"http://www.codelibs.org/");
        assertUrlLink("http://www.codelibs.org/あ", //
                "http://www.codelibs.org/あ");
        assertUrlLink("http://www.codelibs.org/%E3%81%82", //
                "http://www.codelibs.org/%E3%81%82");
        assertUrlLink("http://www.codelibs.org/%z", //
                "http://www.codelibs.org/%z");
        assertUrlLink("http://www.codelibs.org/?a=1&b=2", //

    // Well-formed inputs.
    checkFromStringCase("google.com", 80, "google.com", 80, false);
    checkFromStringCase("google.com", 80, "google.com", 80, false);
    checkFromStringCase("192.0.2.1", 82, "192.0.2.1", 82, false);
    checkFromStringCase("[2001::1]", 84, "2001::1", 84, false);
    checkFromStringCase("2001::3", 86, "2001::3", 86, false);
    checkFromStringCase("host:", 80, "host", 80, false);
  }

      return new SampleElements<>(
          mapEntry("one", 114),
          mapEntry("two", 37),
          mapEntry("three", 42),
          mapEntry("four", 19),
          mapEntry("five", 82));
    }

    @SuppressWarnings("unchecked")
    @Override
    public Entry<String, Integer>[] createArray(int length) {
      return (Entry<String, Integer>[]) new Entry<?, ?>[length];
    }

    // Well-formed inputs.
    checkFromStringCase("google.com", 80, "google.com", 80, false);
    checkFromStringCase("google.com", 80, "google.com", 80, false);
    checkFromStringCase("192.0.2.1", 82, "192.0.2.1", 82, false);
    checkFromStringCase("[2001::1]", 84, "2001::1", 84, false);
    checkFromStringCase("2001::3", 86, "2001::3", 86, false);
    checkFromStringCase("host:", 80, "host", 80, false);
  }

   *
   */
  public void testConsistentHash_linearCongruentialGeneratorCompatibility() {
    int[] golden100 = {
      0, 55, 62, 8, 45, 59, 86, 97, 82, 59,
      73, 37, 17, 56, 86, 21, 90, 37, 38, 83
    };
    for (int i = 0; i < golden100.length; i++) {
      assertEquals(golden100[i], Hashing.consistentHash(i, 100));
    }

    }

    public void test_decode() throws IOException {
        final EncodingFilter filter = new EncodingFilter();
        Map<String, String[]> paramMap;

        paramMap = filter.parseQueryString("a=%E3%83%86%E3%82%B9%E3%83%88", "UTF-8");
        assertEquals(1, paramMap.size());
        assertEquals("テスト", paramMap.get("a")[0]);

        paramMap = filter.parseQueryString("a=%A5%C6%A5%B9%A5%C8", "EUC-JP");

      return new SampleElements<>(
          mapEntry("one", 114),
          mapEntry("two", 37),
          mapEntry("three", 42),
          mapEntry("four", 19),
          mapEntry("five", 82));
    }

    @SuppressWarnings("unchecked")
    @Override
    public Entry<String, Integer>[] createArray(int length) {
      return (Entry<String, Integer>[]) new Entry<?, ?>[length];
    }

   *
   */
  public void testConsistentHash_linearCongruentialGeneratorCompatibility() {
    int[] golden100 = {
      0, 55, 62, 8, 45, 59, 86, 97, 82, 59,
      73, 37, 17, 56, 86, 21, 90, 37, 38, 83
    };
    for (int i = 0; i < golden100.length; i++) {
      assertEquals(golden100[i], Hashing.consistentHash(i, 100));
    }

        assertNull(systemHelper.encodeUrlFilter(path));

        path = "abc";
        assertEquals(path, systemHelper.encodeUrlFilter(path));

        path = "あいう";
        assertEquals("%E3%81%82%E3%81%84%E3%81%86", systemHelper.encodeUrlFilter(path));

        path = "[]^$.*+?,{}|%\\";
        assertEquals(path, systemHelper.encodeUrlFilter(path));

        systemHelper.filterPathEncoding = null;