src/test/run-pass-valgrind/exit-flushes.rs

   1 // no-prefer-dynamic
   2 // ignore-cloudabi
   3 // ignore-emscripten
   4 // ignore-sgx no processes
   5 // ignore-macos this needs valgrind 3.11 or higher; see
   6 // https://github.com/rust-lang/rust/pull/30365#issuecomment-165763679
   7
   8 use std::env;
   9 use std::process::{exit, Command};
  10
  11 fn main() {
  12     if env::args().len() > 1 {
  13         print!("hello!");
  14         exit(0);
  15     } else {
  16         let out = Command::new(env::args().next().unwrap()).arg("foo")
  17                           .output().unwrap();
  18         assert!(out.status.success());
  19         assert_eq!(String::from_utf8(out.stdout).unwrap(), "hello!");
  20         assert_eq!(String::from_utf8(out.stderr).unwrap(), "");
  21     }
  22 }