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// Copyright 2016 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 linux
package unix_test
import (
"io/ioutil"
"os"
"testing"
"time"
"golang.org/x/sys/unix"
)
func TestTime(t *testing.T) {
var ut unix.Time_t
ut2, err := unix.Time(&ut)
if err != nil {
t.Fatalf("Time: %v", err)
}
if ut != ut2 {
t.Errorf("Time: return value %v should be equal to argument %v", ut2, ut)
}
var now time.Time
for i := 0; i < 10; i++ {
ut, err = unix.Time(nil)
if err != nil {
t.Fatalf("Time: %v", err)
}
now = time.Now()
if int64(ut) == now.Unix() {
return
}
}
t.Errorf("Time: return value %v should be nearly equal to time.Now().Unix() %v", ut, now.Unix())
}
func TestUtime(t *testing.T) {
defer chtmpdir(t)()
touch(t, "file1")
buf := &unix.Utimbuf{
Modtime: 12345,
}
err := unix.Utime("file1", buf)
if err != nil {
t.Fatalf("Utime: %v", err)
}
fi, err := os.Stat("file1")
if err != nil {
t.Fatal(err)
}
if fi.ModTime().Unix() != 12345 {
t.Errorf("Utime: failed to change modtime: expected %v, got %v", 12345, fi.ModTime().Unix())
}
}
func TestGetrlimit(t *testing.T) {
var rlim unix.Rlimit
err := unix.Getrlimit(unix.RLIMIT_AS, &rlim)
if err != nil {
t.Fatalf("Getrlimit: %v", err)
}
}
// utilities taken from os/os_test.go
func touch(t *testing.T, name string) {
f, err := os.Create(name)
if err != nil {
t.Fatal(err)
}
if err := f.Close(); err != nil {
t.Fatal(err)
}
}
// chtmpdir changes the working directory to a new temporary directory and
// provides a cleanup function. Used when PWD is read-only.
func chtmpdir(t *testing.T) func() {
oldwd, err := os.Getwd()
if err != nil {
t.Fatalf("chtmpdir: %v", err)
}
d, err := ioutil.TempDir("", "test")
if err != nil {
t.Fatalf("chtmpdir: %v", err)
}
if err := os.Chdir(d); err != nil {
t.Fatalf("chtmpdir: %v", err)
}
return func() {
if err := os.Chdir(oldwd); err != nil {
t.Fatalf("chtmpdir: %v", err)
}
os.RemoveAll(d)
}
}
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