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