private static final Iterable<Integer> iterable = Arrays.<Integer>asList();
  private static final Iterable<Integer> iterable1 = Arrays.asList(1);
  private static final Iterable<Integer> iterable12 = Arrays.asList(1, 2);
  private static final Iterable<Integer> iterable123 = Arrays.asList(1, 2, 3);
  private static final Iterable<@Nullable Integer> iterableNull = Arrays.asList((Integer) null);

  // Class.cast is not supported in GWT.
  static void checkCast(Class<?> clazz, Object obj) {}

  static <T> T[] clone(T[] array) {
    return (T[]) Arrays.copyOfRange(array, 0, array.length);
  }

  // TODO: Consolidate different copies in one single place.
  static String format(String template, Object... args) {
    // start substituting the arguments into the '%s' placeholders

    /*
     * These arrays are set up to test that the comparator compares bytes within a word in the
     * correct order—in order words, that it doesn't mix up big-endian and little-endian. The first
     * array has a smaller element at one index, and then the second array has a smaller element at
     * the next.
     */

        String[] array = { "a", "b", "c" };
        doc.put("key", array);

        List<String> result = DocumentUtil.getValue(doc, "key", List.class);
        assertEquals(Arrays.asList("a", "b", "c"), result);
    }

    @Test
    public void test_first_element_from_list() {
        Map<String, Object> doc = new HashMap<>();
        List<String> list = Arrays.asList("first", "second", "third");

     * enough, but should be kept in mind.
     */
    public static long[] toPlainArray(AtomicLongArray atomicLongArray) {
      long[] array = new long[atomicLongArray.length()];
      for (int i = 0; i < array.length; ++i) {
        array[i] = atomicLongArray.get(i);
      }
      return array;
    }

    /** Number of bits */

  public void testRetainAll_duplicatesKept() {
    E[] array = createSamplesArray();
    array[1] = e0();
    collection = getSubjectGenerator().create(array);
    assertFalse(
        "containsDuplicates.retainAll(superset) should return false",
        collection.retainAll(MinimalCollection.of(createSamplesArray())));
    expectContents(array);
  }

  @CollectionFeature.Require(SUPPORTS_REMOVE)

    Comparator<String[]> comparator =
        Ordering.natural().lexicographical().onResultOf(Arrays::asList);
    String[] array = new String[] {"a"};
    Multiset<String[]> multiset = ImmutableSortedMultiset.orderedBy(comparator).add(array).build();
    Multiset<String[]> expected = HashMultiset.create();
    expected.add(array);
    assertEquals(expected, multiset);
  }

  public void testCreation_arrayContainingOnlyNull() {

    Arrays.fill(b, (byte) 0);
    ByteStreams.readFully(newTestStream(10), b, 0, 0);
    assertThat(b).isEqualTo(new byte[10]);

    Arrays.fill(b, (byte) 0);
    ByteStreams.readFully(newTestStream(10), b, 0, 10);
    assertThat(b).isEqualTo(newPreFilledByteArray(10));

    Arrays.fill(b, (byte) 0);
    ByteStreams.readFully(newTestStream(10), b, 0, 5);

            return nameidSPNameQualifier;
        }

        @Override
        public String toString() {
            return "SamlUser [groups=" + Arrays.toString(groups) + ", roles=" + Arrays.toString(roles) + ", permissions="
                    + Arrays.toString(permissions) + ", nameId=" + nameId + ", sessionIndex=" + sessionIndex + ", nameIdFormat="

    return java.util.Objects.equals(a, b);
  }

  /**
   * Generates a hash code for multiple values. The hash code is generated by calling {@link
   * Arrays#hashCode(Object[])}. Note that array arguments to this method, with the exception of a
   * single Object array, do not get any special handling; their hash codes are based on identity
   * and not contents.
   *