| // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // no-pretty-expanded FIXME #15189 |
| // ignore-android FIXME #17520 |
| // compile-flags:-g |
| |
| use std::env; |
| use std::process::{Command, Stdio}; |
| use std::str; |
| |
| #[inline(never)] |
| fn foo() { |
| let _v = vec![1, 2, 3]; |
| if env::var_os("IS_TEST").is_some() { |
| panic!() |
| } |
| } |
| |
| #[inline(never)] |
| fn double() { |
| struct Double; |
| |
| impl Drop for Double { |
| fn drop(&mut self) { panic!("twice") } |
| } |
| |
| let _d = Double; |
| |
| panic!("once"); |
| } |
| |
| fn template(me: &str) -> Command { |
| let mut m = Command::new(me); |
| m.env("IS_TEST", "1") |
| .stdout(Stdio::piped()) |
| .stderr(Stdio::piped()); |
| return m; |
| } |
| |
| fn expected(fn_name: &str) -> String { |
| // FIXME(#32481) |
| // |
| // On windows, we read the function name from debuginfo using some |
| // system APIs. For whatever reason, these APIs seem to use the |
| // "name" field, which is only the "relative" name, not the full |
| // name with namespace info, so we just see `foo` and not |
| // `backtrace::foo` as we see on linux (which uses the linkage |
| // name). |
| if cfg!(windows) && cfg!(target_env = "msvc") { |
| format!(" - {}", fn_name) |
| } else { |
| format!(" - backtrace::{}", fn_name) |
| } |
| } |
| |
| fn runtest(me: &str) { |
| // Make sure that the stack trace is printed |
| let p = template(me).arg("fail").env("RUST_BACKTRACE", "1").spawn().unwrap(); |
| let out = p.wait_with_output().unwrap(); |
| assert!(!out.status.success()); |
| let s = str::from_utf8(&out.stderr).unwrap(); |
| assert!(s.contains("stack backtrace") && s.contains(&expected("foo")), |
| "bad output: {}", s); |
| |
| // Make sure the stack trace is *not* printed |
| // (Remove RUST_BACKTRACE from our own environment, in case developer |
| // is running `make check` with it on.) |
| let p = template(me).arg("fail").env_remove("RUST_BACKTRACE").spawn().unwrap(); |
| let out = p.wait_with_output().unwrap(); |
| assert!(!out.status.success()); |
| let s = str::from_utf8(&out.stderr).unwrap(); |
| assert!(!s.contains("stack backtrace") && !s.contains(&expected("foo")), |
| "bad output2: {}", s); |
| |
| // Make sure the stack trace is *not* printed |
| // (RUST_BACKTRACE=0 acts as if it were unset from our own environment, |
| // in case developer is running `make check` with it set.) |
| let p = template(me).arg("fail").env("RUST_BACKTRACE","0").spawn().unwrap(); |
| let out = p.wait_with_output().unwrap(); |
| assert!(!out.status.success()); |
| let s = str::from_utf8(&out.stderr).unwrap(); |
| assert!(!s.contains("stack backtrace") && !s.contains(" - foo"), |
| "bad output3: {}", s); |
| |
| // Make sure a stack trace is printed |
| let p = template(me).arg("double-fail").spawn().unwrap(); |
| let out = p.wait_with_output().unwrap(); |
| assert!(!out.status.success()); |
| let s = str::from_utf8(&out.stderr).unwrap(); |
| // loosened the following from double::h to double:: due to |
| // spurious failures on mac, 32bit, optimized |
| assert!(s.contains("stack backtrace") && s.contains(&expected("double")), |
| "bad output3: {}", s); |
| |
| // Make sure a stack trace isn't printed too many times |
| let p = template(me).arg("double-fail") |
| .env("RUST_BACKTRACE", "1").spawn().unwrap(); |
| let out = p.wait_with_output().unwrap(); |
| assert!(!out.status.success()); |
| let s = str::from_utf8(&out.stderr).unwrap(); |
| let mut i = 0; |
| for _ in 0..2 { |
| i += s[i + 10..].find("stack backtrace").unwrap() + 10; |
| } |
| assert!(s[i + 10..].find("stack backtrace").is_none(), |
| "bad output4: {}", s); |
| } |
| |
| fn main() { |
| if cfg!(windows) && cfg!(target_env = "gnu") { |
| return |
| } |
| |
| let args: Vec<String> = env::args().collect(); |
| if args.len() >= 2 && args[1] == "fail" { |
| foo(); |
| } else if args.len() >= 2 && args[1] == "double-fail" { |
| double(); |
| } else { |
| runtest(&args[0]); |
| } |
| } |