diff options
Diffstat (limited to 'src/test/ui/consts/const-int-overflowing-rpass.rs')
| -rw-r--r-- | src/test/ui/consts/const-int-overflowing-rpass.rs | 39 | 
1 files changed, 39 insertions, 0 deletions
diff --git a/src/test/ui/consts/const-int-overflowing-rpass.rs b/src/test/ui/consts/const-int-overflowing-rpass.rs new file mode 100644 index 00000000000..b619c7908aa --- /dev/null +++ b/src/test/ui/consts/const-int-overflowing-rpass.rs @@ -0,0 +1,39 @@ +// run-pass + +const ADD_A: (u32, bool) = 5u32.overflowing_add(2); +const ADD_B: (u32, bool) = u32::max_value().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) = core::u32::MAX.overflowing_neg(); + +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_value(), 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)); +}  | 
