#![warn(rust_2018_idioms)] #![cfg(all(feature = "full", unix))] use tokio::process::Command; #[tokio::test] async fn arg0() { let mut cmd = Command::new("sh"); cmd.arg0("test_string").arg("-c").arg("echo $0"); let output = cmd.output().await.unwrap(); assert_eq!(output.stdout, b"test_string\n"); }