// Copyright 2014 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.// +build darwin dragonfly freebsd linux netbsd openbsdpackagesyscall_testimport("syscall""testing")funcTestMmap(t*testing.T){b,err:=syscall.Mmap(-1,0,syscall.Getpagesize(),syscall.PROT_NONE,syscall.MAP_ANON|syscall.MAP_PRIVATE)iferr!=nil{t.Fatalf("Mmap: %v",err)}iferr:=syscall.Munmap(b);err!=nil{t.Fatalf("Munmap: %v",err)}}