GcFinalization.awaitClear(ref);
  }

  public void testReentrantHasNext() {
    Iterator<Integer> iter =
        new AbstractIterator<Integer>() {
          @Override
          protected Integer computeNext() {
            boolean unused = hasNext();
            throw new AssertionError();
          }
        };
    assertThrows(IllegalStateException.class, iter::hasNext);
  }

  private HashFunction hashFunction;
  private static final byte[] testBytes = new byte[] {'y', 'a', 'm', 's'};
  private ByteArrayInputStream buffer;

  @SuppressWarnings("DoNotMock")
  @Override
  protected void setUp() throws Exception {
    super.setUp();
    hasher = mock(Hasher.class);
    hashFunction = mock(HashFunction.class);
    buffer = new ByteArrayInputStream(testBytes);

   * hashers are the same order as the functions given to the constructor.
   */
  // this could be cleaner if it passed HashCode[], but that would create yet another array...
  /* protected */ abstract HashCode makeHash(Hasher[] hashers);

  @Override
  public Hasher newHasher() {
    Hasher[] hashers = new Hasher[functions.length];
    for (int i = 0; i < hashers.length; i++) {

        if (deploymentTimestamp == null) {
            deploymentTimestamp = getUtcDateFormatter().format(new Date());
        }
        return deploymentTimestamp;
    }

    protected String constructVersion(Versioning versioning, String baseVersion) {
        String version = null;
        Snapshot snapshot = versioning.getSnapshot();
        if (snapshot != null) {

     */
    protected InetAddress getWINSAddress () {
        return this.transportContext.getConfig().getWinsServers().length == 0 ? null
                : this.transportContext.getConfig().getWinsServers()[ this.nbnsIndex ];
    }


    /**
     * 
     * @param svr
     * @return whether the given address is a WINS server
     */
    protected boolean isWINS ( InetAddress svr ) {

            throwValidationErrorApi(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id));
        });
        return asJson(new ApiResponse().status(Status.OK).result());
    }

    protected EditBody createEditBody(final BoostDocumentRule entity) {
        final EditBody form = new EditBody();
        copyBeanToBean(entity, form, CopyOptions::excludeNull);
        form.crudMode = null;
        return form;

        }
        return asJson(new ApiResult.ApiUpdateResponse().id(id).created(false).status(ApiResult.Status.OK).result());
    }

    protected EditBody createEditBody(final Group entity) {
        final EditBody body = new EditBody();
        copyBeanToBean(entity, body, copyOp -> {
            copyOp.excludeNull();
        });
        return body;
    }

  private static List<String> bufferHelper(String input, int chunk) throws IOException {
    final List<String> lines = Lists.newArrayList();
    LineBuffer lineBuf =
        new LineBuffer() {
          @Override
          protected void handleLine(String line, String end) {
            lines.add(line + end);
          }
        };
    char[] chars = input.toCharArray();
    int off = 0;
    while (off < chars.length) {

  private static List<String> bufferHelper(String input, int chunk) throws IOException {
    final List<String> lines = Lists.newArrayList();
    LineBuffer lineBuf =
        new LineBuffer() {
          @Override
          protected void handleLine(String line, String end) {
            lines.add(line + end);
          }
        };
    char[] chars = input.toCharArray();
    int off = 0;
    while (off < chars.length) {

/**
 * Tests for {@link Synchronized#deque} and {@link Queues#synchronizedDeque}.
 *
 * @author Kurt Alfred Kluever
 */
public class SynchronizedDequeTest extends TestCase {

  protected Deque<String> create() {
    TestDeque<String> inner = new TestDeque<>();
    Deque<String> outer = Synchronized.deque(inner, inner.mutex);
    outer.add("foo"); // necessary because we try to remove elements later on