Fix #13327. Remove the need for an explicit None as the second argument to
os.utime in order to update to the current time. The second argument is now
optional.
diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index 878162f..b74d051 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -270,6 +270,21 @@
st2 = os.stat(support.TESTFN)
self.assertEqual(st2.st_mtime, int(st.st_mtime-delta))
+ def test_utime_noargs(self):
+ # (insert issue#) removed the requirement to pass None as the
+ # second argument. Check that the previous methods of passing
+ # a time tuple or None work in addition to no argument.
+ st = os.stat(support.TESTFN)
+ # Doesn't set anything new, but sets the time tuple way
+ os.utime(support.TESTFN, (st.st_atime, st.st_mtime))
+ # Set to the current time in the old explicit way.
+ os.utime(support.TESTFN, None)
+ st1 = os.stat(support.TESTFN)
+ # Set to the current time in the new way
+ os.utime(support.TESTFN)
+ st2 = os.stat(support.TESTFN)
+ self.assertAlmostEqual(st1.st_mtime, st2.st_mtime, delta=10)
+
# Restrict test to Win32, since there is no guarantee other
# systems support centiseconds
if sys.platform == 'win32':