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