(self)
| 1156 | self.assertTrue(c.inst is None) |
| 1157 | |
| 1158 | def test_bad_default(self): |
| 1159 | class Foo: |
| 1160 | pass |
| 1161 | |
| 1162 | class A(HasTraits): |
| 1163 | inst = Instance(Foo) |
| 1164 | |
| 1165 | a = A() |
| 1166 | with self.assertRaises(TraitError): |
| 1167 | a.inst |
| 1168 | |
| 1169 | def test_instance(self): |
| 1170 | class Foo: |