#[cfg(debug_assertions)] use clap::{App, Arg}; #[test] #[cfg(debug_assertions)] #[should_panic = "`f` is not a name of an argument or a group."] fn arg_matches_if_present_wrong_arg() { let m = App::new("test") .arg(Arg::new("flag").short('f')) .try_get_matches_from(&["test", "-f"]) .unwrap(); assert!(m.is_present("flag")); m.is_present("f"); } #[test] #[cfg(debug_assertions)] #[should_panic = "`o` is not a name of an argument or a group."] fn arg_matches_value_of_wrong_arg() { let m = App::new("test") .arg(Arg::new("opt").short('o').takes_value(true)) .try_get_matches_from(&["test", "-o", "val"]) .unwrap(); assert_eq!(m.value_of("opt"), Some("val")); m.value_of("o"); } #[test] #[cfg(debug_assertions)] #[should_panic = "`seed` is not a name of a subcommand."] fn arg_matches_subcommand_matches_wrong_sub() { let m = App::new("test") .subcommand(App::new("speed")) .try_get_matches_from(&["test", "speed"]) .unwrap(); assert!(m.subcommand_matches("speed").is_some()); m.subcommand_matches("seed"); }