| 69 | @pytest.mark.parametrize("m_attr", ["m_mptr", "m_cptr"]) |
| 70 | @pytest.mark.parametrize("r_kind", ["_readonly", "_readwrite"]) |
| 71 | def test_ptr(field_type, num_default, outer_type, m_attr, r_kind): |
| 72 | m_attr_r_kind = m_attr + r_kind |
| 73 | outer = outer_type() |
| 74 | assert getattr(outer, m_attr_r_kind) is None |
| 75 | field = field_type() |
| 76 | assert field.num == num_default |
| 77 | setattr(outer, m_attr + "_readwrite", field) |
| 78 | assert getattr(outer, m_attr_r_kind).num == num_default |
| 79 | field.num = 76 |
| 80 | assert getattr(outer, m_attr_r_kind).num == 76 |
| 81 | # Change to -88 or -99 to demonstrate Undefined Behavior (dangling pointer). |
| 82 | if num_default == 88 and m_attr == "m_mptr": |
| 83 | del field |
| 84 | assert getattr(outer, m_attr_r_kind).num == 76 |
| 85 | |
| 86 | |
| 87 | @pytest.mark.parametrize("m_attr_readwrite", ["m_uqmp_readwrite", "m_uqcp_readwrite"]) |