|  | // 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 openbsd | 
|  |  | 
|  | package syscall_test | 
|  |  | 
|  | import ( | 
|  | "syscall" | 
|  | "testing" | 
|  | ) | 
|  |  | 
|  | const MNT_WAIT = 1 | 
|  |  | 
|  | func TestGetfsstat(t *testing.T) { | 
|  | n, err := syscall.Getfsstat(nil, MNT_WAIT) | 
|  | if err != nil { | 
|  | t.Fatal(err) | 
|  | } | 
|  |  | 
|  | data := make([]syscall.Statfs_t, n) | 
|  | n, err = syscall.Getfsstat(data, MNT_WAIT) | 
|  | if err != nil { | 
|  | t.Fatal(err) | 
|  | } | 
|  |  | 
|  | empty := syscall.Statfs_t{} | 
|  | for _, stat := range data { | 
|  | if stat == empty { | 
|  | t.Fatal("an empty Statfs_t struct was returned") | 
|  | } | 
|  | } | 
|  | } |