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#![feature(rustc_attrs)]
#![deny(warnings)]
use std::env;
use std::thread;
fn main() {
let should_fail = env::args().nth(1) == Some("bad".to_string());
assert_eq!(thread::spawn(debug_assert_eq).join().is_err(), should_fail);
assert_eq!(thread::spawn(debug_assert).join().is_err(), should_fail);
assert_eq!(thread::spawn(overflow).join().is_err(), should_fail);
}
fn debug_assert_eq() {
let mut hit1 = false;
let mut hit2 = false;
debug_assert_eq!({ hit1 = true; 1 }, { hit2 = true; 2 });
assert!(!hit1);
assert!(!hit2);
}
fn debug_assert() {
let mut hit = false;
debug_assert!({ hit = true; false });
assert!(!hit);
}
fn overflow() {
fn add(a: u8, b: u8) -> u8 { a + b }
add(200u8, 200u8);
}
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