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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"
)
func TestRaceMapRW(t *testing.T) {
m := make(map[int]int)
ch := make(chan bool, 1)
go func() {
_ = m[1]
ch <- true
}()
m[1] = 1
<-ch
}
func TestRaceMapRW2(t *testing.T) {
m := make(map[int]int)
ch := make(chan bool, 1)
go func() {
_, _ = m[1]
ch <- true
}()
m[1] = 1
<-ch
}
func TestRaceMapRWArray(t *testing.T) {
// Check instrumentation of unaddressable arrays (issue 4578).
m := make(map[int][2]int)
ch := make(chan bool, 1)
go func() {
_ = m[1][1]
ch <- true
}()
m[2] = [2]int{1, 2}
<-ch
}
func TestNoRaceMapRR(t *testing.T) {
m := make(map[int]int)
ch := make(chan bool, 1)
go func() {
_, _ = m[1]
ch <- true
}()
_ = m[1]
<-ch
}
func TestRaceMapRange(t *testing.T) {
m := make(map[int]int)
ch := make(chan bool, 1)
go func() {
for _ = range m {
}
ch <- true
}()
m[1] = 1
<-ch
}
func TestRaceMapRange2(t *testing.T) {
m := make(map[int]int)
ch := make(chan bool, 1)
go func() {
for _ = range m {
}
ch <- true
}()
m[1] = 1
<-ch
}
func TestNoRaceMapRangeRange(t *testing.T) {
m := make(map[int]int)
// now the map is not empty and range triggers an event
// should work without this (as in other tests)
// so it is suspicious if this test passes and others don't
m[0] = 0
ch := make(chan bool, 1)
go func() {
for _ = range m {
}
ch <- true
}()
for _ = range m {
}
<-ch
}
func TestRaceMapLen(t *testing.T) {
m := make(map[string]bool)
ch := make(chan bool, 1)
go func() {
_ = len(m)
ch <- true
}()
m[""] = true
<-ch
}
func TestRaceMapDelete(t *testing.T) {
m := make(map[string]bool)
ch := make(chan bool, 1)
go func() {
delete(m, "")
ch <- true
}()
m[""] = true
<-ch
}
func TestRaceMapLenDelete(t *testing.T) {
m := make(map[string]bool)
ch := make(chan bool, 1)
go func() {
delete(m, "a")
ch <- true
}()
_ = len(m)
<-ch
}
func TestRaceMapVariable(t *testing.T) {
ch := make(chan bool, 1)
m := make(map[int]int)
go func() {
m = make(map[int]int)
ch <- true
}()
m = make(map[int]int)
<-ch
}
func TestRaceMapVariable2(t *testing.T) {
ch := make(chan bool, 1)
m := make(map[int]int)
go func() {
m[1] = 1
ch <- true
}()
m = make(map[int]int)
<-ch
}
func TestRaceMapVariable3(t *testing.T) {
ch := make(chan bool, 1)
m := make(map[int]int)
go func() {
_ = m[1]
ch <- true
}()
m = make(map[int]int)
<-ch
}
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