@Test
public void divide() {

    assertEquals(1, AggregationUtils.divide(10, 10), delta);
    assertEquals(1, AggregationUtils.divide(10L, 10F), delta);
    assertEquals(1, AggregationUtils.divide(10F, 10D), delta);
    assertEquals(1, AggregationUtils.divide(10D, 10L), delta);
}