"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", //

    assertTrue("contains(present) should return true", collection.contains(e0()));
  }

  public void testContains_no() {
    assertFalse("contains(notPresent) should return false", collection.contains(e3()));
  }

  @CollectionFeature.Require(ALLOWS_NULL_QUERIES)
  public void testContains_nullNotContainedButQueriesSupported() {
    assertFalse("contains(null) should return false", collection.contains(null));
  }

    try {
      assertFalse(
          "remove(notPresent) should return false or throw UnsupportedOperationException",
          collection.remove(e3()));
    } catch (UnsupportedOperationException tolerated) {
    }
    expectUnchanged();
    expectMissing(e3());
  }

  @CollectionFeature.Require(value = SUPPORTS_REMOVE, absent = ALLOWS_NULL_QUERIES)
  public void testRemove_nullNotSupported() {
    try {

    return samples.e1();
  }

  protected final E e2() {
    return samples.e2();
  }

  protected final E e3() {
    return samples.e3();
  }

  protected final E e4() {
    return samples.e4();
  }

        assertEquals("http://example.com:8080/path/file", HcHttpClient.constructRedirectLocation("http://example.com:8080/path/", "file"));
        assertEquals("http://example.com/%E3%83%86%E3%82%B9%E3%83%88",
                HcHttpClient.constructRedirectLocation("http://example.com/", "テスト"));

    containsDuplicates =
        new Target(MinimalCollection.of(e0(), e0(), e3(), e3()), "containsDuplicates");
    partialOverlap = new Target(MinimalCollection.of(e2(), e3()), "partialOverlap");
    nullSingleton = new Target(Collections.<E>singleton(null), "nullSingleton");
  }

  // retainAll(empty)

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(ZERO)
  public void testRetainAll_emptyPreviouslyEmpty() {

    }

    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");

    assertFalse(
        "containsAll(partialOverlap) should return false",
        collection.containsAll(MinimalCollection.of(e0(), e3())));
  }

  public void testContainsAll_disjoint() {
    assertFalse(
        "containsAll(disjoint) should return false",
        collection.containsAll(MinimalCollection.of(e3())));
  }

  @CollectionFeature.Require(absent = ALLOWS_NULL_QUERIES)
  public void testContainsAll_nullNotAllowed() {

  @MapFeature.Require(SUPPORTS_PUT)
  public void testPutIfAbsent_supportedAbsent() {
    assertNull(
        "putIfAbsent(notPresent, value) should return null", getMap().putIfAbsent(k3(), v3()));
    expectAdded(e3());
  }

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)
  public void testPutIfAbsent_supportedPresent() {
    assertEquals(

   * one specified is included.
   *
   * @throws NullPointerException if any element is null
   */
  public static <E extends Comparable<? super E>> ImmutableSortedSet<E> of(E e1, E e2, E e3) {
    return construct(Ordering.natural(), 3, e1, e2, e3);
  }

  /**
   * Returns an immutable sorted set containing the given elements sorted by their natural ordering.