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1 | // Copyright 2013 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
b7449926 XL |
11 | // run-pass |
12 | #![allow(overflowing_literals)] | |
13 | #![allow(dead_code)] | |
14 | ||
1a4d82fc JJ |
15 | macro_rules! check { |
16 | ($m:ident, $t:ty, $v:expr) => {{ | |
17 | mod $m { | |
18 | use std::mem::size_of; | |
c34b1796 | 19 | #[derive(Copy, Clone, Debug)] |
1a4d82fc JJ |
20 | enum E { |
21 | V = $v, | |
22 | A = 0 | |
23 | } | |
24 | static C: E = E::V; | |
1a4d82fc JJ |
25 | pub fn check() { |
26 | assert_eq!(size_of::<E>(), size_of::<$t>()); | |
27 | assert_eq!(E::V as $t, $v as $t); | |
28 | assert_eq!(C as $t, $v as $t); | |
29 | assert_eq!(format!("{:?}", E::V), "V".to_string()); | |
30 | assert_eq!(format!("{:?}", C), "V".to_string()); | |
31 | } | |
32 | } | |
33 | $m::check(); | |
34 | }} | |
35 | } | |
36 | ||
37 | pub fn main() { | |
38 | check!(a, u8, 0x17); | |
39 | check!(b, u8, 0xe8); | |
40 | check!(c, u16, 0x1727); | |
41 | check!(d, u16, 0xe8d8); | |
42 | check!(e, u32, 0x17273747); | |
43 | check!(f, u32, 0xe8d8c8b8); | |
44 | ||
45 | check!(z, i8, 0x17); | |
46 | check!(y, i8, -0x17); | |
47 | check!(x, i16, 0x1727); | |
48 | check!(w, i16, -0x1727); | |
49 | check!(v, i32, 0x17273747); | |
50 | check!(u, i32, -0x17273747); | |
51 | ||
52 | enum Simple { A, B } | |
53 | assert_eq!(::std::mem::size_of::<Simple>(), 1); | |
54 | } |