use std::rc::Rc;

use glib::prelude::ToValue;

#[test]
fn test_param_extraction() -> anyhow::Result<()> {
    macro_rules! signal {
        ($($param:expr),*) => {
            woab::Signal::new(
                Rc::new("signal".to_owned()),
                vec![$(
                    $param.to_value()
                ),*],
                ()
            )
        }
    }
    #[allow(clippy::let_unit_value)]
    let () = signal!().params()?;
    match signal!(1i32, "two").params() {
        Err(woab::Error::NotAllParametersExtracted {
            signal,
            num_parameters,
            num_extracted,
        }) => {
            assert_eq!(signal, "signal");
            assert_eq!(num_parameters, 2);
            assert_eq!(num_extracted, 0);
        }
        Ok(woab::params!()) => {
            panic!("Should have failed");
        }
        Err(err) => return Err(err.into()),
    }

    let woab::params!(a: i32, b: String) = signal!(3i32, "four").params()?;
    assert_eq!(a, 3);
    assert_eq!(b, "four");

    let woab::params!(c: i32, _, d: Vec<String>) = signal!(5i32, "six", ["seven", "eight"]).params()?;
    assert_eq!(c, 5);
    assert_eq!(d, ["seven", "eight"]);
    Ok(())
}