/pkg/net/pipe_test.go
http://golang-china.googlecode.com/ · Go · 57 lines · 45 code · 6 blank · 6 comment · 13 complexity · a0f2d9edff2a529d103f08ee4ad0a488 MD5 · raw file
- // Copyright 2010 The Go Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style
- // license that can be found in the LICENSE file.
- package net
- import (
- "bytes"
- "io"
- "os"
- "testing"
- )
- func checkWrite(t *testing.T, w io.Writer, data []byte, c chan int) {
- n, err := w.Write(data)
- if err != nil {
- t.Errorf("write: %v", err)
- }
- if n != len(data) {
- t.Errorf("short write: %d != %d", n, len(data))
- }
- c <- 0
- }
- func checkRead(t *testing.T, r io.Reader, data []byte, wantErr os.Error) {
- buf := make([]byte, len(data)+10)
- n, err := r.Read(buf)
- if err != wantErr {
- t.Errorf("read: %v", err)
- return
- }
- if n != len(data) || !bytes.Equal(buf[0:n], data) {
- t.Errorf("bad read: got %q", buf[0:n])
- return
- }
- }
- // Test a simple read/write/close sequence.
- // Assumes that the underlying io.Pipe implementation
- // is solid and we're just testing the net wrapping.
- func TestPipe(t *testing.T) {
- c := make(chan int)
- cli, srv := Pipe()
- go checkWrite(t, cli, []byte("hello, world"), c)
- checkRead(t, srv, []byte("hello, world"), nil)
- <-c
- go checkWrite(t, srv, []byte("line 2"), c)
- checkRead(t, cli, []byte("line 2"), nil)
- <-c
- go checkWrite(t, cli, []byte("a third line"), c)
- checkRead(t, srv, []byte("a third line"), nil)
- <-c
- go srv.Close()
- checkRead(t, cli, nil, os.EOF)
- cli.Close()
- }