98 lines
3.2 KiB
Rust
98 lines
3.2 KiB
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// ignore-win32 FIXME #13259
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#![no_uv]
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extern crate native;
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use std::os;
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use std::io::process::Command;
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use std::unstable::finally::Finally;
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use std::str;
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#[start]
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fn start(argc: int, argv: **u8) -> int { native::start(argc, argv, main) }
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#[inline(never)]
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fn foo() {
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fail!()
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}
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#[inline(never)]
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fn double() {
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(|| {
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fail!("once");
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}).finally(|| {
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fail!("twice");
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})
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}
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fn runtest(me: &str) {
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let mut env = os::env().move_iter()
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.map(|(ref k, ref v)| {
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(k.to_strbuf(), v.to_strbuf())
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}).collect::<Vec<(StrBuf,StrBuf)>>();
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match env.iter()
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.position(|&(ref s, _)| "RUST_BACKTRACE" == s.as_slice()) {
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Some(i) => { env.remove(i); }
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None => {}
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}
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env.push(("RUST_BACKTRACE".to_strbuf(), "1".to_strbuf()));
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// Make sure that the stack trace is printed
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let mut p = Command::new(me).arg("fail").env(env.as_slice()).spawn().unwrap();
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let out = p.wait_with_output().unwrap();
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assert!(!out.status.success());
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let s = str::from_utf8(out.error.as_slice()).unwrap();
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assert!(s.contains("stack backtrace") && s.contains("foo::h"),
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"bad output: {}", s);
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// Make sure the stack trace is *not* printed
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let mut p = Command::new(me).arg("fail").spawn().unwrap();
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let out = p.wait_with_output().unwrap();
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assert!(!out.status.success());
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let s = str::from_utf8(out.error.as_slice()).unwrap();
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assert!(!s.contains("stack backtrace") && !s.contains("foo::h"),
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"bad output2: {}", s);
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// Make sure a stack trace is printed
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let mut p = Command::new(me).arg("double-fail").spawn().unwrap();
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let out = p.wait_with_output().unwrap();
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assert!(!out.status.success());
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let s = str::from_utf8(out.error.as_slice()).unwrap();
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assert!(s.contains("stack backtrace") && s.contains("double::h"),
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"bad output3: {}", s);
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// Make sure a stack trace isn't printed too many times
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let mut p = Command::new(me).arg("double-fail").env(env.as_slice()).spawn().unwrap();
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let out = p.wait_with_output().unwrap();
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assert!(!out.status.success());
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let s = str::from_utf8(out.error.as_slice()).unwrap();
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let mut i = 0;
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for _ in range(0, 2) {
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i += s.slice_from(i + 10).find_str("stack backtrace").unwrap() + 10;
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}
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assert!(s.slice_from(i + 10).find_str("stack backtrace").is_none(),
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"bad output4: {}", s);
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}
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fn main() {
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let args = os::args();
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let args = args.as_slice();
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if args.len() >= 2 && args[1].as_slice() == "fail" {
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foo();
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} else if args.len() >= 2 && args[1].as_slice() == "double-fail" {
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double();
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} else {
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runtest(args[0].as_slice());
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}
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}
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