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// 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.
// ignore-fast this is executing itself
#[no_uv];
extern crate native;
use std::os;
use std::io::process::{Process, ProcessConfig};
use std::unstable::finally::Finally;
use std::str;
#[start]
fn start(argc: int, argv: **u8) -> int { native::start(argc, argv, main) }
#[inline(never)]
fn foo() {
fail!()
}
#[inline(never)]
fn double() {
(|| {
fail!("once");
}).finally(|| {
fail!("twice");
})
}
fn runtest(me: &str) {
let mut env = os::env();
match env.iter().position(|&(ref s, _)| "RUST_BACKTRACE" == *s) {
Some(i) => { env.remove(i); }
None => {}
}
env.push((~"RUST_BACKTRACE", ~"1"));
// Make sure that the stack trace is printed
let mut p = Process::configure(ProcessConfig {
program: me,
args: [~"fail"],
env: Some(env.as_slice()),
.. ProcessConfig::new()
}).unwrap();
let out = p.wait_with_output();
assert!(!out.status.success());
let s = str::from_utf8(out.error).unwrap();
assert!(s.contains("stack backtrace") && s.contains("foo::h"),
"bad output: {}", s);
// Make sure the stack trace is *not* printed
let mut p = Process::configure(ProcessConfig {
program: me,
args: [~"fail"],
.. ProcessConfig::new()
}).unwrap();
let out = p.wait_with_output();
assert!(!out.status.success());
let s = str::from_utf8(out.error).unwrap();
assert!(!s.contains("stack backtrace") && !s.contains("foo::h"),
"bad output2: {}", s);
// Make sure a stack trace is printed
let mut p = Process::configure(ProcessConfig {
program: me,
args: [~"double-fail"],
.. ProcessConfig::new()
}).unwrap();
let out = p.wait_with_output();
assert!(!out.status.success());
let s = str::from_utf8(out.error).unwrap();
assert!(s.contains("stack backtrace") && s.contains("double::h"),
"bad output3: {}", s);
// Make sure a stack trace isn't printed too many times
let mut p = Process::configure(ProcessConfig {
program: me,
args: [~"double-fail"],
env: Some(env.as_slice()),
.. ProcessConfig::new()
}).unwrap();
let out = p.wait_with_output();
assert!(!out.status.success());
let s = str::from_utf8(out.error).unwrap();
let mut i = 0;
for _ in range(0, 2) {
i += s.slice_from(i + 10).find_str("stack backtrace").unwrap() + 10;
}
assert!(s.slice_from(i + 10).find_str("stack backtrace").is_none(),
"bad output4: {}", s);
}
fn main() {
let args = os::args();
if args.len() >= 2 && args[1].as_slice() == "fail" {
foo();
} else if args.len() >= 2 && args[1].as_slice() == "double-fail" {
double();
} else {
runtest(args[0]);
}
}
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