package buf_test import ( "bytes" "io" "strings" "testing" "github.com/v2fly/v2ray-core/v5/common" . "github.com/v2fly/v2ray-core/v5/common/buf" "github.com/v2fly/v2ray-core/v5/transport/pipe" ) func TestBytesReaderWriteTo(t *testing.T) { pReader, pWriter := pipe.New(pipe.WithSizeLimit(1024)) reader := &BufferedReader{Reader: pReader} b1 := New() b1.WriteString("abc") b2 := New() b2.WriteString("efg") common.Must(pWriter.WriteMultiBuffer(MultiBuffer{b1, b2})) pWriter.Close() pReader2, pWriter2 := pipe.New(pipe.WithSizeLimit(1024)) writer := NewBufferedWriter(pWriter2) writer.SetBuffered(false) nBytes, err := io.Copy(writer, reader) common.Must(err) if nBytes != 6 { t.Error("copy: ", nBytes) } mb, err := pReader2.ReadMultiBuffer() common.Must(err) if s := mb.String(); s != "abcefg" { t.Error("content: ", s) } } func TestBytesReaderMultiBuffer(t *testing.T) { pReader, pWriter := pipe.New(pipe.WithSizeLimit(1024)) reader := &BufferedReader{Reader: pReader} b1 := New() b1.WriteString("abc") b2 := New() b2.WriteString("efg") common.Must(pWriter.WriteMultiBuffer(MultiBuffer{b1, b2})) pWriter.Close() mbReader := NewReader(reader) mb, err := mbReader.ReadMultiBuffer() common.Must(err) if s := mb.String(); s != "abcefg" { t.Error("content: ", s) } } 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") } if reader.BufferedBytes() != 3 { // 3 bytes left in buffer t.Error("unexpected buffered Bytes: ", reader.BufferedBytes()) } nBytes, err := reader.WriteTo(DiscardBytes) common.Must(err) if nBytes != 3 { t.Error("unexpect bytes written: ", nBytes) } } func TestReadBuffer(t *testing.T) { { sr := strings.NewReader("abcd") buf, err := ReadBuffer(sr) common.Must(err) if s := buf.String(); s != "abcd" { t.Error("unexpected str: ", s, " want abcd") } buf.Release() } } func TestReadAtMost(t *testing.T) { sr := strings.NewReader("abcd") reader := &BufferedReader{ Reader: NewReader(sr), } mb, err := reader.ReadAtMost(3) common.Must(err) if s := mb.String(); s != "abc" { t.Error("unexpected read result: ", s) } nBytes, err := reader.WriteTo(DiscardBytes) common.Must(err) if nBytes != 1 { t.Error("unexpect bytes written: ", nBytes) } } func TestPacketReader_ReadMultiBuffer(t *testing.T) { const alpha = "abcefg" buf := bytes.NewBufferString(alpha) reader := &PacketReader{buf} mb, err := reader.ReadMultiBuffer() common.Must(err) if s := mb.String(); s != alpha { t.Error("content: ", s) } } 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)) }