fail();
    } catch (NullPointerException expected) {
    }

    expectUnchanged();
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_KEYS})
  public void testPutNullKey() {
    int size = getNumElements();

    multimap().put(null, v3());

    assertGet(null, v3());
    assertEquals(size + 1, multimap().size());
  }

  @MapFeature.Require(SUPPORTS_PUT)

  @MapFeature.Require(absent = SUPPORTS_PUT)
  public void testPutUnsupported() {
    try {
      multimap().putAll(getSubjectGenerator().create(Helpers.mapEntry(k3(), v3())));
      fail("Expected UnsupportedOperationException");
    } catch (UnsupportedOperationException expected) {
    }
  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testPutAllIntoEmpty() {

        requestBody.put("name", "test_webconfig");
        requestBody.put("urls", "http://www.example.com");
        requestBody.put("user_agent", "Mozilla/5.0");
        requestBody.put("num_of_thread", 5);
        requestBody.put("interval_time", 1000);
        requestBody.put("boost", 100.0);
        requestBody.put("available", true);
        requestBody.put("sort_order", 1);

        requestBody.put("name", "test_fileconfig");
        requestBody.put("paths", "file:///example/path/");
        requestBody.put("num_of_thread", 5);
        requestBody.put("interval_time", 1000);
        requestBody.put("boost", 100.0);
        requestBody.put("available", true);
        requestBody.put("sort_order", 1);

    expected.put(1, 'a');
    expected.put(3, 'c');
    expected.put(2, null);
    assertEquals(expected, table.row("foo"));
  }

  @Override
  public void testColumn() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    Map<String, @Nullable Character> expected = Maps.newHashMap();
    expected.put("foo", 'a');
    expected.put("bar", 'b');
    expected.put("cat", null);

    expected.put(1, 'a');
    expected.put(3, 'c');
    expected.put(2, null);
    assertEquals(expected, table.row("foo"));
  }

  @Override
  public void testColumn() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    Map<String, @Nullable Character> expected = Maps.newHashMap();
    expected.put("foo", 'a');
    expected.put("bar", 'b');
    expected.put("cat", null);

        document.put("title", "");
        assertEquals("", viewHelper.getContentTitle(document));

        document.put("title", "111");
        assertEquals("111", viewHelper.getContentTitle(document));

        document.put("title", "aaa");
        assertEquals("<strong>aaa</strong>", viewHelper.getContentTitle(document));

        document.put("title", "AAA");

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)
  public void testReplaceEntry_supportedPresent() {
    try {
      assertTrue(getMap().replace(k0(), v0(), v3()));
      expectReplacement(entry(k0(), v3()));
    } catch (ClassCastException tolerated) { // for ClassToInstanceMap
      expectUnchanged();
    }
  }

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)

    Map<String, Integer> underlying = Maps.newLinkedHashMap();
    underlying.put("a", 1);
    underlying.put("b", 2);
    underlying.put("c", 3);
    underlying.put("d", 4);
    underlying.put("e", 5);
    underlying.put("f", 6);
    underlying.put("g", 7);
    Map<String, String> map = Maps.transformValues(underlying, Functions.toStringFunction());

    map.remove("a");

    multimap.put("foo", 1);
    multimap.put("foo", 3);
    assertTrue(multimap.get("foo") instanceof RandomAccess);
    assertTrue(multimap.get("bar") instanceof RandomAccess);
  }

  /** Confirm that removeAll() returns a List implementing RandomAccess. */
  public void testRemoveAllRandomAccess() {
    Multimap<String, Integer> multimap = create();
    multimap.put("foo", 1);
    multimap.put("foo", 3);