2 // ignore-emscripten no processes
3 // ignore-sgx no processes
5 fn check_for_no_backtrace(test: std::process::Output) {
6 assert!(!test.status.success());
7 let err = String::from_utf8_lossy(&test.stderr);
8 let mut it = err.lines();
10 assert_eq!(it.next().map(|l| l.starts_with("thread '<unnamed>' panicked at")), Some(true));
11 assert_eq!(it.next(), Some("note: run with `RUST_BACKTRACE=1` \
12 environment variable to display a backtrace"));
13 assert_eq!(it.next().map(|l| l.starts_with("thread 'main' panicked at")), Some(true));
14 assert_eq!(it.next(), None);
18 let args: Vec<String> = std::env::args().collect();
19 if args.len() > 1 && args[1] == "run_test" {
20 let _ = std::thread::spawn(|| {
26 let test = std::process::Command::new(&args[0]).arg("run_test")
27 .env_remove("RUST_BACKTRACE")
30 check_for_no_backtrace(test);
31 let test = std::process::Command::new(&args[0]).arg("run_test")
32 .env("RUST_BACKTRACE","0")
35 check_for_no_backtrace(test);