cpython/Lib/test/test_pep3131.py

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import unittest
import sys
from test import support
class PEP3131Test(unittest.TestCase):
def test_valid(self):
class T:
ä = 1
µ = 2 # this is a compatibility character
= 3
x󠄀 = 4
self.assertEqual(getattr(T, "\xe4"), 1)
self.assertEqual(getattr(T, "\u03bc"), 2)
self.assertEqual(getattr(T, '\u87d2'), 3)
self.assertEqual(getattr(T, 'x\U000E0100'), 4)
def test_non_bmp_normalized(self):
𝔘𝔫𝔦𝔠𝔬𝔡𝔢 = 1
# On wide builds, this is normalized, but on narrow ones it is not. See
# #12746.
try:
self.assertIn("𝔘𝔫𝔦𝔠𝔬𝔡𝔢", dir())
except AssertionError:
raise unittest.case._ExpectedFailure(sys.exc_info())
def test_invalid(self):
try:
from test import badsyntax_3131
except SyntaxError as s:
self.assertEqual(str(s),
"invalid character in identifier (badsyntax_3131.py, line 2)")
else:
self.fail("expected exception didn't occur")
def test_main():
support.run_unittest(PEP3131Test)
if __name__=="__main__":
test_main()