| 1 | const std = @import("std"); |
| 2 | const expectEqual = std.testing.expectEqual; |
| 3 | |
| 4 | const BitField = packed struct { |
| 5 | a: u3, |
| 6 | b: u3, |
| 7 | c: u2, |
| 8 | }; |
| 9 | |
| 10 | test "offsets of non-byte-aligned fields" { |
| 11 | comptime { |
| 12 | try expectEqual(0, @bitOffsetOf(BitField, "a")); |
| 13 | try expectEqual(3, @bitOffsetOf(BitField, "b")); |
| 14 | try expectEqual(6, @bitOffsetOf(BitField, "c")); |
| 15 | |
| 16 | try expectEqual(0, @offsetOf(BitField, "a")); |
| 17 | try expectEqual(0, @offsetOf(BitField, "b")); |
| 18 | try expectEqual(0, @offsetOf(BitField, "c")); |
| 19 | } |
| 20 | } |
| 21 | |
| 22 | // test |