| 99 | env.PYPY, reason="PyPy 7.3.7 doesn't clear this anymore", strict=False |
| 100 | ) |
| 101 | def test_to_python(): |
| 102 | mat = m.Matrix(5, 4) |
| 103 | assert memoryview(mat).shape == (5, 4) |
| 104 | |
| 105 | assert mat[2, 3] == 0 |
| 106 | mat[2, 3] = 4.0 |
| 107 | mat[3, 2] = 7.0 |
| 108 | assert mat[2, 3] == 4 |
| 109 | assert mat[3, 2] == 7 |
| 110 | assert struct.unpack_from("f", mat, (3 * 4 + 2) * 4) == (7,) |
| 111 | assert struct.unpack_from("f", mat, (2 * 4 + 3) * 4) == (4,) |
| 112 | |
| 113 | mat2 = np.array(mat, copy=False) |
| 114 | assert mat2.shape == (5, 4) |
| 115 | assert abs(mat2).sum() == 11 |
| 116 | assert mat2[2, 3] == 4 |
| 117 | assert mat2[3, 2] == 7 |
| 118 | mat2[2, 3] = 5 |
| 119 | assert mat2[2, 3] == 5 |
| 120 | |
| 121 | cstats = ConstructorStats.get(m.Matrix) |
| 122 | assert cstats.alive() == 1 |
| 123 | del mat |
| 124 | pytest.gc_collect() |
| 125 | assert cstats.alive() == 1 |
| 126 | del mat2 # holds a mat reference |
| 127 | pytest.gc_collect() |
| 128 | assert cstats.alive() == 0 |
| 129 | assert cstats.values() == ["5x4 matrix"] |
| 130 | assert cstats.copy_constructions == 0 |
| 131 | # assert cstats.move_constructions >= 0 # Don't invoke any |
| 132 | assert cstats.copy_assignments == 0 |
| 133 | assert cstats.move_assignments == 0 |
| 134 | |
| 135 | |
| 136 | def test_inherited_protocol(): |