v2ray-core/common/buf/reader_test.go

88 lines
2.0 KiB
Go

package buf_test
import (
"io"
"strings"
"testing"
"v2ray.com/core/common"
. "v2ray.com/core/common/buf"
"v2ray.com/core/transport/pipe"
. "v2ray.com/ext/assert"
)
func TestBytesReaderWriteTo(t *testing.T) {
assert := With(t)
pReader, pWriter := pipe.New(pipe.WithSizeLimit(1024))
reader := &BufferedReader{Reader: pReader}
b1 := New()
b1.WriteString("abc")
b2 := New()
b2.WriteString("efg")
assert(pWriter.WriteMultiBuffer(MultiBuffer{b1, b2}), IsNil)
pWriter.Close()
pReader2, pWriter2 := pipe.New(pipe.WithSizeLimit(1024))
writer := NewBufferedWriter(pWriter2)
writer.SetBuffered(false)
nBytes, err := io.Copy(writer, reader)
assert(err, IsNil)
assert(nBytes, Equals, int64(6))
mb, err := pReader2.ReadMultiBuffer()
assert(err, IsNil)
assert(len(mb), Equals, 2)
assert(mb[0].String(), Equals, "abc")
assert(mb[1].String(), Equals, "efg")
}
func TestBytesReaderMultiBuffer(t *testing.T) {
assert := With(t)
pReader, pWriter := pipe.New(pipe.WithSizeLimit(1024))
reader := &BufferedReader{Reader: pReader}
b1 := New()
b1.WriteString("abc")
b2 := New()
b2.WriteString("efg")
assert(pWriter.WriteMultiBuffer(MultiBuffer{b1, b2}), IsNil)
pWriter.Close()
mbReader := NewReader(reader)
mb, err := mbReader.ReadMultiBuffer()
assert(err, IsNil)
assert(len(mb), Equals, 2)
assert(mb[0].String(), Equals, "abc")
assert(mb[1].String(), Equals, "efg")
}
func TestReadByte(t *testing.T) {
sr := strings.NewReader("abcd")
reader := &BufferedReader{
Reader: NewReader(sr),
}
b, err := reader.ReadByte()
common.Must(err)
if b != 'a' {
t.Error("unexpected byte: ", b, " want a")
}
nBytes, err := reader.WriteTo(DiscardBytes)
common.Must(err)
if nBytes != 3 {
t.Error("unexpect bytes written: ", nBytes)
}
}
func TestReaderInterface(t *testing.T) {
_ = (io.Reader)(new(ReadVReader))
_ = (Reader)(new(ReadVReader))
_ = (Reader)(new(BufferedReader))
_ = (io.Reader)(new(BufferedReader))
_ = (io.ByteReader)(new(BufferedReader))
_ = (io.WriterTo)(new(BufferedReader))
}