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add run-fail tests

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This commit is contained in:
Matthew Piziak 2016-09-12 11:23:02 -04:00
parent f6c4fcf128
commit 19fd7fcce9
2 changed files with 46 additions and 0 deletions
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27
src/test/run-fail/iter-step-overflow-debug.rs Normal file
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// Copyright 2016 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.
// compile-flags: -C debug_assertions=yes
use std::panic;
fn main() {
let r = panic::catch_unwind(|| {
let mut it = u8::MAX..;
it.next();
});
assert!(r.is_err());
let r = panic::catch_unwind(|| {
let mut it = i8::MAX..;
it.next();
});
assert!(r.is_err());
}

19
src/test/run-fail/iter-step-overflow-ndebug.rs Normal file
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// Copyright 2016 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.
// compile-flags: -C debug_assertions=no
fn main() {
let mut it = u8::MAX..;
assert_eq!(it.next(), u8::MIN);
let mut it = i8::MAX..;
assert_eq!(it.next(), i8::MIN);
}