| // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // ignore-emscripten no threads support |
| #![feature(rustc_attrs)] |
| |
| use std::thread; |
| |
| trait Int { |
| fn zero() -> Self; |
| fn one() -> Self; |
| } |
| macro_rules! doit { |
| ($($t:ident)*) => ($(impl Int for $t { |
| fn zero() -> $t { 0 } |
| fn one() -> $t { 1 } |
| })*) |
| } |
| doit! { i8 i16 i32 i64 isize } |
| |
| macro_rules! check { |
| ($($e:expr),*) => { |
| $(assert!(thread::spawn({ |
| move|| { $e; } |
| }).join().is_err());)* |
| } |
| } |
| |
| fn main() { |
| check![ |
| isize::min_value() / -isize::one(), |
| i8::min_value() / -i8::one(), |
| i16::min_value() / -i16::one(), |
| i32::min_value() / -i32::one(), |
| i64::min_value() / -i64::one(), |
| 1isize / isize::zero(), |
| 1i8 / i8::zero(), |
| 1i16 / i16::zero(), |
| 1i32 / i32::zero(), |
| 1i64 / i64::zero(), |
| isize::min_value() % -isize::one(), |
| i8::min_value() % -i8::one(), |
| i16::min_value() % -i16::one(), |
| i32::min_value() % -i32::one(), |
| i64::min_value() % -i64::one(), |
| 1isize % isize::zero(), |
| 1i8 % i8::zero(), |
| 1i16 % i16::zero(), |
| 1i32 % i32::zero(), |
| 1i64 % i64::zero() |
| ]; |
| } |