unix: test UtimesNanoAt on darwin
Change-Id: I18354d29db909227ae75df1c8b1ab7888375f8db
Reviewed-on: https://go-review.googlesource.com/c/147740
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/unix/syscall_darwin_test.go b/unix/syscall_darwin_test.go
index 65691d5..7faa295 100644
--- a/unix/syscall_darwin_test.go
+++ b/unix/syscall_darwin_test.go
@@ -4,6 +4,13 @@
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 {
@@ -17,3 +24,40 @@
}
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)
+ }
+}
