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// +build race
package liner
import (
"io/ioutil"
"os"
"sync"
"testing"
)
func TestWriteHistory(t *testing.T) {
oldout := os.Stdout
defer func() { os.Stdout = oldout }()
oldin := os.Stdout
defer func() { os.Stdin = oldin }()
newinr, newinw, err := os.Pipe()
if err != nil {
t.Fatal(err)
}
os.Stdin = newinr
newoutr, newoutw, err := os.Pipe()
if err != nil {
t.Fatal(err)
}
defer newoutr.Close()
os.Stdout = newoutw
var wait sync.WaitGroup
wait.Add(1)
s := NewLiner()
go func() {
s.AppendHistory("foo")
s.AppendHistory("bar")
s.Prompt("")
wait.Done()
}()
s.WriteHistory(ioutil.Discard)
newinw.Close()
wait.Wait()
}
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