rust/tests/ui/consts/const-endianess.rs
2024-02-16 20:02:50 +00:00

22 lines
583 B
Rust

//@ run-pass
#![feature(test)]
extern crate test;
use test::black_box as b; // prevent promotion of the argument and const-propagation of the result
const BE_U32: u32 = 55u32.to_be();
const LE_U32: u32 = 55u32.to_le();
fn main() {
assert_eq!(BE_U32, b(55u32).to_be());
assert_eq!(LE_U32, b(55u32).to_le());
#[cfg(not(target_os = "emscripten"))]
{
const BE_U128: u128 = 999999u128.to_be();
const LE_I128: i128 = (-999999i128).to_le();
assert_eq!(BE_U128, b(999999u128).to_be());
assert_eq!(LE_I128, b(-999999i128).to_le());
}
}