src/test/run-pass/running-with-no-runtime.rs

   1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 #![feature(start, std_misc)]
  12
  13 use std::ffi::CStr;
  14 use std::process::{Command, Output};
  15 use std::rt::unwind::try;
  16 use std::str;
  17
  18 #[start]
  19 fn start(argc: isize, argv: *const *const u8) -> isize {
  20     if argc > 1 {
  21         unsafe {
  22             match **argv.offset(1) as char {
  23                 '1' => {}
  24                 '2' => println!("foo"),
  25                 '3' => assert!(try(|| {}).is_ok()),
  26                 '4' => assert!(try(|| panic!()).is_err()),
  27                 '5' => assert!(Command::new("test").spawn().is_err()),
  28                 _ => panic!()
  29             }
  30         }
  31         return 0
  32     }
  33
  34     let args = unsafe {
  35         (0..argc as usize).map(|i| {
  36             let ptr = *argv.offset(i as isize) as *const _;
  37             CStr::from_ptr(ptr).to_bytes().to_vec()
  38         }).collect::<Vec<_>>()
  39     };
  40     let me = String::from_utf8(args[0].to_vec()).unwrap();
  41
  42     pass(Command::new(&me).arg("1").output().unwrap());
  43     pass(Command::new(&me).arg("2").output().unwrap());
  44     pass(Command::new(&me).arg("3").output().unwrap());
  45     pass(Command::new(&me).arg("4").output().unwrap());
  46     pass(Command::new(&me).arg("5").output().unwrap());
  47
  48     0
  49 }
  50
  51 fn pass(output: Output) {
  52     if !output.status.success() {
  53         println!("{:?}", str::from_utf8(&output.stdout));
  54         println!("{:?}", str::from_utf8(&output.stderr));
  55     }
  56 }