#[test]
    fn delindex_on_non_empty_array() {
        let state = ::State::new(::JS_STRICT);
        assert!(state.loadstring("myscript", "var arr=[1,2,3];").is_ok());
        state.pushundefined();
        assert!(state.call(0).is_ok());
        state.getglobal("arr");
        state.delindex(1, 2);
        assert_eq!(state.getlength(1), 2);
    }