github.com/mdempsky/go@v0.0.0-20151201204031-5dd372bd1e70/src/net/conn_test.go (about)

     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  package net
     9  
    10  import (
    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.
    18  const someTimeout = 10 * time.Second
    19  
    20  func TestConnAndListener(t *testing.T) {
    21  	for i, network := range []string{"tcp", "unix", "unixpacket"} {
    22  		if !testableNetwork(network) {
    23  			t.Logf("skipping %s test", network)
    24  			continue
    25  		}
    26  
    27  		ls, err := newLocalServer(network)
    28  		if err != nil {
    29  			t.Fatal(err)
    30  		}
    31  		defer ls.teardown()
    32  		ch := make(chan error, 1)
    33  		handler := func(ls *localServer, ln Listener) { transponder(ln, ch) }
    34  		if err := ls.buildup(handler); err != nil {
    35  			t.Fatal(err)
    36  		}
    37  		if ls.Listener.Addr().Network() != network {
    38  			t.Fatalf("got %s; want %s", ls.Listener.Addr().Network(), network)
    39  		}
    40  
    41  		c, err := Dial(ls.Listener.Addr().Network(), ls.Listener.Addr().String())
    42  		if err != nil {
    43  			t.Fatal(err)
    44  		}
    45  		defer c.Close()
    46  		if c.LocalAddr().Network() != network || c.LocalAddr().Network() != network {
    47  			t.Fatalf("got %s->%s; want %s->%s", c.LocalAddr().Network(), c.RemoteAddr().Network(), network, network)
    48  		}
    49  		c.SetDeadline(time.Now().Add(someTimeout))
    50  		c.SetReadDeadline(time.Now().Add(someTimeout))
    51  		c.SetWriteDeadline(time.Now().Add(someTimeout))
    52  
    53  		if _, err := c.Write([]byte("CONN AND LISTENER TEST")); err != nil {
    54  			t.Fatal(err)
    55  		}
    56  		rb := make([]byte, 128)
    57  		if _, err := c.Read(rb); err != nil {
    58  			t.Fatal(err)
    59  		}
    60  
    61  		for err := range ch {
    62  			t.Errorf("#%d: %v", i, err)
    63  		}
    64  	}
    65  }