@Test
public void testRatio() throws Exception {

    Region r1 = new Region(1, 2);
    Region r2 = new Region(0, 100);
    assertEquals(0.01, r1.ratio(r2));
    assertEquals(100.0, r2.ratio(r1));
    r1 = new Region(0f, 21402646f);
    r2 = new Region(0, 999);
    //assertTrue(r2.ratio(r1).doubleValue() > 0);
}