//! Contract: diff --help exits 0.
use std::path::PathBuf;
use std::process::Command;
fn binary() -> PathBuf {
PathBuf::from(env!("CARGO_BIN_EXE_keyhog"))
}
#[test]
fn diff_help_exits_zero() {
let output = Command::new(binary())
.args(["diff", "--help"])
.output()
.expect("spawn");
assert_eq!(output.status.code(), Some(0));
let stdout = String::from_utf8_lossy(&output.stdout);
assert!(
stdout.contains("before") || stdout.contains("Baseline"),
"diff help must describe baseline files; got: {stdout}"
);
}