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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [go/] [net/] [pipe_test.go] - Rev 748
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// 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"
"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 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, io.EOF)
cli.Close()
}
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