2(t *testing.T) {
c := make(chan bool, 1)
p := Ptr{&P{}, &P{}}
go func() {
p.s1.x = 1
c <- true
}()
_ = p
<-c
}
func TestRaceCompPtr(t *testing.T) {
c := make(chan bool, 1)
p := Ptr{&P{}, &P{}}
go func() {
p.s2.x = 1
c <- true
}()
p.s2.x = 2
<-c
}
func TestRaceCompPtr2(t *testing.T) {
c := make(chan bool, 1)
p := Ptr{&P{}, &P{}}
go func() {
p.s2.x = 1
c <- true
}()
p.s2 = &P{}
<-c
}