diff options
Diffstat (limited to 'tests/ui/consts/const-int-overflowing-rpass.rs')
-rw-r--r-- | tests/ui/consts/const-int-overflowing-rpass.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/tests/ui/consts/const-int-overflowing-rpass.rs b/tests/ui/consts/const-int-overflowing-rpass.rs new file mode 100644 index 000000000..75e77fdf1 --- /dev/null +++ b/tests/ui/consts/const-int-overflowing-rpass.rs @@ -0,0 +1,47 @@ +// run-pass + +const ADD_A: (u32, bool) = 5u32.overflowing_add(2); +const ADD_B: (u32, bool) = u32::MAX.overflowing_add(1); + +const SUB_A: (u32, bool) = 5u32.overflowing_sub(2); +const SUB_B: (u32, bool) = 0u32.overflowing_sub(1); + +const MUL_A: (u32, bool) = 5u32.overflowing_mul(2); +const MUL_B: (u32, bool) = 1_000_000_000u32.overflowing_mul(10); + +const SHL_A: (u32, bool) = 0x1u32.overflowing_shl(4); +const SHL_B: (u32, bool) = 0x1u32.overflowing_shl(132); + +const SHR_A: (u32, bool) = 0x10u32.overflowing_shr(4); +const SHR_B: (u32, bool) = 0x10u32.overflowing_shr(132); + +const NEG_A: (u32, bool) = 0u32.overflowing_neg(); +const NEG_B: (u32, bool) = u32::MAX.overflowing_neg(); + +const ABS_POS: (i32, bool) = 10i32.overflowing_abs(); +const ABS_NEG: (i32, bool) = (-10i32).overflowing_abs(); +const ABS_MIN: (i32, bool) = i32::MIN.overflowing_abs(); + +fn main() { + assert_eq!(ADD_A, (7, false)); + assert_eq!(ADD_B, (0, true)); + + assert_eq!(SUB_A, (3, false)); + assert_eq!(SUB_B, (u32::MAX, true)); + + assert_eq!(MUL_A, (10, false)); + assert_eq!(MUL_B, (1410065408, true)); + + assert_eq!(SHL_A, (0x10, false)); + assert_eq!(SHL_B, (0x10, true)); + + assert_eq!(SHR_A, (0x1, false)); + assert_eq!(SHR_B, (0x1, true)); + + assert_eq!(NEG_A, (0, false)); + assert_eq!(NEG_B, (1, true)); + + assert_eq!(ABS_POS, (10, false)); + assert_eq!(ABS_NEG, (10, false)); + assert_eq!(ABS_MIN, (i32::MIN, true)); +} |