use jmbl::{Value, OpOutput, JMBL};
use litl::Val;

#[test]
fn unsets_make_value_null() {
    let mut jmbl = JMBL::new_from_root(
        |view| view.create_map([
            ("a", Value::Plain(Val::number(1.0))),
            ("b", "hello".into()),
        ]),
        OpOutput::new_dummy(),
    );

    let jmbl1 = jmbl.readable.clone();

    assert_eq!(
        jmbl1.get_root().if_map().unwrap().get("a"),
        Value::plain(Val::number(1.0))
    );
    assert_eq!(
        jmbl1.get_root().if_map().unwrap().get("b"),
        Value::str("hello")
    );

    jmbl.change(|root, _| root.if_map_mut().unwrap().delete("b"));

    let jmbl2 = jmbl.readable.clone();

    assert_eq!(
        jmbl2.get_root().if_map().unwrap().get("b"),
        Value::plain(Val::null())
    );
    assert_eq!(
        jmbl2.get_root().if_map().unwrap().val_to_litl(),
        Val::object([("a", Val::number(1.0)), ("b", Val::null())])
    );
}