extern crate clap;

use clap::{App, Arg};

#[test]
fn opt_default_no_delim() {
    let m = App::new("no_delim")
        .arg(Arg::with_name("option")
            .long("option")
            .takes_value(true))
        .get_matches_from_safe(vec![
            "",
            "--option", "val1,val2,val3",
        ]);

    assert!(m.is_ok());
    let m = m.unwrap();

    assert!(m.is_present("option"));
    assert_eq!(m.occurrences_of("option"), 1);
    assert_eq!(m.value_of("option").unwrap(), "val1,val2,val3");
}

#[test]
fn opt_eq_no_delim() {
    let m = App::new("no_delim")
        .arg(Arg::with_name("option")
            .long("option")
            .takes_value(true))
        .get_matches_from_safe(vec![
            "",
            "--option=val1,val2,val3",
        ]);

    assert!(m.is_ok());
    let m = m.unwrap();

    assert!(m.is_present("option"));
    assert_eq!(m.occurrences_of("option"), 1);
    assert_eq!(m.value_of("option").unwrap(), "val1,val2,val3");
}

#[test]
fn opt_s_eq_no_delim() {
    let m = App::new("no_delim")
        .arg(Arg::with_name("option")
            .short("o")
            .takes_value(true))
        .get_matches_from_safe(vec![
            "",
            "-o=val1,val2,val3",
        ]);

    assert!(m.is_ok(), "{:?}", m.unwrap_err());
    let m = m.unwrap();

    assert!(m.is_present("option"));
    assert_eq!(m.occurrences_of("option"), 1);
    assert_eq!(m.value_of("option").unwrap(), "val1,val2,val3");
}

#[test]
fn opt_s_default_no_delim() {
    let m = App::new("no_delim")
        .arg(Arg::with_name("option")
            .short("o")
            .takes_value(true))
        .get_matches_from_safe(vec![
            "",
            "-o", "val1,val2,val3",
        ]);

    assert!(m.is_ok(), "{:?}", m.unwrap_err());
    let m = m.unwrap();

    assert!(m.is_present("option"));
    assert_eq!(m.occurrences_of("option"), 1);
    assert_eq!(m.value_of("option").unwrap(), "val1,val2,val3");
}

#[test]
fn opt_s_no_space_no_delim() {
    let m = App::new("no_delim")
        .arg(Arg::with_name("option")
            .short("o")
            .takes_value(true))
        .get_matches_from_safe(vec![
            "",
            "-o", "val1,val2,val3",
        ]);

    assert!(m.is_ok());
    let m = m.unwrap();

    assert!(m.is_present("option"));
    assert_eq!(m.occurrences_of("option"), 1);
    assert_eq!(m.value_of("option").unwrap(), "val1,val2,val3");
}

#[test]
fn opt_s_no_space_mult_no_delim() {
    let m = App::new("no_delim")
        .arg(Arg::with_name("option")
            .short("o")
            .multiple(true)
            .takes_value(true))
        .get_matches_from_safe(vec![
            "",
            "-o", "val1,val2,val3",
        ]);

    assert!(m.is_ok());
    let m = m.unwrap();

    assert!(m.is_present("option"));
    assert_eq!(m.occurrences_of("option"), 1);
    assert_eq!(m.value_of("option").unwrap(), "val1,val2,val3");
}

#[test]
fn opt_eq_mult_def_delim() {
    let m = App::new("no_delim")
        .arg(Arg::with_name("option")
            .long("opt")
            .multiple(true)
            .use_delimiter(true)
            .takes_value(true))
        .get_matches_from_safe(vec![
            "",
            "--opt=val1,val2,val3",
        ]);

    assert!(m.is_ok());
    let m = m.unwrap();

    assert!(m.is_present("option"));
    assert_eq!(m.occurrences_of("option"), 1);
    assert_eq!(m.values_of("option").unwrap().collect::<Vec<_>>(), &["val1", "val2", "val3"]);
}