| // 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") |
| } |
| } |
