rust/src/test/ui/big-literals.rs
2019-07-27 18:56:16 +03:00

18 lines
592 B
Rust

// run-pass
// Catch mistakes in the overflowing literals lint.
#![deny(overflowing_literals)]
pub fn main() {
assert_eq!(0xffffffff, (!0 as u32));
assert_eq!(4294967295, (!0 as u32));
assert_eq!(0xffffffffffffffff, (!0 as u64));
assert_eq!(18446744073709551615, (!0 as u64));
assert_eq!((-2147483648i32).wrapping_sub(1), 2147483647);
assert_eq!(-3.40282356e+38_f32, ::std::f32::MIN);
assert_eq!(3.40282356e+38_f32, ::std::f32::MAX);
assert_eq!(-1.7976931348623158e+308_f64, ::std::f64::MIN);
assert_eq!(1.7976931348623158e+308_f64, ::std::f64::MAX);
}