1// Copyright 2014 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5// +build darwin dragonfly freebsd openbsd
6
7package unix_test
8
9import (
10	"os/exec"
11	"runtime"
12	"testing"
13
14	"golang.org/x/sys/unix"
15)
16
17const MNT_WAIT = 1
18const MNT_NOWAIT = 2
19
20func TestGetfsstat(t *testing.T) {
21	const flags = MNT_NOWAIT // see golang.org/issue/16937
22	n, err := unix.Getfsstat(nil, flags)
23	if err != nil {
24		t.Fatal(err)
25	}
26
27	data := make([]unix.Statfs_t, n)
28	n2, err := unix.Getfsstat(data, flags)
29	if err != nil {
30		t.Fatal(err)
31	}
32	if n != n2 {
33		t.Errorf("Getfsstat(nil) = %d, but subsequent Getfsstat(slice) = %d", n, n2)
34	}
35	for i, stat := range data {
36		if stat == (unix.Statfs_t{}) {
37			t.Errorf("index %v is an empty Statfs_t struct", i)
38		}
39	}
40	if t.Failed() {
41		for i, stat := range data[:n2] {
42			t.Logf("data[%v] = %+v", i, stat)
43		}
44		mount, err := exec.Command("mount").CombinedOutput()
45		if err != nil {
46			t.Logf("mount: %v\n%s", err, mount)
47		} else {
48			t.Logf("mount: %s", mount)
49		}
50	}
51}
52
53func TestSysctlRaw(t *testing.T) {
54	if runtime.GOOS == "openbsd" {
55		t.Skip("kern.proc.pid does not exist on OpenBSD")
56	}
57
58	_, err := unix.SysctlRaw("kern.proc.pid", unix.Getpid())
59	if err != nil {
60		t.Fatal(err)
61	}
62}
63