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[rustc.git] / src / test / run-pass / issue-28950.rs
1 // Copyright 2012-2016 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
4 //
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
10
11 // Tests that the `vec!` macro does not overflow the stack when it is
12 // given data larger than the stack.
13
14 const LEN: usize = 1 << 15;
15
16 use std::thread::Builder;
17
18 fn main() {
19 assert!(Builder::new().stack_size(LEN / 2).spawn(|| {
20 let vec = vec![[0; LEN]];
21 assert_eq!(vec.len(), 1);
22 }).unwrap().join().is_ok());
23 }