for (K k : sampleKeys()) {
      resetContainer();

      Set<V> expectedValues = copyToSet(multimap().get(k));

      multimap().putAll(k, valuesToPut);
      expectedValues.addAll(valuesToPut);

      assertGet(k, expectedValues);
    }
  }

    builder.interceptors().addAll(listOf(null) as List<Interceptor>)
    assertFailsWith<IllegalStateException> {
      builder.build()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("Null interceptor: [null]")
    }
  }

  @Test fun nullNetworkInterceptorInList() {
    val builder = OkHttpClient.Builder()
    builder.networkInterceptors().addAll(listOf(null) as List<Interceptor>)

    void firstCalledNameForInetAddressConformsToUpperCase(String hostname, String hostWithoutDot, String expectedPrefix) {
        // Arrange
        InetAddress addr = mock(InetAddress.class);
        when(addr.getHostName()).thenReturn(hostname);
        UniAddress ua = new UniAddress(addr);
        // Act
        String called = ua.firstCalledName();
        // Assert

 * to the methods of the delegate. For example, overriding {@link #add} alone <i>will not</i> change
 * the behavior of {@link #addAll}, which can lead to unexpected behavior. In this case, you should
 * override {@code addAll} as well, either providing your own implementation, or delegating to the
 * provided {@code standardAddAll} method.
 *

        final String addr = prp.getProperty(key);
        if (addr != null) {
            try {
                def = InetAddress.getByName(addr);
            } catch (final UnknownHostException uhe) {
                if (LogStream.level > 0) {
                    log.println(addr);
                    uhe.printStackTrace(log);
                }
            }

            this.type = SmbConstants.TYPE_WORKGROUP;
            return true;
        }

        if (getShare() == null) {
            final NetbiosAddress addr = getAddress().unwrap(NetbiosAddress.class);
            if (addr != null) {
                final int code = addr.getNameType();
                if (code == 0x1d || code == 0x1b) {
                    this.type = SmbConstants.TYPE_WORKGROUP;
                    return true;

      }

      // the regular values should be visible after filtering
      List<@Nullable Object> allEntries = new ArrayList<>();
      allEntries.addAll(extremeValues);
      allEntries.addAll(normalValues);
      SortedSet<E> set = delegate.create(allEntries.toArray());

      return createSubSet(set, firstExclusive, lastExclusive);
    }

    List<E> list = new ArrayList<>();
    addAll(list, elements);
    return list;
  }

  public static <E extends @Nullable Object> List<E> copyToList(E[] elements) {
    return copyToList(asList(elements));
  }

  // Clone of Sets.newLinkedHashSet
  public static <E extends @Nullable Object> Set<E> copyToSet(Iterable<? extends E> elements) {
    Set<E> set = new LinkedHashSet<>();
    addAll(set, elements);
    return set;
  }

     *
     * @param c the collection to copy from
     */
    public CaseInsensitiveSet(final Collection<String> c) {
        map = new CaseInsensitiveMap<>(Math.max((int) (c.size() / .75f) + 1, 16));
        addAll(c);
    }

    /**
     * Creates a {@link CaseInsensitiveSet}.
     *
     * @param initialCapacity the initial capacity
     */
    public CaseInsensitiveSet(final int initialCapacity) {

            return parent.containsAll(c);
        }

        public boolean addAll(final Collection<? extends E> c) {
            return parent.addAll(c);
        }

        public boolean addAll(final int index, final Collection<? extends E> c) {
            return parent.addAll(index, c);
        }

        public boolean removeAll(final Collection<?> c) {