| // Copyright 2015 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-prefer-dynamic |
| // ignore-cloudabi |
| // ignore-emscripten |
| // ignore-macos this needs valgrind 3.11 or higher; see |
| // https://github.com/rust-lang/rust/pull/30365#issuecomment-165763679 |
| |
| use std::env; |
| use std::process::{exit, Command}; |
| |
| fn main() { |
| if env::args().len() > 1 { |
| print!("hello!"); |
| exit(0); |
| } else { |
| let out = Command::new(env::args().next().unwrap()).arg("foo") |
| .output().unwrap(); |
| assert!(out.status.success()); |
| assert_eq!(String::from_utf8(out.stdout).unwrap(), "hello!"); |
| assert_eq!(String::from_utf8(out.stderr).unwrap(), ""); |
| } |
| } |
