/**
     * Provides messages including edge cases (null and empty) for parameterized testing.
     */
    static Stream<Arguments> messages() {
        return Stream.of(Arguments.of((String) null), Arguments.of(""), Arguments.of("unexpected downgrade"));
    }

    @Test
    @DisplayName("Default ctor: null message/cause; toString is class name; type hierarchy")

        return new ObjectiveProperties(resourcePath) { // for e.g. checking existence and filtering value
            Cache<String, String> cache = CacheBuilder.newBuilder().build();

            @Override
            public String get(final String propertyKey) {
                final String plainValue = getFromCache(propertyKey);

  /**
   * Returns an {@code UnsignedInteger} holding the value of the specified {@code String}, parsed as
   * an unsigned {@code int} value.
   *
   * @throws NumberFormatException if the string does not contain a parsable unsigned {@code int}
   *     value
   */
  public static UnsignedInteger valueOf(String string) {
    return valueOf(string, 10);
  }

  /**

 * there is no guarantee that the domain actually exists on the internet.
 *
 * <p>One common use of this class is to determine whether a given string is likely to represent an
 * addressable domain on the web -- that is, for a candidate string {@code "xxx"}, might browsing to
 * {@code "http://xxx/"} result in a webpage being displayed? In the past, this test was frequently

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.crawling_info";
    }

    @Override
    public String asEsIndexType() {
        return "crawling_info";
    }

    @Override
    public String asEsSearchType() {
        return "crawling_info";
    }

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.elevate_word";
    }

    @Override
    public String asEsIndexType() {
        return "elevate_word";
    }

    @Override
    public String asEsSearchType() {
        return "elevate_word";
    }

    @Override
    public String asTableDbName() {
        return asEsIndexType();
    }

    @Override
    protected String asEsIndex() {
        return "fess_config.path_mapping";
    }

    @Override
    public String asEsIndexType() {
        return "path_mapping";
    }

    @Override
    public String asEsSearchType() {
        return "path_mapping";
    }

   *
   * @param string the literal string to be escaped
   * @return the escaped form of {@code string}
   * @throws NullPointerException if {@code string} is null
   * @throws IllegalArgumentException if invalid surrogate characters are encountered
   */
  @Override
  public String escape(String string) {
    checkNotNull(string);
    int end = string.length();

    random.nextBytes(bytes);
    String string = new String(bytes, US_ASCII);
    assertEquals(
        hashFunction.hashUnencodedChars(string),
        hashFunction.newHasher().putUnencodedChars(string).hash());
    for (Charset charset : CHARSETS) {
      assertEquals(
          hashFunction.hashString(string, charset),
          hashFunction.newHasher().putString(string, charset).hash());
    }
  }

  /**

        assertArgumentNotNull("hoge", null);
    }

    /**
     * Test method for
     * {@link org.codelibs.core.misc.AssertionUtil#assertArgument(String, boolean, String)}
     * .
     */
    @Test
    public void testAssertArgument() {
        exception.expect(ClIllegalArgumentException.class);
        exception.expectMessage(is("[ECL0009]argument[hoge] is illegal. because hogeだからです。."));