@Override
    double roundToDoubleArbitrarily(BigDecimal bigDecimal) {
      return bigDecimal.doubleValue();
    }

    @Override
    int sign(BigDecimal bigDecimal) {
      return bigDecimal.signum();
    }

    @Override
    BigDecimal toX(double d, RoundingMode mode) {
      return new BigDecimal(d);
    }

    @Override
    BigDecimal minus(BigDecimal a, BigDecimal b) {
      return a.subtract(b);
    }
  }

            displaySize = new BigDecimal(size.divide(ONE_PB_BI)).divide(BigDecimal.valueOf(1000)) + "EB";
        } else if (size.divide(ONE_PB_BI).compareTo(BigInteger.ZERO) > 0) {
            displaySize = new BigDecimal(size.divide(ONE_TB_BI)).divide(BigDecimal.valueOf(1000)) + "PB";
        } else if (size.divide(ONE_TB_BI).compareTo(BigInteger.ZERO) > 0) {

            }

            @Override
            public BigDecimal getQueryBoostTitleAsDecimal() {
                return new BigDecimal("0.5");
            }

            @Override
            public String getQueryBoostContent() {
                return "0.05";
            }

            @Override
            public BigDecimal getQueryBoostContentAsDecimal() {
                return new BigDecimal("0.05");

            }

            @Override
            public BigDecimal getQueryBoostTitleLangAsDecimal() {
                return new BigDecimal("1.0");
            }

            @Override
            public BigDecimal getQueryBoostContentLangAsDecimal() {
                return new BigDecimal("0.5");
            }

            @Override

     * @return The converted {@link BigDecimal}
     */
    public static BigDecimal toBigDecimal(final Object o, final String pattern) {
        if (o == null) {
            return null;
        } else if (o instanceof BigDecimal) {
            return (BigDecimal) o;
        } else if (o instanceof java.util.Date) {
            if (pattern != null) {
                return new BigDecimal(new SimpleDateFormat(pattern).format(o));

  public void testRoundToDouble_maxDouble() {
    BigDecimal maxDoubleAsBigDecimal = new BigDecimal(Double.MAX_VALUE);
    new RoundToDoubleTester(maxDoubleAsBigDecimal)
        .setExpectation(Double.MAX_VALUE, values())
        .test();
  }

  public void testRoundToDouble_maxDoublePlusOne() {
    BigDecimal maxDoubleAsBigDecimal = new BigDecimal(Double.MAX_VALUE).add(BigDecimal.ONE);
    new RoundToDoubleTester(maxDoubleAsBigDecimal)

    @Override
    double roundToDoubleArbitrarily(BigDecimal bigDecimal) {
      return bigDecimal.doubleValue();
    }

    @Override
    int sign(BigDecimal bigDecimal) {
      return bigDecimal.signum();
    }

    @Override
    BigDecimal toX(double d, RoundingMode mode) {
      return new BigDecimal(d);
    }

    @Override
    BigDecimal minus(BigDecimal a, BigDecimal b) {
      return a.subtract(b);
    }
  }

  private static final BigDecimal MAX_INT_AS_BIG_DECIMAL = BigDecimal.valueOf(Integer.MAX_VALUE);
  private static final BigDecimal MIN_INT_AS_BIG_DECIMAL = BigDecimal.valueOf(Integer.MIN_VALUE);

  private static final BigDecimal MAX_LONG_AS_BIG_DECIMAL = BigDecimal.valueOf(Long.MAX_VALUE);
  private static final BigDecimal MIN_LONG_AS_BIG_DECIMAL = BigDecimal.valueOf(Long.MIN_VALUE);

            @Override
            public BigDecimal getQueryBoostTitleAsDecimal() {
                return baseConfig.getQueryBoostTitleAsDecimal();
            }

            @Override
            public BigDecimal getQueryBoostContentAsDecimal() {
                return baseConfig.getQueryBoostContentAsDecimal();
            }

            @Override
            public BigDecimal getQueryBoostFuzzyTitleAsDecimal() {

        assertTrue(result.isPresent());
        assertEquals(testValue, result.get());
    }

    public void test_ofNullable_withBigDecimal() {
        BigDecimal testValue = new BigDecimal("123.456");
        OptionalEntity<BigDecimal> result = OptionalUtil.ofNullable(testValue);

        assertNotNull(result);
        assertTrue(result.isPresent());
        assertEquals(testValue, result.get());
    }