Method test_empty_array

Lib/test/test_re.py:1784–1790

(self)

    @warnings_helper.ignore_warnings(category=DeprecationWarning)  # gh-80480 array('u')
    def test_empty_array(self):
        # SF buf 1647541
        import array
        for typecode in 'bBhuwHiIlLfd':
            a = array.array(typecode)
            self.assertIsNone(re.compile(b"bla").match(a))
            self.assertEqual(re.compile(b"").match(a).groups(), ())

    def test_inline_flags(self):
        # Bug #1700