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53 lines
1.1 KiB
Rust
53 lines
1.1 KiB
Rust
//@ run-pass
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#![allow(unused_must_use)]
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//@ needs-threads
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//@ needs-unwind
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#![feature(rustc_attrs)]
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use std::thread;
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trait Int {
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fn zero() -> Self;
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fn one() -> Self;
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}
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macro_rules! doit {
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($($t:ident)*) => ($(impl Int for $t {
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fn zero() -> Self { 0 }
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fn one() -> Self { 1 }
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})*)
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}
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doit! { i8 i16 i32 i64 isize }
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macro_rules! check {
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($($e:expr),*) => {
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$(assert!(thread::spawn({
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move|| { $e; }
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}).join().is_err());)*
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}
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}
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fn main() {
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check![
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isize::MIN / -isize::one(),
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i8::MIN / -i8::one(),
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i16::MIN / -i16::one(),
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i32::MIN / -i32::one(),
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i64::MIN / -i64::one(),
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1isize / isize::zero(),
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1i8 / i8::zero(),
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1i16 / i16::zero(),
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1i32 / i32::zero(),
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1i64 / i64::zero(),
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isize::MIN % -isize::one(),
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i8::MIN % -i8::one(),
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i16::MIN % -i16::one(),
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i32::MIN % -i32::one(),
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i64::MIN % -i64::one(),
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1isize % isize::zero(),
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1i8 % i8::zero(),
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1i16 % i16::zero(),
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1i32 % i32::zero(),
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1i64 % i64::zero()
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];
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}
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