blob: ef5db4995fb5f20ae7205aca56bfec1a90f5f77e [file] [log] [blame] [edit]
//@ run-pass
//@ compile-flags: -C debug_assertions=true
//@ needs-unwind
//@ ignore-emscripten dies with an LLVM error
use std::panic;
fn main() {
macro_rules! overflow_test {
($t:ident) => (
let r = panic::catch_unwind(|| {
($t::MAX).next_power_of_two()
});
assert!(r.is_err());
let r = panic::catch_unwind(|| {
(($t::MAX >> 1) + 2).next_power_of_two()
});
assert!(r.is_err());
)
}
overflow_test!(u8);
overflow_test!(u16);
overflow_test!(u32);
overflow_test!(u64);
overflow_test!(u128);
}