@Test public void one_more() { assertFalse(Ack.one(2).isSuccess()); }
@Test public void one_1() { assertTrue(Ack.one(1).isSuccess()); }
@Test public void validate_false() { assertFalse(Ack.validate(false).isSuccess()); }
@Test public void one_0() { assertFalse(Ack.one(0).isSuccess()); }
@Test public void validate_true() { assertTrue(Ack.validate(true).isSuccess()); }