use mipl::prelude::*;

fn first_emphasized_in_line(parser: &mut Parser) -> Option<String> {
    let mut return_next: bool = false;

    for tok in parser {
        if let Token::Str(s) = tok {
            if s == "*" {
                return_next = true;
            } else if return_next {
                return Some(String::from(s))
            };
        } else {
            return None;
        }
    }

    None
}

#[test]
fn test_first_emphasized_in_line() {
    let d_vec: Vec<char> = vec![' '];
    let d_del = DiscardDelimiters::new(d_vec);
    let k_vec: Vec<char> = vec!['*'];
    let k_del = KeepDelimiters::new(k_vec);
    let del_param = DelimitersParam {
        keep: k_del, discard: d_del
    };

    let mut parser = Parser::from(
        "Can this check for *emphasis*?", 
        del_param
    );

    assert_eq!("emphasis", first_emphasized_in_line(&mut parser).unwrap());
}