go reflect_test 源码
golang reflect_test 代码
文件路径：/src/runtime/race/testdata/reflect_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 (
"reflect"
"testing"
)
func TestRaceReflectRW(t *testing.T) {
ch := make(chan bool, 1)
i := 0
v := reflect.ValueOf(&i)
go func() {
v.Elem().Set(reflect.ValueOf(1))
ch <- true
}()
_ = v.Elem().Int()
<-ch
}
func TestRaceReflectWW(t *testing.T) {
ch := make(chan bool, 1)
i := 0
v := reflect.ValueOf(&i)
go func() {
v.Elem().Set(reflect.ValueOf(1))
ch <- true
}()
v.Elem().Set(reflect.ValueOf(2))
<-ch
}
func TestRaceReflectCopyWW(t *testing.T) {
ch := make(chan bool, 1)
a := make([]byte, 2)
v := reflect.ValueOf(a)
go func() {
reflect.Copy(v, v)
ch <- true
}()
reflect.Copy(v, v)
<-ch
}
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