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Source file src/net/conn_test.go

Documentation: net

  // 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 (
  	"testing"
  	"time"
  )
  
  // 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 i, network := range []string{"tcp", "unix", "unixpacket"} {
  		if !testableNetwork(network) {
  			t.Logf("skipping %s test", network)
  			continue
  		}
  
  		ls, err := newLocalServer(network)
  		if err != nil {
  			t.Fatal(err)
  		}
  		defer ls.teardown()
  		ch := make(chan error, 1)
  		handler := func(ls *localServer, ln Listener) { transponder(ln, ch) }
  		if err := ls.buildup(handler); err != nil {
  			t.Fatal(err)
  		}
  		if ls.Listener.Addr().Network() != network {
  			t.Fatalf("got %s; want %s", ls.Listener.Addr().Network(), network)
  		}
  
  		c, err := Dial(ls.Listener.Addr().Network(), ls.Listener.Addr().String())
  		if err != nil {
  			t.Fatal(err)
  		}
  		defer c.Close()
  		if c.LocalAddr().Network() != network || c.RemoteAddr().Network() != network {
  			t.Fatalf("got %s->%s; want %s->%s", c.LocalAddr().Network(), c.RemoteAddr().Network(), network, network)
  		}
  		c.SetDeadline(time.Now().Add(someTimeout))
  		c.SetReadDeadline(time.Now().Add(someTimeout))
  		c.SetWriteDeadline(time.Now().Add(someTimeout))
  
  		if _, err := c.Write([]byte("CONN AND LISTENER TEST")); err != nil {
  			t.Fatal(err)
  		}
  		rb := make([]byte, 128)
  		if _, err := c.Read(rb); err != nil {
  			t.Fatal(err)
  		}
  
  		for err := range ch {
  			t.Errorf("#%d: %v", i, err)
  		}
  	}
  }
  

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