libgo/go/net/conn_test.go

   1 // Copyright 2012 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 // This file implements API tests across platforms and will never have a build
   6 // tag.
   7
   8 // +build !js
   9
  10 package net
  11
  12 import (
  13         "testing"
  14         "time"
  15 )
  16
  17 // someTimeout is used just to test that net.Conn implementations
  18 // don't explode when their SetFooDeadline methods are called.
  19 // It isn't actually used for testing timeouts.
  20 const someTimeout = 10 * time.Second
  21
  22 func TestConnAndListener(t *testing.T) {
  23         for i, network := range []string{"tcp", "unix", "unixpacket"} {
  24                 if !testableNetwork(network) {
  25                         t.Logf("skipping %s test", network)
  26                         continue
  27                 }
  28
  29                 ls, err := newLocalServer(network)
  30                 if err != nil {
  31                         t.Fatal(err)
  32                 }
  33                 defer ls.teardown()
  34                 ch := make(chan error, 1)
  35                 handler := func(ls *localServer, ln Listener) { transponder(ln, ch) }
  36                 if err := ls.buildup(handler); err != nil {
  37                         t.Fatal(err)
  38                 }
  39                 if ls.Listener.Addr().Network() != network {
  40                         t.Fatalf("got %s; want %s", ls.Listener.Addr().Network(), network)
  41                 }
  42
  43                 c, err := Dial(ls.Listener.Addr().Network(), ls.Listener.Addr().String())
  44                 if err != nil {
  45                         t.Fatal(err)
  46                 }
  47                 defer c.Close()
  48                 if c.LocalAddr().Network() != network || c.RemoteAddr().Network() != network {
  49                         t.Fatalf("got %s->%s; want %s->%s", c.LocalAddr().Network(), c.RemoteAddr().Network(), network, network)
  50                 }
  51                 c.SetDeadline(time.Now().Add(someTimeout))
  52                 c.SetReadDeadline(time.Now().Add(someTimeout))
  53                 c.SetWriteDeadline(time.Now().Add(someTimeout))
  54
  55                 if _, err := c.Write([]byte("CONN AND LISTENER TEST")); err != nil {
  56                         t.Fatal(err)
  57                 }
  58                 rb := make([]byte, 128)
  59                 if _, err := c.Read(rb); err != nil {
  60                         t.Fatal(err)
  61                 }
  62
  63                 for err := range ch {
  64                         t.Errorf("#%d: %v", i, err)
  65                 }
  66         }
  67 }