use magnus::{block::block_proc, define_global_function, function};

macro_rules! rb_assert {
    ($s:literal) => {
        assert!(magnus::eval::<bool>($s).unwrap())
    };
    ($s:literal, $($rest:tt)*) => {
        let result: bool = magnus::eval!($s, $($rest)*).unwrap();
        assert!(result)
    };
}

#[test]
fn it_makes_a_proc() {
    let _cleanup = unsafe { magnus::embed::init() };

    define_global_function("make_proc", function!(block_proc, 0));

    rb_assert!("Proc === make_proc { 1 + 1 }");
    rb_assert!("(make_proc { 1 + 1 }).call == 2");
    rb_assert!("begin; make_proc; rescue => e; end; ArgumentError === e");
}