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