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 should never have a build
6// constraint.
7
8package net
9
10import (
11	"testing"
12	"time"
13)
14
15// someTimeout is used just to test that net.Conn implementations
16// don't explode when their SetFooDeadline methods are called.
17// It isn't actually used for testing timeouts.
18const someTimeout = 1 * time.Hour
19
20func TestConnAndListener(t *testing.T) {
21	for i, network := range []string{"tcp", "unix", "unixpacket"} {
22		i, network := i, network
23		t.Run(network, func(t *testing.T) {
24			if !testableNetwork(network) {
25				t.Skipf("skipping %s test", network)
26			}
27
28			ls := newLocalServer(t, network)
29			defer ls.teardown()
30			ch := make(chan error, 1)
31			handler := func(ls *localServer, ln Listener) { ls.transponder(ln, ch) }
32			if err := ls.buildup(handler); err != nil {
33				t.Fatal(err)
34			}
35			if ls.Listener.Addr().Network() != network {
36				t.Fatalf("got %s; want %s", ls.Listener.Addr().Network(), network)
37			}
38
39			c, err := Dial(ls.Listener.Addr().Network(), ls.Listener.Addr().String())
40			if err != nil {
41				t.Fatal(err)
42			}
43			defer c.Close()
44			if c.LocalAddr().Network() != network || c.RemoteAddr().Network() != network {
45				t.Fatalf("got %s->%s; want %s->%s", c.LocalAddr().Network(), c.RemoteAddr().Network(), network, network)
46			}
47			c.SetDeadline(time.Now().Add(someTimeout))
48			c.SetReadDeadline(time.Now().Add(someTimeout))
49			c.SetWriteDeadline(time.Now().Add(someTimeout))
50
51			if _, err := c.Write([]byte("CONN AND LISTENER TEST")); err != nil {
52				t.Fatal(err)
53			}
54			rb := make([]byte, 128)
55			if _, err := c.Read(rb); err != nil {
56				t.Fatal(err)
57			}
58
59			for err := range ch {
60				t.Errorf("#%d: %v", i, err)
61			}
62		})
63	}
64}
65