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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 | ||
11 | use std::mem::size_of; | |
12 | ||
13 | enum Ei8 { | |
14 | Ai8 = -1, | |
15 | Bi8 = 0 | |
16 | } | |
17 | ||
18 | enum Eu8 { | |
19 | Au8 = 0, | |
20 | Bu8 = 0x80 | |
21 | } | |
22 | ||
23 | enum Ei16 { | |
24 | Ai16 = -1, | |
25 | Bi16 = 0x80 | |
26 | } | |
27 | ||
28 | enum Eu16 { | |
29 | Au16 = 0, | |
30 | Bu16 = 0x8000 | |
31 | } | |
32 | ||
33 | enum Ei32 { | |
34 | Ai32 = -1, | |
35 | Bi32 = 0x8000 | |
36 | } | |
37 | ||
38 | enum Eu32 { | |
39 | Au32 = 0, | |
40 | Bu32 = 0x8000_0000 | |
41 | } | |
42 | ||
43 | enum Ei64 { | |
44 | Ai64 = -1, | |
45 | Bi64 = 0x8000_0000 | |
46 | } | |
47 | ||
48 | enum Eu64 { | |
49 | Au64 = 0, | |
50 | Bu64 = 0x8000_0000_0000_0000 | |
51 | } | |
52 | ||
53 | pub fn main() { | |
54 | assert_eq!(size_of::<Ei8>(), 1); | |
55 | assert_eq!(size_of::<Eu8>(), 1); | |
56 | assert_eq!(size_of::<Ei16>(), 2); | |
57 | assert_eq!(size_of::<Eu16>(), 2); | |
58 | assert_eq!(size_of::<Ei32>(), 4); | |
59 | assert_eq!(size_of::<Eu32>(), 4); | |
60 | assert_eq!(size_of::<Ei64>(), 8); | |
61 | assert_eq!(size_of::<Eu64>(), 8); | |
62 | } |