60 lines
1.6 KiB
Rust
60 lines
1.6 KiB
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// ignore-emscripten no threads support
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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() -> $t { 0 }
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fn one() -> $t { 1 }
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})*)
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}
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doit! { i8 i16 i32 i64 isize }
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macro_rules! check {
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($($e:expr),*) => {
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$(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_value() / -isize::one(),
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i8::min_value() / -i8::one(),
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i16::min_value() / -i16::one(),
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i32::min_value() / -i32::one(),
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i64::min_value() / -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_value() % -isize::one(),
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i8::min_value() % -i8::one(),
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i16::min_value() % -i16::one(),
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i32::min_value() % -i32::one(),
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i64::min_value() % -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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