rust/src/test/run-pass/enum-discrim-manual-sizing.rs
Alex Crichton 43bfaa4a33 Mass rename uint/int to usize/isize
Now that support has been removed, all lingering use cases are renamed.
2015-03-26 12:10:22 -07:00

87 lines
1.5 KiB
Rust

// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// pretty-expanded FIXME #23616
use std::mem::size_of;
#[repr(i8)]
enum Ei8 {
Ai8 = 0,
Bi8 = 1
}
#[repr(u8)]
enum Eu8 {
Au8 = 0,
Bu8 = 1
}
#[repr(i16)]
enum Ei16 {
Ai16 = 0,
Bi16 = 1
}
#[repr(u16)]
enum Eu16 {
Au16 = 0,
Bu16 = 1
}
#[repr(i32)]
enum Ei32 {
Ai32 = 0,
Bi32 = 1
}
#[repr(u32)]
enum Eu32 {
Au32 = 0,
Bu32 = 1
}
#[repr(i64)]
enum Ei64 {
Ai64 = 0,
Bi64 = 1
}
#[repr(u64)]
enum Eu64 {
Au64 = 0,
Bu64 = 1
}
#[repr(isize)]
enum Eint {
Aint = 0,
Bint = 1
}
#[repr(usize)]
enum Euint {
Auint = 0,
Buint = 1
}
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);
assert_eq!(size_of::<Ei64>(), 8);
assert_eq!(size_of::<Eu64>(), 8);
assert_eq!(size_of::<Eint>(), size_of::<isize>());
assert_eq!(size_of::<Euint>(), size_of::<usize>());
}