| import cpp11_null_pointer_constant | |
| a = cpp11_null_pointer_constant.A() | |
| if a._myA != None: | |
| raise RuntimeError( | |
| "cpp11_null_pointer_constant: _myA should be None, but is ", a._myA) | |
| b = cpp11_null_pointer_constant.A() | |
| if a._myA != b._myA: | |
| raise RuntimeError( | |
| "cpp11_null_pointer_constant: a._myA should be the same as b._myA, but ", a._myA, "!=", b._myA) | |
| a._myA = cpp11_null_pointer_constant.A() | |
| if a._myA == None: | |
| raise RuntimeError(( | |
| "cpp11_null_pointer_constant: _myA should be object, but is None")) |