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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.
// ignore-cloudabi no processes
// ignore-emscripten no processes
fn check_for_no_backtrace(test: std::process::Output) {
assert!(!test.status.success());
let err = String::from_utf8_lossy(&test.stderr);
let mut it = err.lines();
assert_eq!(it.next().map(|l| l.starts_with("thread '<unnamed>' panicked at")), Some(true));
assert_eq!(it.next(), Some("note: Run with `RUST_BACKTRACE=1` for a backtrace."));
assert_eq!(it.next().map(|l| l.starts_with("thread 'main' panicked at")), Some(true));
assert_eq!(it.next(), None);
}
fn main() {
let args: Vec<String> = std::env::args().collect();
if args.len() > 1 && args[1] == "run_test" {
let _ = std::thread::spawn(|| {
panic!();
}).join();
panic!();
} else {
let test = std::process::Command::new(&args[0]).arg("run_test")
.env_remove("RUST_BACKTRACE")
.output()
.unwrap();
check_for_no_backtrace(test);
let test = std::process::Command::new(&args[0]).arg("run_test")
.env("RUST_BACKTRACE","0")
.output()
.unwrap();
check_for_no_backtrace(test);
}
}
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