| 1 | const std = @import("std"); |
| 2 | const builtin = @import("builtin"); |
| 3 | const expectEqual = std.testing.expectEqual; |
| 4 | const mem = std.mem; |
| 5 | |
| 6 | test "integer widening" { |
| 7 | const a: u8 = 250; |
| 8 | const b: u16 = a; |
| 9 | const c: u32 = b; |
| 10 | const d: u64 = c; |
| 11 | const e: u64 = d; |
| 12 | const f: u128 = e; |
| 13 | try expectEqual(f, a); |
| 14 | } |
| 15 | |
| 16 | test "implicit unsigned integer to signed integer" { |
| 17 | const a: u8 = 250; |
| 18 | const b: i16 = a; |
| 19 | try expectEqual(250, b); |
| 20 | } |
| 21 | |
| 22 | test "float widening" { |
| 23 | const a: f16 = 12.34; |
| 24 | const b: f32 = a; |
| 25 | const c: f64 = b; |
| 26 | const d: f128 = c; |
| 27 | try expectEqual(d, a); |
| 28 | } |
| 29 | |
| 30 | // test |