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Source file src/net/rawconn_windows_test.go

Documentation: net

  // Copyright 2017 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.
  
  package net
  
  import (
  	"syscall"
  	"testing"
  )
  
  func TestRawConn(t *testing.T) {
  	c, err := newLocalPacketListener("udp")
  	if err != nil {
  		t.Fatal(err)
  	}
  	defer c.Close()
  	cc, err := c.(*UDPConn).SyscallConn()
  	if err != nil {
  		t.Fatal(err)
  	}
  
  	var operr error
  	fn := func(s uintptr) {
  		operr = syscall.SetsockoptInt(syscall.Handle(s), syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1)
  	}
  	err = cc.Control(fn)
  	if err != nil || operr != nil {
  		t.Fatal(err, operr)
  	}
  	c.Close()
  	err = cc.Control(fn)
  	if err == nil {
  		t.Fatal("should fail")
  	}
  }
  

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