@Test(expected = CMSMergeException.class)
public void testUncompatibleMerge() throws CMSMergeException
{

    CountMinSketchAlt cms1 = new CountMinSketchAlt(1, 1, 0);
    CountMinSketchAlt cms2 = new CountMinSketchAlt(0.1, 0.1, 0);
    CountMinSketchAlt.merge(cms1, cms2);
}