DocMap docMap = new DocMap(parentMap);

        docMap.put("zebra", "value1");
        docMap.put("apple", "value2");
        docMap.put("lang", "ja");
        docMap.put("banana", "value3");

        Set<Map.Entry<String, Object>> entrySet = docMap.entrySet();
        assertEquals(4, entrySet.size());

        String[] keys = entrySet.stream().map(Map.Entry::getKey).toArray(String[]::new);

                  @Override
                  public SampleElements<Entry<Range<Integer>, String>> samples() {
                    return new SampleElements<>(
                        mapEntry(Range.singleton(0), "banana"),
                        mapEntry(Range.closedOpen(3, 5), "frisbee"),
                        mapEntry(Range.atMost(-1), "fruitcake"),
                        mapEntry(Range.open(10, 15), "elephant"),

    peer.acceptFrame() // SYN_REPLY
    peer.sendFrame().pushPromise(3, 2, headerEntries("b", "banana"))
    peer.acceptFrame() // RST_STREAM
    peer.play()

    // Play it back.
    val connection = connect(peer)
    connection.newStream(headerEntries("b", "banana"), false)

    // Verify the peer received what was expected.
    assertThat(peer.takeFrame().type).isEqualTo(Http2.TYPE_HEADERS)

    val request = server.takeRequest()
    assertThat(request.headers["Cookie"]).isEqualTo("a=android; b=banana")
  }

  @Test
  fun receiveAndSendMultipleCookies() {
    server.enqueue(
      MockResponse
        .Builder()
        .addHeader("Set-Cookie", "a=android")
        .addHeader("Set-Cookie", "b=banana")
        .build(),
    )
    server.enqueue(MockResponse())

    }

    @Test
    @DisplayName("Should join with multi-character delimiter")
    void testJoinWithMultiCharDelimiter() {
        String result = StringUtil.join(" - ", "apple", "banana", "cherry");
        assertEquals("apple - banana - cherry", result);
    }

    @Test
    @DisplayName("Should handle null delimiter by inserting 'null' string")
    void testJoinWithNullDelimiter() {

	{"", "", "<>", -1, "<>"},
	{"banana", "a", "<>", -1, "b<>n<>n<>"},
	{"banana", "a", "<>", 1, "b<>nana"},
	{"banana", "a", "<>", 1000, "b<>n<>n<>"},
	{"banana", "an", "<>", -1, "b<><>a"},
	{"banana", "ana", "<>", -1, "b<>na"},
	{"banana", "", "<>", -1, "<>b<>a<>n<>a<>n<>a<>"},
	{"banana", "", "<>", 10, "<>b<>a<>n<>a<>n<>a<>"},
	{"banana", "", "<>", 6, "<>b<>a<>n<>a<>n<>a"},

      return result.unmodifiable()
    }

  /**
   * Returns all values for the query parameter `name` ordered by their appearance in this
   * URL. For example this returns `["banana"]` for `queryParameterValue("b")` on
   * `http://host/?a=apple&b=banana`.
   *
   * | URL                               | `queryParameterValues("a")` | `queryParameterValues("b")` |

   *     Stream.of("banana", "apple", "carrot", "asparagus", "cherry")
   *         .collect(toImmutableListMultimap(str -> str.charAt(0), str -> str.substring(1)));
   *
   * // is equivalent to
   *
   * static final Multimap<Character, String> FIRST_LETTER_MULTIMAP =
   *     new ImmutableListMultimap.Builder<Character, String>()
   *         .put('b', "anana")
   *         .putAll('a', "pple", "sparagus")

                return List.of("Zebra", "Apple", "Banana").stream().sorted().collect(java.util.stream.Collectors.toList());
            }
        };

        List<String> names = testFactory.loadDataStoreNameList();
        assertEquals(3, names.size());
        assertEquals("Apple", names.get(0));
        assertEquals("Banana", names.get(1));
        assertEquals("Zebra", names.get(2));
    }

   *     Stream.of("banana", "apple", "carrot", "asparagus", "cherry")
   *         .collect(toImmutableSetMultimap(str -> str.charAt(0), str -> str.substring(1)));
   *
   * // is equivalent to
   *
   * static final Multimap<Character, String> FIRST_LETTER_MULTIMAP =
   *     new ImmutableSetMultimap.Builder<Character, String>()
   *         .put('b', "anana")
   *         .putAll('a', "pple", "sparagus")