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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 func() string
}{
{"tcp", func() string { return "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", "unixpacket":
switch runtime.GOOS {
case "plan9", "windows":
continue
}
if tt.net == "unixpacket" && runtime.GOOS != "linux" {
continue
}
}
addr := tt.addr()
ln, err := Listen(tt.net, 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, addr)
ln.Addr()
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()
c.LocalAddr()
c.RemoteAddr()
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()
c.LocalAddr()
c.RemoteAddr()
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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