if (crudMode != expectedMode) {
            throwValidationError(messages -> {
                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(crudMode));
            }, this::asListHtml);
        }
    }

    // ===================================================================================

  }

  private static final class NullFriendlyComparator<T> implements Comparator<T>, Serializable {
    @Override
    public int compare(T left, T right) {
      return String.valueOf(left).compareTo(String.valueOf(right));
    }
  }

    BigIntegerDomain() {
      super(true);
    }

    private static final BigInteger MIN_LONG = BigInteger.valueOf(Long.MIN_VALUE);
    private static final BigInteger MAX_LONG = BigInteger.valueOf(Long.MAX_VALUE);

    @Override
    public BigInteger next(BigInteger value) {
      return value.add(BigInteger.ONE);
    }

    @Override

        if (crudMode != expectedMode) {
            throwValidationError(messages -> {
                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(crudMode));
            }, this::asListHtml);
        }
    }

    // ===================================================================================

        if (crudMode != expectedMode) {
            throwValidationError(messages -> {
                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(crudMode));
            }, this::asListHtml);
        }
    }

    // ===================================================================================

        FessProp.propMap.clear();
        FessConfig fessConfig = new FessConfig.SimpleImpl() {
            @Override
            public Integer getLdapMaxUsernameLengthAsInteger() {
                return Integer.valueOf(-1);
            }
        };
        File file = File.createTempFile("test", ".properties");
        file.deleteOnExit();

        final Map<String, Object> searchBody = new HashMap<>();
        final String response = checkMethodBase(searchBody).get(API_PATH + "/" + LIST_ENDPOINT_SUFFIX).asString();
        assertEquals(Integer.valueOf(0), JsonPath.from(response).get("response.status"));
    }

    @Override
    protected void tearDown() {
        // do nothing
    }

    @Test
    void crudTest() {
        testRead();
    }

   * infinite {@code double} values are considered infinitely far away. For example, 2^2000 is not
   * representable as a double, but {@code roundToDouble(BigDecimal.valueOf(2).pow(2000), HALF_UP)}
   * will return {@code Double.MAX_VALUE}, not {@code Double.POSITIVE_INFINITY}.
   *
   * <p>For the case of {@link RoundingMode#HALF_EVEN}, this implementation uses the IEEE 754

      new Converter<String, Long>() {
        @Override
        protected Long doForward(String object) {
          return Long.valueOf(object);
        }

        @Override
        protected String doBackward(Long object) {
          return String.valueOf(object);
        }

        @Override
        public String toString() {
          return "string2long";
        }
      };

/**
 * @author higa
 *
 */
public class LongConversionUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testToLong() throws Exception {
        assertEquals(Long.valueOf("1000"), LongConversionUtil.toLong("1,000"));
    }

    /**
     * @throws Exception
     */
    public void testToPrimitiveLong() throws Exception {