for (ExpectedHashCode expected : expectedHashCodes) {
      HashCode fromBytes = HashCode.fromBytes(expected.bytes);
      assertExpectedHashCode(expected, fromBytes);
    }
  }

  public void testFromBytes_copyOccurs() {
    byte[] bytes = new byte[] {(byte) 0xcd, (byte) 0xab, (byte) 0x00, (byte) 0x00};
    HashCode hashCode = HashCode.fromBytes(bytes);
    int expectedInt = 0x0000abcd;

    Mac mac = Mac.getInstance("HmacMD5");
    mac.init(MD5_KEY);
    mac.update(input.getBytes(UTF_8));
    assertEquals(knownOutput, HashCode.fromBytes(mac.doFinal()).toString());
    assertEquals(knownOutput, HashCode.fromBytes(mac.doFinal(input.getBytes(UTF_8))).toString());
    assertEquals(knownOutput, Hashing.hmacMd5(MD5_KEY).hashString(input, UTF_8).toString());

    for (ExpectedHashCode expected : expectedHashCodes) {
      HashCode fromBytes = HashCode.fromBytes(expected.bytes);
      assertExpectedHashCode(expected, fromBytes);
    }
  }

  public void testFromBytes_copyOccurs() {
    byte[] bytes = new byte[] {(byte) 0xcd, (byte) 0xab, (byte) 0x00, (byte) 0x00};
    HashCode hashCode = HashCode.fromBytes(bytes);
    int expectedInt = 0x0000abcd;

   */
  @CanIgnoreReturnValue // to skip some bytes
  @Override
  public int readUnsignedShort() throws IOException {
    byte b1 = readAndCheckByte();
    byte b2 = readAndCheckByte();

    return Ints.fromBytes((byte) 0, (byte) 0, b2, b1);
  }

  /**
   * Reads an integer as specified by {@link DataInputStream#readInt()}, except using little-endian
   * byte order.
   *

  private static HashCode toHashCode(long... longs) {
    ByteBuffer bb = ByteBuffer.wrap(new byte[longs.length * 8]).order(ByteOrder.LITTLE_ENDIAN);
    for (long x : longs) {
      bb.putLong(x);
    }
    return HashCode.fromBytes(bb.array());
  }

  public void testParanoid() {
    HashFn hf =
        new HashFn() {
          @Override
          public byte[] hash(byte[] input, int seed) {

      }
      return true;
    }

    private /* static */ long lowerEight(byte[] bytes) {
      return Longs.fromBytes(
          bytes[7], bytes[6], bytes[5], bytes[4], bytes[3], bytes[2], bytes[1], bytes[0]);
    }

    private /* static */ long upperEight(byte[] bytes) {
      return Longs.fromBytes(
          bytes[15], bytes[14], bytes[13], bytes[12], bytes[11], bytes[10], bytes[9], bytes[8]);
    }
  };

    assertEquals(hash32, Hashing.combineOrdered(ImmutableList.of(hash32)));
    assertEquals(
        HashCode.fromBytes(new byte[] {(byte) 0x80, 0, 0, 0}),
        Hashing.combineOrdered(ImmutableList.of(hash32, hash32)));
    assertEquals(
        HashCode.fromBytes(new byte[] {(byte) 0xa0, 0, 0, 0}),
        Hashing.combineOrdered(ImmutableList.of(hash32, hash32, hash32)));
    assertFalse(

    Sink(int chunkSize) {
      super(chunkSize);
      this.chunkSize = chunkSize;
      this.bufferSize = chunkSize;
    }

    @Override
    protected HashCode makeHash() {
      return HashCode.fromBytes(out.toByteArray());
    }

    @Override
    protected void process(ByteBuffer bb) {
      processCalled++;
      assertEquals(ByteOrder.LITTLE_ENDIAN, bb.order());

    Sink(int chunkSize) {
      super(chunkSize);
      this.chunkSize = chunkSize;
      this.bufferSize = chunkSize;
    }

    @Override
    protected HashCode makeHash() {
      return HashCode.fromBytes(out.toByteArray());
    }

    @Override
    protected void process(ByteBuffer bb) {
      processCalled++;
      assertEquals(ByteOrder.LITTLE_ENDIAN, bb.order());

    assertEquals(hash32, Hashing.combineOrdered(ImmutableList.of(hash32)));
    assertEquals(
        HashCode.fromBytes(new byte[] {(byte) 0x80, 0, 0, 0}),
        Hashing.combineOrdered(ImmutableList.of(hash32, hash32)));
    assertEquals(
        HashCode.fromBytes(new byte[] {(byte) 0xa0, 0, 0, 0}),
        Hashing.combineOrdered(ImmutableList.of(hash32, hash32, hash32)));
    assertFalse(