| // run-pass |
| // ignore-android FIXME #17520 |
| // ignore-cloudabi spawning processes is not supported |
| // ignore-emscripten spawning processes is not supported |
| // ignore-openbsd no support for libbacktrace without filename |
| // ignore-sgx no processes |
| // ignore-msvc see #62897 and `backtrace-debuginfo.rs` test |
| // compile-flags:-g |
| |
| #![feature(backtrace)] |
| |
| use std::env; |
| use std::process::Command; |
| use std::str; |
| |
| fn main() { |
| let args: Vec<String> = env::args().collect(); |
| if args.len() >= 2 && args[1] == "force" { |
| println!("{}", std::backtrace::Backtrace::force_capture()); |
| } else if args.len() >= 2 { |
| println!("{}", std::backtrace::Backtrace::capture()); |
| } else { |
| runtest(&args[0]); |
| println!("test ok"); |
| } |
| } |
| |
| fn runtest(me: &str) { |
| env::remove_var("RUST_BACKTRACE"); |
| env::remove_var("RUST_LIB_BACKTRACE"); |
| |
| let p = Command::new(me).arg("a").env("RUST_BACKTRACE", "1").output().unwrap(); |
| assert!(p.status.success()); |
| assert!(String::from_utf8_lossy(&p.stdout).contains("stack backtrace:\n")); |
| assert!(String::from_utf8_lossy(&p.stdout).contains("backtrace::main")); |
| |
| let p = Command::new(me).arg("a").env("RUST_BACKTRACE", "0").output().unwrap(); |
| assert!(p.status.success()); |
| assert!(String::from_utf8_lossy(&p.stdout).contains("disabled backtrace\n")); |
| |
| let p = Command::new(me).arg("a").output().unwrap(); |
| assert!(p.status.success()); |
| assert!(String::from_utf8_lossy(&p.stdout).contains("disabled backtrace\n")); |
| |
| let p = Command::new(me) |
| .arg("a") |
| .env("RUST_LIB_BACKTRACE", "1") |
| .env("RUST_BACKTRACE", "1") |
| .output() |
| .unwrap(); |
| assert!(p.status.success()); |
| assert!(String::from_utf8_lossy(&p.stdout).contains("stack backtrace:\n")); |
| |
| let p = Command::new(me) |
| .arg("a") |
| .env("RUST_LIB_BACKTRACE", "0") |
| .env("RUST_BACKTRACE", "1") |
| .output() |
| .unwrap(); |
| assert!(p.status.success()); |
| assert!(String::from_utf8_lossy(&p.stdout).contains("disabled backtrace\n")); |
| |
| let p = Command::new(me) |
| .arg("force") |
| .env("RUST_LIB_BACKTRACE", "0") |
| .env("RUST_BACKTRACE", "0") |
| .output() |
| .unwrap(); |
| assert!(p.status.success()); |
| assert!(String::from_utf8_lossy(&p.stdout).contains("stack backtrace:\n")); |
| |
| let p = Command::new(me).arg("force").output().unwrap(); |
| assert!(p.status.success()); |
| assert!(String::from_utf8_lossy(&p.stdout).contains("stack backtrace:\n")); |
| } |