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