}

  public void testAsSet_present() {
    Set<String> expected = Collections.singleton("a");
    assertEquals(expected, Optional.of("a").asSet());
  }

  public void testAsSet_absent() {
    assertTrue("Returned set should be empty", Optional.absent().asSet().isEmpty());
  }

  public void testAsSet_presentIsImmutable() {
    Set<String> presentAsSet = Optional.of("a").asSet();

        // Test multiple calls to readDataWireFormat to ensure buffer is overwritten
        byte[] firstData = "First data set".getBytes();
        byte[] secondData = "Second data set".getBytes();
        byte[] buffer1 = new byte[100];
        byte[] buffer2 = new byte[100];

        System.arraycopy(firstData, 0, buffer1, 0, firstData.length);

            infoLevel.setAccessible(true);
            assertEquals(Trans2QueryPathInformationResponse.SMB_QUERY_FILE_BASIC_INFO, infoLevel.getInt(resp));

            // Verify subCommand is set correctly
            Field subCmd = SmbComTransactionResponse.class.getDeclaredField("subCommand");
            subCmd.setAccessible(true);

  public SampleElements<AnEnum> samples() {
    return new Enums();
  }

  @Override
  public Set<AnEnum> create(Object... elements) {
    AnEnum[] array = new AnEnum[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (AnEnum) e;
    }
    return create(array);
  }

  protected abstract Set<AnEnum> create(AnEnum[] elements);

  @Override
  public AnEnum[] createArray(int length) {

     * @throws IllegalAccessRuntimeException if the field cannot be accessed
     * @see Field#set(Object, Object)
     */
    public static void set(final Field field, final Object value) throws IllegalAccessRuntimeException {
        assertArgumentNotNull("field", field);

        set(field, null, value);
    }

    /**

    }

    @Override
    public boolean retainAll(final Collection<?> c) {
        return parent.retainAll(c);
    }

    @Override
    public Map<String, Object> set(final int index, final Map<String, Object> element) {
        return parent.set(index, element);
    }

    @Override
    public int size() {
        return parent.size();
    }

    @Override

    }

    Violation acceptOrReject(JApiCompatibility member, List<String> changes, Violation rejection) {
        Set<ApiChange> seenApiChanges = (Set<ApiChange>) context.userData["seenApiChanges"]
        Set<AccessorKey> seenOldAccessorsOfUpgradedProperties = (Set<AccessorKey>) context.userData[SEEN_OLD_REMOVED_ACCESSORS_OF_UPGRADED_PROPERTIES]

        assertEquals(mockCredentials, wrapper.getCredentials(), "Initial credentials should be set by constructor");
    }

    @Test
    @DisplayName("Should return the credentials provided in the constructor")
    void testGetCredentials() {
        assertEquals(mockCredentials, wrapper.getCredentials(), "getCredentials should return the initially set credentials");
    }

    @Test

    Set<Integer> nodes = graph.nodes();
    assertThrows(UnsupportedOperationException.class, () -> nodes.add(N2));
    addNode(N1);
    assertThat(graph.nodes()).containsExactlyElementsIn(nodes);
  }

  @Override
  @Test
  public void adjacentNodes_checkReturnedSetMutability() {
    assume().that(graphIsMutable()).isTrue();

    addNode(N1);
    Set<Integer> adjacentNodes = graph.adjacentNodes(N1);

  public SampleElements<Integer> samples() {
    return new Ints();
  }

  @Override
  public Set<Integer> create(Object... elements) {
    Integer[] array = new Integer[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (Integer) e;
    }
    return create(array);
  }

  protected abstract Set<Integer> create(Integer[] elements);

  @Override
  public Integer[] createArray(int length) {