// Copyright 2018 David Roundy <roundyd@physics.oregonstate.edu>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#[macro_use]
extern crate clapme;
use clapme::ClapMe;
#[test]
fn required_option() {
#[derive(ClapMe, PartialEq, Debug)]
struct Opt {
arg: i32,
}
assert!(
Opt::help_message("foo").contains("--arg")
);
assert_eq!(
Opt { arg: 7 },
Opt::from_iter(&["", "--arg", "7"]).unwrap());
assert!(Opt::from_iter(&["", "--arg"]).is_err());
}