HashCode expected = toHashCode(expected1, expected2);
    byte[] input = HashTestUtils.ascii(stringInput);
    assertEquals(expected, murmur3_128(seed).hashBytes(input));
    assertEquals(expected, murmur3_128(seed).newHasher().putBytes(input).hash());
  }

  /** Returns a {@link HashCode} for a sequence of longs, in big-endian order. */
  private static HashCode toHashCode(long... longs) {

   */
  @Override
  @CanIgnoreReturnValue
  public int read(byte[] bytes, int off, int len) throws IOException {
    int numOfBytesRead = in.read(bytes, off, len);
    if (numOfBytesRead != -1) {
      hasher.putBytes(bytes, off, numOfBytesRead);
    }
    return numOfBytesRead;
  }

  /**
   * mark() is not supported for HashingInputStream
   *
   * @return {@code false} always
   */
  @Override

    for (int i = 0; i < reps; i++) {
      res +=
          System.identityHashCode(
              hashFunctionEnum
                  .getHashFunction()
                  .newHasher()
                  .putBytes(strings[i & SAMPLE_MASK].getBytes(StandardCharsets.UTF_8))
                  .hash());
    }
    return res;
  }

        .putChar((char) 0x0100)
        .putChar((char) 0x0000)
        .putChar((char) 0x0000);
    assertEquals(hashCode, hasher.hash().asLong());

    hasher = HASH_FN.newHasher();
    hasher.putBytes(new byte[] {0x01, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00});
    assertEquals(hashCode, hasher.hash().asLong());

    hasher = HASH_FN.newHasher();
    hasher.putLong(0x0000000001000101L);

    byte[] bytes = {1, 2, 3, 4};
    out.write(255);
    out.write(bytes);
    out.write(bytes, 1, 2);
    verify(sink).putByte((byte) 255);
    verify(sink).putBytes(bytes);
    verify(sink).putBytes(bytes, 1, 2);
  }

  public void testSerialization() {
    assertSame(
        Funnels.byteArrayFunnel(), SerializableTester.reserialize(Funnels.byteArrayFunnel()));

    int numOfByteRead = in.read(buf, 0, buf.length);
    assertEquals(4, numOfByteRead);
    for (int i = 0; i < testBytes.length; i++) {
      assertEquals(testBytes[i], buf[i]);
    }

    verify(hasher).putBytes(testBytes, 0, testBytes.length);
    verify(hashFunction).newHasher();
    verifyNoMoreInteractions(hashFunction, hasher);
  }

  public void testRead_putByteArrayAtPos() throws Exception {

    @Override
    public void write(int b) {
      sink.putByte((byte) b);
    }

    @Override
    public void write(byte[] bytes) {
      sink.putBytes(bytes);
    }

    @Override
    public void write(byte[] bytes, int off, int len) {
      sink.putBytes(bytes, off, len);
    }

    @Override
    public String toString() {
      return "Funnels.asOutputStream(" + sink + ")";
    }
  }

    byte[] buf = new byte[] {'y', 'a', 'm', 's'};
    HashingOutputStream out = new HashingOutputStream(hashFunction, buffer);
    out.write(buf);

    verify(hashFunction).newHasher();
    verify(hasher).putBytes(buf, 0, buf.length);
    verifyNoMoreInteractions(hashFunction, hasher);
  }

  public void testWrite_putByteArrayAtPos() throws Exception {
    byte[] buf = new byte[] {'y', 'a', 'm', 's'};

    @Override
    public InputStream openStream() {
      return new In();
    }

    public void append(byte[] b) {
      byte[] newBytes = Arrays.copyOf(bytes, bytes.length + b.length);
      System.arraycopy(b, 0, newBytes, bytes.length, b.length);
      bytes = newBytes;
    }

    private class In extends InputStream {
      private int pos;

      @Override
      public int read() throws IOException {

        .putChar((char) 0x0100)
        .putChar((char) 0x0000)
        .putChar((char) 0x0000);
    assertEquals(hashCode, hasher.hash().asLong());

    hasher = HASH_FN.newHasher();
    hasher.putBytes(new byte[] {0x01, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00});
    assertEquals(hashCode, hasher.hash().asLong());

    hasher = HASH_FN.newHasher();
    hasher.putLong(0x0000000001000101L);