assertEquals("i:6100;", representationOf(new Long(6100L))); assertEquals("i:-6100;", representationOf(new Long(-6100L)));
assertEquals("l:6100;", representationOf(new Long(6100L))); assertEquals("l:-6100;", representationOf(new Long(-6100L)));
    @Test public void representationOfLongs() throws Exception {        assertEquals("i:6100;", representationOf(new Long(6100L)));        assertEquals("i:-6100;", representationOf(new Long(-6100L)));    }