1// Copyright 2013 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 aix darwin dragonfly freebsd linux netbsd openbsd solaris
6
7package unix_test
8
9import (
10	"fmt"
11	"testing"
12
13	"golang.org/x/sys/unix"
14)
15
16func testSetGetenv(t *testing.T, key, value string) {
17	err := unix.Setenv(key, value)
18	if err != nil {
19		t.Fatalf("Setenv failed to set %q: %v", value, err)
20	}
21	newvalue, found := unix.Getenv(key)
22	if !found {
23		t.Fatalf("Getenv failed to find %v variable (want value %q)", key, value)
24	}
25	if newvalue != value {
26		t.Fatalf("Getenv(%v) = %q; want %q", key, newvalue, value)
27	}
28}
29
30func TestEnv(t *testing.T) {
31	testSetGetenv(t, "TESTENV", "AVALUE")
32	// make sure TESTENV gets set to "", not deleted
33	testSetGetenv(t, "TESTENV", "")
34}
35
36func TestItoa(t *testing.T) {
37	// Make most negative integer: 0x8000...
38	i := 1
39	for i<<1 != 0 {
40		i <<= 1
41	}
42	if i >= 0 {
43		t.Fatal("bad math")
44	}
45	s := unix.Itoa(i)
46	f := fmt.Sprint(i)
47	if s != f {
48		t.Fatalf("itoa(%d) = %s, want %s", i, s, f)
49	}
50}
51
52func TestUname(t *testing.T) {
53	var utsname unix.Utsname
54	err := unix.Uname(&utsname)
55	if err != nil {
56		t.Fatalf("Uname: %v", err)
57	}
58
59	t.Logf("OS: %s/%s %s", utsname.Sysname[:], utsname.Machine[:], utsname.Release[:])
60}
61
62// Test that this compiles. (Issue #31735)
63func TestStatFieldNames(t *testing.T) {
64	var st unix.Stat_t
65	var _ *unix.Timespec
66	_ = &st.Atim
67	_ = &st.Mtim
68	_ = &st.Ctim
69	_ = int64(st.Mtim.Sec)
70	_ = int64(st.Mtim.Nsec)
71}
72