use rhai::Engine;

#[test]
fn test_not() {
    let mut engine = Engine::new();

    assert_eq!(
        engine
            .eval::<bool>("let not_true = !true; not_true")
            .unwrap(),
        false
    );

    assert_eq!(
        engine.eval::<bool>("fn not(x) { !x } not(false)").unwrap(),
        true
    );

    // TODO - do we allow stacking unary operators directly? e.g '!!!!!!!true'
    assert_eq!(engine.eval::<bool>("!(!(!(!(true))))").unwrap(), true)
}