rust/tests/ui/invalid_upcast_comparisons.rs
2017-02-08 14:58:07 +01:00

36 lines
716 B
Rust

#![feature(plugin)]
#![plugin(clippy)]
#![deny(invalid_upcast_comparisons)]
#![allow(unused, eq_op, no_effect, unnecessary_operation)]
fn main() {
let zero: u32 = 0;
let u8_max: u8 = 255;
(u8_max as u32) > 300;
(u8_max as u32) > 20;
(zero as i32) < -5;
(zero as i32) < 10;
-5 < (zero as i32);
0 <= (zero as i32);
0 < (zero as i32);
-5 > (zero as i32);
-5 >= (u8_max as i32);
1337 == (u8_max as i32);
-5 == (zero as i32);
-5 != (u8_max as i32);
// Those are Ok:
42 == (u8_max as i32);
42 != (u8_max as i32);
42 > (u8_max as i32);
(u8_max as i32) == 42;
(u8_max as i32) != 42;
(u8_max as i32) > 42;
(u8_max as i32) < 42;
}