1// Copyright 2017 The Go Authors. All right 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//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
6// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
7
8package unix_test
9
10import (
11	"testing"
12	"time"
13	"unsafe"
14
15	"golang.org/x/sys/unix"
16)
17
18func TestTimeToTimespec(t *testing.T) {
19	timeTests := []struct {
20		time  time.Time
21		valid bool
22	}{
23		{time.Unix(0, 0), true},
24		{time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC), true},
25		{time.Date(2262, time.December, 31, 23, 0, 0, 0, time.UTC), false},
26		{time.Unix(0x7FFFFFFF, 0), true},
27		{time.Unix(0x80000000, 0), false},
28		{time.Unix(0x7FFFFFFF, 1000000000), false},
29		{time.Unix(0x7FFFFFFF, 999999999), true},
30		{time.Unix(-0x80000000, 0), true},
31		{time.Unix(-0x80000001, 0), false},
32		{time.Date(2038, time.January, 19, 3, 14, 7, 0, time.UTC), true},
33		{time.Date(2038, time.January, 19, 3, 14, 8, 0, time.UTC), false},
34		{time.Date(1901, time.December, 13, 20, 45, 52, 0, time.UTC), true},
35		{time.Date(1901, time.December, 13, 20, 45, 51, 0, time.UTC), false},
36	}
37
38	// Currently all targets have either int32 or int64 for Timespec.Sec.
39	// If there were a new target with unsigned or floating point type for
40	// it, this test must be adjusted.
41	have64BitTime := (unsafe.Sizeof(unix.Timespec{}.Sec) == 8)
42	for _, tt := range timeTests {
43		ts, err := unix.TimeToTimespec(tt.time)
44		tt.valid = tt.valid || have64BitTime
45		if tt.valid && err != nil {
46			t.Errorf("TimeToTimespec(%v): %v", tt.time, err)
47		}
48		if err == nil {
49			tstime := time.Unix(int64(ts.Sec), int64(ts.Nsec))
50			if !tstime.Equal(tt.time) {
51				t.Errorf("TimeToTimespec(%v) is the time %v", tt.time, tstime)
52			}
53		}
54	}
55}
56