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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.
// This file implements API tests across platforms and will never have a build
// tag.
package net
import (
"os"
"runtime"
"testing"
"time"
)
var connTests = []struct {
net string
addr string
}{
{"tcp", "127.0.0.1:0"},
{"unix", testUnixAddr()},
{"unixpacket", testUnixAddr()},
}
// someTimeout is used just to test that net.Conn implementations
// don't explode when their SetFooDeadline methods are called.
// It isn't actually used for testing timeouts.
const someTimeout = 10 * time.Second
func TestConnAndListener(t *testing.T) {
for _, tt := range connTests {
switch tt.net {
case "unix":
switch runtime.GOOS {
case "nacl", "plan9", "windows":
continue
}
case "unixpacket":
switch runtime.GOOS {
case "darwin", "nacl", "openbsd", "plan9", "windows":
continue
case "freebsd": // FreeBSD 8 doesn't support unixpacket
continue
}
}
ln, err := Listen(tt.net, tt.addr)
if err != nil {
t.Fatalf("Listen failed: %v", err)
}
defer func(ln Listener, net, addr string) {
ln.Close()
switch net {
case "unix", "unixpacket":
os.Remove(addr)
}
}(ln, tt.net, tt.addr)
if ln.Addr().Network() != tt.net {
t.Fatalf("got %v; expected %v", ln.Addr().Network(), tt.net)
}
done := make(chan int)
go transponder(t, ln, done)
c, err := Dial(tt.net, ln.Addr().String())
if err != nil {
t.Fatalf("Dial failed: %v", err)
}
defer c.Close()
if c.LocalAddr().Network() != tt.net || c.LocalAddr().Network() != tt.net {
t.Fatalf("got %v->%v; expected %v->%v", c.LocalAddr().Network(), c.RemoteAddr().Network(), tt.net, tt.net)
}
c.SetDeadline(time.Now().Add(someTimeout))
c.SetReadDeadline(time.Now().Add(someTimeout))
c.SetWriteDeadline(time.Now().Add(someTimeout))
if _, err := c.Write([]byte("CONN TEST")); err != nil {
t.Fatalf("Conn.Write failed: %v", err)
}
rb := make([]byte, 128)
if _, err := c.Read(rb); err != nil {
t.Fatalf("Conn.Read failed: %v", err)
}
<-done
}
}
func transponder(t *testing.T, ln Listener, done chan<- int) {
defer func() { done <- 1 }()
switch ln := ln.(type) {
case *TCPListener:
ln.SetDeadline(time.Now().Add(someTimeout))
case *UnixListener:
ln.SetDeadline(time.Now().Add(someTimeout))
}
c, err := ln.Accept()
if err != nil {
t.Errorf("Listener.Accept failed: %v", err)
return
}
defer c.Close()
network := ln.Addr().Network()
if c.LocalAddr().Network() != network || c.LocalAddr().Network() != network {
t.Errorf("got %v->%v; expected %v->%v", c.LocalAddr().Network(), c.RemoteAddr().Network(), network, network)
return
}
c.SetDeadline(time.Now().Add(someTimeout))
c.SetReadDeadline(time.Now().Add(someTimeout))
c.SetWriteDeadline(time.Now().Add(someTimeout))
b := make([]byte, 128)
n, err := c.Read(b)
if err != nil {
t.Errorf("Conn.Read failed: %v", err)
return
}
if _, err := c.Write(b[:n]); err != nil {
t.Errorf("Conn.Write failed: %v", err)
return
}
}
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