public void add() {
        add(1L, defaultPosition);
    }
@Test
    final void testAddLong() {
        final String metricName = "unitTestCounter";
        Counter c = receiver.declareCounter(metricName);
        final long twoToThePowerOfFourtyeight = 65536L * 65536L * 65536L;
        c.add(twoToThePowerOfFourtyeight);
        Bucket b = receiver.getSnapshot();
        final Map<String, List<Entry<Point, UntypedMetric>>> valuesByMetricName = b.getValuesByMetricName();
        assertEquals(1, valuesByMetricName.size());
        List<Entry<Point, UntypedMetric>> x = valuesByMetricName.get(metricName);
        assertEquals(1, x.size());
        assertEquals(Point.emptyPoint(), x.get(0).getKey());
        assertEquals(twoToThePowerOfFourtyeight, x.get(0).getValue().getCount());
    }