@Test
public void addAccumulator() {

    final BooleanOrAccumulatorParam param = new BooleanOrAccumulatorParam();
    Assert.assertFalse(param.addAccumulator(false, false));
    Assert.assertTrue(param.addAccumulator(false, true));
    Assert.assertTrue(param.addAccumulator(true, false));
    Assert.assertTrue(param.addAccumulator(true, true));
}