mirror of https://github.com/rust-lang/rust
41 lines
1.6 KiB
Rust
41 lines
1.6 KiB
Rust
//@ run-pass
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//@ ignore-wasm32 no processes
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//@ ignore-sgx no processes
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//@ needs-unwind
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fn check_for_no_backtrace(test: std::process::Output) {
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assert!(!test.status.success());
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let err = String::from_utf8_lossy(&test.stderr);
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let mut it = err.lines();
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assert_eq!(it.next().map(|l| l.starts_with("thread '<unnamed>' panicked")), Some(true));
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assert_eq!(it.next().is_some(), true);
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assert_eq!(it.next(), Some("note: run with `RUST_BACKTRACE=1` \
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environment variable to display a backtrace"));
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assert_eq!(it.next().map(|l| l.starts_with("thread 'main' panicked at")), Some(true));
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assert_eq!(it.next().is_some(), true);
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assert_eq!(it.next(), None);
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}
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fn main() {
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let args: Vec<String> = std::env::args().collect();
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if args.len() > 1 && args[1] == "run_test" {
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let _ = std::thread::spawn(|| {
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panic!();
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}).join();
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panic!();
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} else {
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let test = std::process::Command::new(&args[0]).arg("run_test")
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.env_remove("RUST_BACKTRACE")
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.output()
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.unwrap();
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check_for_no_backtrace(test);
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let test = std::process::Command::new(&args[0]).arg("run_test")
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.env("RUST_BACKTRACE","0")
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.output()
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.unwrap();
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check_for_no_backtrace(test);
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}
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}
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