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// Copyright 2017 The Go Authors. All right reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
package unix_test
import (
"testing"
"time"
"unsafe"
"golang.org/x/sys/unix"
)
func TestTimeToTimespec(t *testing.T) {
timeTests := []struct {
time time.Time
valid bool
}{
{time.Unix(0, 0), true},
{time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC), true},
{time.Date(2262, time.December, 31, 23, 0, 0, 0, time.UTC), false},
{time.Unix(0x7FFFFFFF, 0), true},
{time.Unix(0x80000000, 0), false},
{time.Unix(0x7FFFFFFF, 1000000000), false},
{time.Unix(0x7FFFFFFF, 999999999), true},
{time.Unix(-0x80000000, 0), true},
{time.Unix(-0x80000001, 0), false},
{time.Date(2038, time.January, 19, 3, 14, 7, 0, time.UTC), true},
{time.Date(2038, time.January, 19, 3, 14, 8, 0, time.UTC), false},
{time.Date(1901, time.December, 13, 20, 45, 52, 0, time.UTC), true},
{time.Date(1901, time.December, 13, 20, 45, 51, 0, time.UTC), false},
}
// Currently all targets have either int32 or int64 for Timespec.Sec.
// If there were a new target with unsigned or floating point type for
// it, this test must be adjusted.
have64BitTime := (unsafe.Sizeof(unix.Timespec{}.Sec) == 8)
for _, tt := range timeTests {
ts, err := unix.TimeToTimespec(tt.time)
tt.valid = tt.valid || have64BitTime
if tt.valid && err != nil {
t.Errorf("TimeToTimespec(%v): %v", tt.time, err)
}
if err == nil {
tstime := time.Unix(int64(ts.Sec), int64(ts.Nsec))
if !tstime.Equal(tt.time) {
t.Errorf("TimeToTimespec(%v) is the time %v", tt.time, tstime)
}
}
}
}