mirror of https://github.com/v2ray/v2ray-core
133 lines
2.9 KiB
Go
133 lines
2.9 KiB
Go
package buf_test
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import (
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"bytes"
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"io"
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"strings"
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"testing"
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"v2ray.com/core/common"
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. "v2ray.com/core/common/buf"
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"v2ray.com/core/transport/pipe"
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)
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func TestBytesReaderWriteTo(t *testing.T) {
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pReader, pWriter := pipe.New(pipe.WithSizeLimit(1024))
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reader := &BufferedReader{Reader: pReader}
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b1 := New()
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b1.WriteString("abc")
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b2 := New()
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b2.WriteString("efg")
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common.Must(pWriter.WriteMultiBuffer(MultiBuffer{b1, b2}))
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pWriter.Close()
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pReader2, pWriter2 := pipe.New(pipe.WithSizeLimit(1024))
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writer := NewBufferedWriter(pWriter2)
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writer.SetBuffered(false)
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nBytes, err := io.Copy(writer, reader)
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common.Must(err)
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if nBytes != 6 {
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t.Error("copy: ", nBytes)
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}
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mb, err := pReader2.ReadMultiBuffer()
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common.Must(err)
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if s := mb.String(); s != "abcefg" {
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t.Error("content: ", s)
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}
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}
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func TestBytesReaderMultiBuffer(t *testing.T) {
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pReader, pWriter := pipe.New(pipe.WithSizeLimit(1024))
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reader := &BufferedReader{Reader: pReader}
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b1 := New()
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b1.WriteString("abc")
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b2 := New()
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b2.WriteString("efg")
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common.Must(pWriter.WriteMultiBuffer(MultiBuffer{b1, b2}))
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pWriter.Close()
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mbReader := NewReader(reader)
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mb, err := mbReader.ReadMultiBuffer()
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common.Must(err)
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if s := mb.String(); s != "abcefg" {
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t.Error("content: ", s)
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}
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}
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func TestReadByte(t *testing.T) {
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sr := strings.NewReader("abcd")
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reader := &BufferedReader{
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Reader: NewReader(sr),
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}
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b, err := reader.ReadByte()
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common.Must(err)
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if b != 'a' {
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t.Error("unexpected byte: ", b, " want a")
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}
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if reader.BufferedBytes() != 3 { // 3 bytes left in buffer
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t.Error("unexpected buffered Bytes: ", reader.BufferedBytes())
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}
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nBytes, err := reader.WriteTo(DiscardBytes)
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common.Must(err)
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if nBytes != 3 {
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t.Error("unexpect bytes written: ", nBytes)
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}
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}
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func TestReadBuffer(t *testing.T) {
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{
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sr := strings.NewReader("abcd")
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buf, err := ReadBuffer(sr)
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common.Must(err)
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if s := buf.String(); s != "abcd" {
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t.Error("unexpected str: ", s, " want abcd")
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}
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buf.Release()
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}
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}
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func TestReadAtMost(t *testing.T) {
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sr := strings.NewReader("abcd")
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reader := &BufferedReader{
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Reader: NewReader(sr),
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}
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mb, err := reader.ReadAtMost(3)
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common.Must(err)
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if s := mb.String(); s != "abc" {
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t.Error("unexpected read result: ", s)
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}
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nBytes, err := reader.WriteTo(DiscardBytes)
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common.Must(err)
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if nBytes != 1 {
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t.Error("unexpect bytes written: ", nBytes)
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}
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}
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func TestPacketReader_ReadMultiBuffer(t *testing.T) {
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const alpha = "abcefg"
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buf := bytes.NewBufferString(alpha)
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reader := &PacketReader{buf}
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mb, err := reader.ReadMultiBuffer()
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common.Must(err)
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if s := mb.String(); s != alpha {
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t.Error("content: ", s)
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}
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}
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func TestReaderInterface(t *testing.T) {
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_ = (io.Reader)(new(ReadVReader))
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_ = (Reader)(new(ReadVReader))
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_ = (Reader)(new(BufferedReader))
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_ = (io.Reader)(new(BufferedReader))
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_ = (io.ByteReader)(new(BufferedReader))
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_ = (io.WriterTo)(new(BufferedReader))
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}
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