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author | Berker Peksag <berker.peksag@gmail.com> | 2017-02-01 22:37:49 +0300 |
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committer | Berker Peksag <berker.peksag@gmail.com> | 2017-02-01 22:37:49 +0300 |
commit | a706118dafc16edfed490c53db02c08aefe7b097 (patch) | |
tree | 6416a9ea3398ea769857b79a8036f9ffe098c95e /Lib/test/test_types.py | |
parent | 1966772d17f49c740be143d9d4622be13e850f15 (diff) | |
parent | ba5a055a00d91a449a23ae14dd468e9b769a6b74 (diff) | |
download | cpython-a706118dafc16edfed490c53db02c08aefe7b097.tar.gz |
Issue #29407: Merge from 3.5
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): |