import Qt 4.7

QtObject {

    property int unsent

    property int opened

    property int headers_received

    property int loading

    property int done

    Component.onCompleted: {

        // Attempt to overwrite and delete values

        var x = new XMLHttpRequest();

        x.UNSENT = 9;

        x.OPENED = 9;

        x.HEADERS_RECEIVED = 9;

        x.LOADING = 9;

        x.DONE = 9;

        delete x.UNSENT;

        delete x.OPENED;

        delete x.HEADERS_RECEIVED;

        delete x.LOADING;

        delete x.DONE;

        unsent = x.UNSENT

        opened = x.OPENED

        headers_received = x.HEADERS_RECEIVED

        loading = x.LOADING

        done = x.DONE

    }

}