Files

39 lines
709 B
Go

package common
import (
"bytes"
"crypto/rand"
"testing"
"github.com/v2fly/v2ray-core/v4/common"
)
func TestBufferedReader(t *testing.T) {
payload := [1024]byte{}
rand.Reader.Read(payload[:])
rawReader := bytes.NewBuffer(payload[:])
r := RewindReader{
rawReader: rawReader,
}
r.SetBufferSize(2048)
buf1 := make([]byte, 512)
buf2 := make([]byte, 512)
common.Must2(r.Read(buf1))
r.Rewind()
common.Must2(r.Read(buf2))
if !bytes.Equal(buf1, buf2) {
t.Fail()
}
buf3 := make([]byte, 512)
common.Must2(r.Read(buf3))
if !bytes.Equal(buf3, payload[512:]) {
t.Fail()
}
r.Rewind()
buf4 := make([]byte, 1024)
common.Must2(r.Read(buf4))
if !bytes.Equal(payload[:], buf4) {
t.Fail()
}
}