rust/tests/ui/numbers-arithmetic/next-power-of-two-overflow-...

15 lines
439 B
Rust

//@ run-pass
//@ compile-flags: -C debug_assertions=no
//@ ignore-emscripten dies with an LLVM error
fn main() {
for i in 129..256 {
assert_eq!((i as u8).next_power_of_two(), 0);
}
assert_eq!(((1u16 << 15) + 1).next_power_of_two(), 0);
assert_eq!(((1u32 << 31) + 1).next_power_of_two(), 0);
assert_eq!(((1u64 << 63) + 1).next_power_of_two(), 0);
assert_eq!(((1u128 << 127) + 1).next_power_of_two(), 0);
}