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author | Steve Dower <steve.dower@microsoft.com> | 2017-02-04 15:05:40 -0800 |
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committer | Steve Dower <steve.dower@microsoft.com> | 2017-02-04 15:05:40 -0800 |
commit | b2fa705fd3887c326e811c418469c784353027f4 (patch) | |
tree | b3428f73de91453edbfd4df1a5d4a212d182eb44 /Lib/test/test_types.py | |
parent | 134e58fd3aaa2e91390041e143f3f0a21a60142b (diff) | |
parent | b53654b6dbfce8318a7d4d1cdaddca7a7fec194b (diff) | |
download | cpython-b2fa705fd3887c326e811c418469c784353027f4.tar.gz |
Issue #29392: Prevent crash when passing invalid arguments into msvcrt module.
Diffstat (limited to 'Lib/test/test_types.py')
-rw-r--r-- | Lib/test/test_types.py | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Lib/test/test_types.py b/Lib/test/test_types.py index 5e741153f4..382ca03e5a 100644 --- a/Lib/test/test_types.py +++ b/Lib/test/test_types.py @@ -48,6 +48,7 @@ class TypesTests(unittest.TestCase): def test_float_constructor(self): self.assertRaises(ValueError, float, '') self.assertRaises(ValueError, float, '5\0') + self.assertRaises(ValueError, float, '5_5\0') def test_zero_division(self): try: 5.0 / 0.0 @@ -1000,6 +1001,24 @@ class ClassCreationTests(unittest.TestCase): with self.assertRaises(TypeError): X = types.new_class("X", (int(), C)) + def test_one_argument_type(self): + expected_message = 'type.__new__() takes exactly 3 arguments (1 given)' + + # Only type itself can use the one-argument form (#27157) + self.assertIs(type(5), int) + + class M(type): + pass + with self.assertRaises(TypeError) as cm: + M(5) + self.assertEqual(str(cm.exception), expected_message) + + class N(type, metaclass=M): + pass + with self.assertRaises(TypeError) as cm: + N(5) + self.assertEqual(str(cm.exception), expected_message) + class SimpleNamespaceTests(unittest.TestCase): |