rust/src/test/run-pass/out-of-stack-new-thread-no-split.rs
Alex Crichton b9d9a376ea rollup merge of #24385: aturon/unstable-scoped
Conflicts:
	src/libstd/thread/mod.rs
	src/test/bench/shootout-mandelbrot.rs
	src/test/bench/shootout-reverse-complement.rs
	src/test/run-pass/capturing-logging.rs
	src/test/run-pass/issue-9396.rs
	src/test/run-pass/tcp-accept-stress.rs
	src/test/run-pass/tcp-connect-timeouts.rs
	src/test/run-pass/tempfile.rs
2015-04-14 10:59:55 -07:00

50 lines
1.4 KiB
Rust

// Copyright 2012-2014 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.
//ignore-android
//ignore-freebsd
//ignore-ios
//ignore-dragonfly
//ignore-bitrig
#![feature(asm)]
use std::process::Command;
use std::env;
use std::thread;
// lifted from the test module
// Inlining to avoid llvm turning the recursive functions into tail calls,
// which doesn't consume stack.
#[inline(always)]
#[no_stack_check]
pub fn black_box<T>(dummy: T) { unsafe { asm!("" : : "r"(&dummy)) } }
#[no_stack_check]
fn recurse() {
let buf = [0; 10];
black_box(buf);
recurse();
}
fn main() {
let args: Vec<String> = env::args().collect();
if args.len() > 1 && args[1] == "recurse" {
thread::spawn(recurse).join();
} else {
let recurse = Command::new(&args[0]).arg("recurse").output().unwrap();
assert!(!recurse.status.success());
let error = String::from_utf8_lossy(&recurse.stderr);
println!("wut");
println!("`{}`", error);
assert!(error.contains("has overflowed its stack"));
}
}