mirror of https://github.com/rust-lang/rust
75 lines
2.5 KiB
Rust
75 lines
2.5 KiB
Rust
//@ run-pass
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//@ ignore-android FIXME #17520
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//@ ignore-wasm32 spawning processes is not supported
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//@ ignore-openbsd no support for libbacktrace without filename
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//@ ignore-sgx no processes
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//@ ignore-msvc see #62897 and `backtrace-debuginfo.rs` test
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//@ ignore-fuchsia Backtraces not symbolized
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//@ compile-flags:-g
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//@ compile-flags:-Cstrip=none
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use std::env;
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use std::process::Command;
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use std::str;
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fn main() {
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let args: Vec<String> = env::args().collect();
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if args.len() >= 2 && args[1] == "force" {
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println!("stack backtrace:\n{}", std::backtrace::Backtrace::force_capture());
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} else if args.len() >= 2 {
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println!("stack backtrace:\n{}", std::backtrace::Backtrace::capture());
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} else {
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runtest(&args[0]);
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println!("test ok");
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}
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}
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fn runtest(me: &str) {
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env::remove_var("RUST_BACKTRACE");
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env::remove_var("RUST_LIB_BACKTRACE");
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let p = Command::new(me).arg("a").env("RUST_BACKTRACE", "1").output().unwrap();
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assert!(p.status.success());
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assert!(String::from_utf8_lossy(&p.stdout).contains("stack backtrace:\n"));
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assert!(String::from_utf8_lossy(&p.stdout).contains("backtrace::main"));
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let p = Command::new(me).arg("a").env("RUST_BACKTRACE", "0").output().unwrap();
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assert!(p.status.success());
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assert!(String::from_utf8_lossy(&p.stdout).contains("disabled backtrace\n"));
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let p = Command::new(me).arg("a").output().unwrap();
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assert!(p.status.success());
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assert!(String::from_utf8_lossy(&p.stdout).contains("disabled backtrace\n"));
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let p = Command::new(me)
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.arg("a")
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.env("RUST_LIB_BACKTRACE", "1")
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.env("RUST_BACKTRACE", "1")
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.output()
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.unwrap();
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assert!(p.status.success());
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assert!(String::from_utf8_lossy(&p.stdout).contains("stack backtrace:\n"));
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let p = Command::new(me)
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.arg("a")
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.env("RUST_LIB_BACKTRACE", "0")
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.env("RUST_BACKTRACE", "1")
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.output()
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.unwrap();
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assert!(p.status.success());
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assert!(String::from_utf8_lossy(&p.stdout).contains("disabled backtrace\n"));
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let p = Command::new(me)
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.arg("force")
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.env("RUST_LIB_BACKTRACE", "0")
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.env("RUST_BACKTRACE", "0")
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.output()
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.unwrap();
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assert!(p.status.success());
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assert!(String::from_utf8_lossy(&p.stdout).contains("stack backtrace:\n"));
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let p = Command::new(me).arg("force").output().unwrap();
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assert!(p.status.success());
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assert!(String::from_utf8_lossy(&p.stdout).contains("stack backtrace:\n"));
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}
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