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firefox/third_party/rust/tokio/tests/process_smoke.rs
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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Rust

#![warn(rust_2018_idioms)]
#![cfg(all(feature = "full", not(target_os = "wasi")))] // Wasi cannot run system commands
use tokio::process::Command;
use tokio_test::assert_ok;
#[tokio::test]
async fn simple() {
let mut cmd;
if cfg!(windows) {
cmd = Command::new("cmd");
cmd.arg("/c");
} else {
cmd = Command::new("sh");
cmd.arg("-c");
}
let mut child = cmd.arg("exit 2").spawn().unwrap();
let id = child.id().expect("missing id");
assert!(id > 0);
let status = assert_ok!(child.wait().await);
assert_eq!(status.code(), Some(2));
// test that the `.wait()` method is fused just like the stdlib
let status = assert_ok!(child.wait().await);
assert_eq!(status.code(), Some(2));
// Can't get id after process has exited
assert_eq!(child.id(), None);
drop(child.kill());
}