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// ignore-emscripten
// ignore-sgx no processes
// 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(), "");
}
}
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