54 lines
818 B
Rust
54 lines
818 B
Rust
// run-pass
|
|
#![allow(dead_code)]
|
|
#![allow(overflowing_literals)]
|
|
|
|
use std::mem::size_of;
|
|
|
|
enum Ei8 {
|
|
Ai8 = -1,
|
|
Bi8 = 0
|
|
}
|
|
|
|
enum Eu8 {
|
|
Au8 = 0,
|
|
Bu8 = 0x80
|
|
}
|
|
|
|
enum Ei16 {
|
|
Ai16 = -1,
|
|
Bi16 = 0x80
|
|
}
|
|
|
|
enum Eu16 {
|
|
Au16 = 0,
|
|
Bu16 = 0x8000
|
|
}
|
|
|
|
enum Ei32 {
|
|
Ai32 = -1,
|
|
Bi32 = 0x8000
|
|
}
|
|
|
|
enum Eu32 {
|
|
Au32 = 0,
|
|
Bu32 = 0x8000_0000
|
|
}
|
|
|
|
enum Ei64 {
|
|
Ai64 = -1,
|
|
Bi64 = 0x8000_0000
|
|
}
|
|
|
|
pub fn main() {
|
|
assert_eq!(size_of::<Ei8>(), 1);
|
|
assert_eq!(size_of::<Eu8>(), 1);
|
|
assert_eq!(size_of::<Ei16>(), 2);
|
|
assert_eq!(size_of::<Eu16>(), 2);
|
|
assert_eq!(size_of::<Ei32>(), 4);
|
|
assert_eq!(size_of::<Eu32>(), 4);
|
|
#[cfg(target_pointer_width = "64")]
|
|
assert_eq!(size_of::<Ei64>(), 8);
|
|
#[cfg(target_pointer_width = "32")]
|
|
assert_eq!(size_of::<Ei64>(), 4);
|
|
}
|