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 // ignore-emscripten
  12 // compile-flags: -Z orbit=off
  13 // (blows the stack with MIR trans and no optimizations)
  14
  15 // Tests that the `vec!` macro does not overflow the stack when it is
  16 // given data larger than the stack.
  17
  18 const LEN: usize = 1 << 15;
  19
  20 use std::thread::Builder;
  21
  22 fn main() {
  23     assert!(Builder::new().stack_size(LEN / 2).spawn(|| {
  24         let vec = vec![[0; LEN]];
  25         assert_eq!(vec.len(), 1);
  26     }).unwrap().join().is_ok());
  27 }