Method test_isprintable_invariant

Lib/test/test_str.py:864–870

(self)

    @support.requires_resource('cpu')
    def test_isprintable_invariant(self):
        for codepoint in range(sys.maxunicode + 1):
            char = chr(codepoint)
            category = unicodedata.category(char)
            self.assertEqual(char.isprintable(),
                             category[0] not in ('C', 'Z')
                             or char == ' ')

    def test_surrogates(self):
        for s in ('a\uD800b\uDFFF', 'a\uDFFFb\uD800',