| 15 | |
| 16 | class TestStruct(unittest.TestCase): |
| 17 | def test_struct_offsets(self) -> None: |
| 18 | # test per-member alignment |
| 19 | r = RStruct("", [], [bool_rprimitive, int32_rprimitive, int64_rprimitive]) |
| 20 | assert r.size == 16 |
| 21 | assert r.offsets == [0, 4, 8] |
| 22 | |
| 23 | # test final alignment |
| 24 | r1 = RStruct("", [], [bool_rprimitive, bool_rprimitive]) |
| 25 | assert r1.size == 2 |
| 26 | assert r1.offsets == [0, 1] |
| 27 | r2 = RStruct("", [], [int32_rprimitive, bool_rprimitive]) |
| 28 | r3 = RStruct("", [], [int64_rprimitive, bool_rprimitive]) |
| 29 | assert r2.offsets == [0, 4] |
| 30 | assert r3.offsets == [0, 8] |
| 31 | assert r2.size == 8 |
| 32 | assert r3.size == 16 |
| 33 | |
| 34 | r4 = RStruct("", [], [bool_rprimitive, bool_rprimitive, bool_rprimitive, int32_rprimitive]) |
| 35 | assert r4.size == 8 |
| 36 | assert r4.offsets == [0, 1, 2, 4] |
| 37 | |
| 38 | # test nested struct |
| 39 | r5 = RStruct("", [], [bool_rprimitive, r]) |
| 40 | assert r5.offsets == [0, 8] |
| 41 | assert r5.size == 24 |
| 42 | r6 = RStruct("", [], [int32_rprimitive, r5]) |
| 43 | assert r6.offsets == [0, 8] |
| 44 | assert r6.size == 32 |
| 45 | # test nested struct with alignment less than 8 |
| 46 | r7 = RStruct("", [], [bool_rprimitive, r4]) |
| 47 | assert r7.offsets == [0, 4] |
| 48 | assert r7.size == 12 |
| 49 | |
| 50 | def test_struct_str(self) -> None: |
| 51 | r = RStruct("Foo", ["a", "b"], [bool_rprimitive, object_rprimitive]) |