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// Copyright 2012 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_test
import (
"net"
"os"
"runtime"
"testing"
"time"
)
var connTests = []struct {
net string
addr string
}{
{"tcp", "127.0.0.1:0"},
{"unix", "/tmp/gotest.net1"},
{"unixpacket", "/tmp/gotest.net2"},
}
func TestConnAndListener(t *testing.T) {
for _, tt := range connTests {
switch tt.net {
case "unix", "unixpacket":
switch runtime.GOOS {
case "plan9", "windows":
continue
}
if tt.net == "unixpacket" && runtime.GOOS != "linux" {
continue
}
os.Remove(tt.addr)
}
ln, err := net.Listen(tt.net, tt.addr)
if err != nil {
t.Errorf("net.Listen failed: %v", err)
return
}
ln.Addr()
defer func(ln net.Listener, net, addr string) {
ln.Close()
switch net {
case "unix", "unixpacket":
os.Remove(addr)
}
}(ln, tt.net, tt.addr)
done := make(chan int)
go transponder(t, ln, done)
c, err := net.Dial(tt.net, ln.Addr().String())
if err != nil {
t.Errorf("net.Dial failed: %v", err)
return
}
c.LocalAddr()
c.RemoteAddr()
c.SetDeadline(time.Now().Add(100 * time.Millisecond))
c.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
c.SetWriteDeadline(time.Now().Add(100 * time.Millisecond))
defer c.Close()
if _, err := c.Write([]byte("CONN TEST")); err != nil {
t.Errorf("net.Conn.Write failed: %v", err)
return
}
rb := make([]byte, 128)
if _, err := c.Read(rb); err != nil {
t.Errorf("net.Conn.Read failed: %v", err)
}
<-done
}
}
func transponder(t *testing.T, ln net.Listener, done chan<- int) {
defer func() { done <- 1 }()
c, err := ln.Accept()
if err != nil {
t.Errorf("net.Listener.Accept failed: %v", err)
return
}
c.LocalAddr()
c.RemoteAddr()
c.SetDeadline(time.Now().Add(100 * time.Millisecond))
c.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
c.SetWriteDeadline(time.Now().Add(100 * time.Millisecond))
defer c.Close()
b := make([]byte, 128)
n, err := c.Read(b)
if err != nil {
t.Errorf("net.Conn.Read failed: %v", err)
return
}
if _, err := c.Write(b[:n]); err != nil {
t.Errorf("net.Conn.Write failed: %v", err)
return
}
}
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