1import unittest
2
3class PEP3131Test(unittest.TestCase):
4
5    def test_valid(self):
6        class T:
7            ä = 1
8            µ = 2 # this is a compatibility character
9            蟒 = 3
10            x�� = 4
11        self.assertEqual(getattr(T, "\xe4"), 1)
12        self.assertEqual(getattr(T, "\u03bc"), 2)
13        self.assertEqual(getattr(T, '\u87d2'), 3)
14        self.assertEqual(getattr(T, 'x\U000E0100'), 4)
15
16    def test_non_bmp_normalized(self):
17        �������������� = 1
18        self.assertIn("Unicode", dir())
19
20    def test_invalid(self):
21        try:
22            from test import badsyntax_3131
23        except SyntaxError as err:
24            self.assertEqual(str(err),
25              "invalid character '€' (U+20AC) (badsyntax_3131.py, line 2)")
26            self.assertEqual(err.lineno, 2)
27            self.assertEqual(err.offset, 1)
28        else:
29            self.fail("expected exception didn't occur")
30
31if __name__ == "__main__":
32    unittest.main()
33