Subversion Repositories openrisc

// 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()

}