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Diffstat (limited to 'Lib/test/test_builtin.py')
| -rw-r--r-- | Lib/test/test_builtin.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py index aa9b4e2..145ae69 100644 --- a/Lib/test/test_builtin.py +++ b/Lib/test/test_builtin.py @@ -1343,6 +1343,13 @@ class BuiltinTest(unittest.TestCase): self.assertRaises(ValueError, x.translate, b"1", 1) self.assertRaises(TypeError, x.translate, b"1"*256, 1) + def test_construct_singletons(self): + for const in None, Ellipsis: + tp = type(const) + self.assertIs(tp(), const) + self.assertRaises(TypeError, tp, 1, 2) + self.assertRaises(TypeError, tp, a=1, b=2) + class TestSorted(unittest.TestCase): def test_basic(self): |