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// run-pass
// ignore-android FIXME #17520
// 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
// ignore-fuchsia Backtraces not symbolized
// compile-flags:-g
// compile-flags:-Cstrip=none
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!("stack backtrace:\n{}", std::backtrace::Backtrace::force_capture());
} else if args.len() >= 2 {
println!("stack backtrace:\n{}", 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"));
}
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