rust/tests/ui/cast_nan_to_int.rs
2024-06-19 13:30:21 -04:00

33 lines
1.2 KiB
Rust

// FIXME(f16_f128): add tests when constants are available
#![warn(clippy::cast_nan_to_int)]
#![allow(clippy::eq_op)]
fn main() {
let _ = (0.0_f32 / -0.0) as usize;
//~^ ERROR: casting a known NaN to usize
//~| NOTE: this always evaluates to 0
let _ = (f64::INFINITY * -0.0) as usize;
//~^ ERROR: casting a known NaN to usize
//~| NOTE: this always evaluates to 0
let _ = (0.0 * f32::INFINITY) as usize;
//~^ ERROR: casting a known NaN to usize
//~| NOTE: this always evaluates to 0
let _ = (f64::INFINITY + f64::NEG_INFINITY) as usize;
//~^ ERROR: casting a known NaN to usize
//~| NOTE: this always evaluates to 0
let _ = (f32::INFINITY - f32::INFINITY) as usize;
//~^ ERROR: casting a known NaN to usize
//~| NOTE: this always evaluates to 0
let _ = (f32::INFINITY / f32::NEG_INFINITY) as usize;
//~^ ERROR: casting a known NaN to usize
//~| NOTE: this always evaluates to 0
// those won't be linted:
let _ = (1.0_f32 / 0.0) as usize;
let _ = (f32::INFINITY * f32::NEG_INFINITY) as usize;
let _ = (f32::INFINITY - f32::NEG_INFINITY) as usize;
let _ = (f64::INFINITY - 0.0) as usize;
}