assertTrue(null, p.isMoreThan());
assertFalse(null, p.isLessThan());
p = p.at();
assertFalse(null, p.isMoreThan());
assertFalse(null, p.isLessThan());
p = p.lessThan();
assertFalse(null, p.isMoreThan());
assertTrue(null, p.isLessThan());
p = p.moreThan();
assertTrue(null, p.isMoreThan());
assertFalse(null, p.isLessThan());