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94 lines
2 KiB
Go
94 lines
2 KiB
Go
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build darwin dragonfly freebsd openbsd
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package unix_test
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import (
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"os/exec"
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"runtime"
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"testing"
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"time"
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"golang.org/x/sys/unix"
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)
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const MNT_WAIT = 1
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const MNT_NOWAIT = 2
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func TestGetfsstat(t *testing.T) {
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const flags = MNT_NOWAIT // see golang.org/issue/16937
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n, err := unix.Getfsstat(nil, flags)
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if err != nil {
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t.Fatal(err)
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}
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data := make([]unix.Statfs_t, n)
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n2, err := unix.Getfsstat(data, flags)
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if err != nil {
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t.Fatal(err)
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}
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if n != n2 {
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t.Errorf("Getfsstat(nil) = %d, but subsequent Getfsstat(slice) = %d", n, n2)
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}
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for i, stat := range data {
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if stat == (unix.Statfs_t{}) {
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t.Errorf("index %v is an empty Statfs_t struct", i)
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}
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}
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if t.Failed() {
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for i, stat := range data[:n2] {
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t.Logf("data[%v] = %+v", i, stat)
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}
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mount, err := exec.Command("mount").CombinedOutput()
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if err != nil {
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t.Logf("mount: %v\n%s", err, mount)
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} else {
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t.Logf("mount: %s", mount)
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}
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}
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}
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func TestSelect(t *testing.T) {
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err := unix.Select(0, nil, nil, nil, &unix.Timeval{Sec: 0, Usec: 0})
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if err != nil {
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t.Fatalf("Select: %v", err)
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}
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dur := 250 * time.Millisecond
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tv := unix.NsecToTimeval(int64(dur))
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start := time.Now()
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err = unix.Select(0, nil, nil, nil, &tv)
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took := time.Since(start)
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if err != nil {
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t.Fatalf("Select: %v", err)
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}
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// On some BSDs the actual timeout might also be slightly less than the requested.
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// Add an acceptable margin to avoid flaky tests.
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if took < dur*2/3 {
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t.Errorf("Select: timeout should have been at least %v, got %v", dur, took)
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}
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}
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func TestSysctlRaw(t *testing.T) {
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if runtime.GOOS == "openbsd" {
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t.Skip("kern.proc.pid does not exist on OpenBSD")
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}
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_, err := unix.SysctlRaw("kern.proc.pid", unix.Getpid())
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestSysctlUint32(t *testing.T) {
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maxproc, err := unix.SysctlUint32("kern.maxproc")
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if err != nil {
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t.Fatal(err)
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}
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t.Logf("kern.maxproc: %v", maxproc)
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}
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