[rustc.git] / src / test / ui / big-literals.rs

// 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);
}
Commit	Line	Data
416331ca	1	// run-pass
c34b1796 AL	2	// Catch mistakes in the overflowing literals lint.
	3	#![deny(overflowing_literals)]
	4
223e47cc	5	pub fn main() {
c34b1796 AL	6	assert_eq!(0xffffffff, (!0 as u32));
	7	assert_eq!(4294967295, (!0 as u32));
	8	assert_eq!(0xffffffffffffffff, (!0 as u64));
	9	assert_eq!(18446744073709551615, (!0 as u64));
223e47cc	10
c34b1796	11	assert_eq!((-2147483648i32).wrapping_sub(1), 2147483647);
3b2f2976 XL	12
	13	assert_eq!(-3.40282356e+38_f32, ::std::f32::MIN);
	14	assert_eq!(3.40282356e+38_f32, ::std::f32::MAX);
	15	assert_eq!(-1.7976931348623158e+308_f64, ::std::f64::MIN);
	16	assert_eq!(1.7976931348623158e+308_f64, ::std::f64::MAX);
223e47cc	17	}