joinHelper(1, 1, 1, 1, 1, 1, 1, 1);
    joinHelper(1, 0, 1, 0, 1, 0, 1, 0);
  }

  public void testOnlyOneOpen() throws Exception {
    ByteSource source = newByteSource(0, 50);
    int[] counter = new int[1];
    ByteSource checker =
        new ByteSource() {
          @Override
          public InputStream openStream() throws IOException {
            if (counter[0]++ != 0) {

  private final ImmutableSupplier<? extends Checksum> checksumSupplier;
  private final int bits;
  private final String toString;

  ChecksumHashFunction(
      ImmutableSupplier<? extends Checksum> checksumSupplier, int bits, String toString) {
    this.checksumSupplier = checkNotNull(checksumSupplier);

        @ParameterizedTest
        @ValueSource(ints = { 0, 1, -1, Integer.MAX_VALUE, Integer.MIN_VALUE })
        @DisplayName("writeSetupWireFormat returns 0 for all indices")
        void writeSetupWireFormatReturnsZero(int index) {
            TransWaitNamedPipeResponse resp = new TransWaitNamedPipeResponse();
            assertEquals(0, resp.writeSetupWireFormat(new byte[10], index), "writeSetupWireFormat should always return 0");
        }

import io.restassured.RestAssured;
import io.restassured.path.json.JsonPath;
import io.restassured.response.Response;

public abstract class CrudTestBase extends ITBase {

    protected static final int NUM = 20;
    protected static final int SEARCH_ALL_NUM = 1000;

    private static final Logger logger = LogManager.getLogger(CrudTestBase.class);

    // ================
    // Abstract Methods
    // ================

    Map<E, Integer> delegateMap = Maps.newHashMapWithExpectedSize(entriesArray.length);
    long size = 0;
    for (int i = 0; i < entriesArray.length; i++) {
      Entry<E> entry = entriesArray[i];
      int count = entry.getCount();
      size += count;
      E element = checkNotNull(entry.getElement());
      delegateMap.put(element, count);

                        }
                    }
                }

                final int max = Math.min(dc_list.length, LOOKUP_RESP_LIMIT);
                for (int j = 0; j < max; j++) {
                    final int i = dc_list_counter++ % max;
                    if (dc_list[i] != null) {
                        try {
                            return interrogate(dc_list[i]);

    expected.addAll(asList(elements));
    expectContents(expected);
  }

  protected final void expectAdded(int index, E... elements) {
    expectAdded(index, asList(elements));
  }

  protected final void expectAdded(int index, Collection<E> elements) {
    List<E> expected = copyToList(getSampleElements());
    expected.addAll(index, elements);
    expectContents(expected);
  }

     */
    InputStream getInputStream() throws IOException;

    /**
     * Provides a user-friendly hint about the location of the source. This could be a local file path, a URI or just an
     * empty string. The intention is to assist users during error reporting.
     *
     * @return A user-friendly hint about the location of the source, never {@code null}.
     */
    String getLocation();

            // setError(int, String)
            Method setErrorStringMethod = WebApiUtil.class.getMethod("setError", int.class, String.class);
            assertTrue("setError(int, String) should be static", java.lang.reflect.Modifier.isStatic(setErrorStringMethod.getModifiers()));

    public Entry<String, Collection<Integer>>[] createArray(int length) {
      return new Entry[length];
    }

    @Override
    public Iterable<Entry<String, Collection<Integer>>> order(
        List<Entry<String, Collection<Integer>>> insertionOrder) {
      return insertionOrder;
    }

    @Override
    public String[] createKeyArray(int length) {
      return new String[length];
    }