| // Copyright 2018 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. |
| |
| package unix_test |
| |
| import ( |
| "os" |
| "testing" |
| |
| "golang.org/x/sys/unix" |
| ) |
| |
| // stringsFromByteSlice converts a sequence of attributes to a []string. |
| // On Darwin, each entry is a NULL-terminated string. |
| func stringsFromByteSlice(buf []byte) []string { |
| var result []string |
| off := 0 |
| for i, b := range buf { |
| if b == 0 { |
| result = append(result, string(buf[off:i])) |
| off = i + 1 |
| } |
| } |
| return result |
| } |
| |
| func TestUtimesNanoAt(t *testing.T) { |
| defer chtmpdir(t)() |
| |
| symlink := "symlink1" |
| os.Remove(symlink) |
| err := os.Symlink("nonexisting", symlink) |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| ts := []unix.Timespec{ |
| {Sec: 1111, Nsec: 2222}, |
| {Sec: 3333, Nsec: 4444}, |
| } |
| err = unix.UtimesNanoAt(unix.AT_FDCWD, symlink, ts, unix.AT_SYMLINK_NOFOLLOW) |
| if err != nil { |
| t.Fatalf("UtimesNanoAt: %v", err) |
| } |
| |
| var st unix.Stat_t |
| err = unix.Lstat(symlink, &st) |
| if err != nil { |
| t.Fatalf("Lstat: %v", err) |
| } |
| |
| // Only check Mtimespec, Atimespec might not be supported by the underlying filesystem |
| expected := ts[1] |
| if st.Mtimespec.Nsec == 0 { |
| // Some filesystems only support 1-second time stamp resolution |
| // and will always set Nsec to 0. |
| expected.Nsec = 0 |
| } |
| if st.Mtimespec != expected { |
| t.Errorf("UtimesNanoAt: wrong mtime: got %v, expected %v", st.Mtimespec, expected) |
| } |
| } |
| |
| func TestSysctlClockinfo(t *testing.T) { |
| ci, err := unix.SysctlClockinfo("kern.clockrate") |
| if err != nil { |
| t.Fatal(err) |
| } |
| t.Logf("tick = %v, tickadj = %v, hz = %v, profhz = %v, stathz = %v", |
| ci.Tick, ci.Tickadj, ci.Hz, ci.Profhz, ci.Stathz) |
| } |