t.Fatal(err)
	}
	algo := HighwayHash256
	h := algo.New()
	h.Write(data)
	hashBytes := h.Sum(nil)
	if err := storage.WriteAll(t.Context(), volName, fileName, data); err != nil {
		t.Fatal(err)
	}
	if err := storage.storage.bitrotVerify(t.Context(), pathJoin(path, volName, fileName), size, algo, hashBytes, 0); err != nil {
		t.Fatal(err)
	}

	// 2) Whole-file bitrot check on corrupted file

  }

  public void testHashIntReverseBytesVsHashBytesIntsToByteArray() {
    int input = 42;
    assertEquals(
        Hashing.md5().hashBytes(Ints.toByteArray(input)),
        Hashing.md5().hashInt(Integer.reverseBytes(input)));
  }

  public void testHashIntVsForLoop() {
    int input = 42;
    HashCode expected = Hashing.md5().hashInt(input);

    assertEquals(value, func.hashBytes(bytes).padToLong());
  }

  private static void assertHash32(
      int expected, ImmutableSupplier<Checksum> supplier, String input) {
    byte[] bytes = HashTestUtils.ascii(input);
    String toString = "name";
    HashFunction func = new ChecksumHashFunction(supplier, 32, toString);
    assertEquals(expected, func.hashBytes(bytes).asInt());

    for (int i = 0; i < reps; i++) {
      result ^= hashFunction.hashBytes(testBytes).asBytes()[0];
    }
    return result;
  }

  @Benchmark
  int hashFunctionWithOffset(int reps) {
    HashFunction hashFunction = hashFunctionEnum.getHashFunction();
    int result = 37;
    for (int i = 0; i < reps; i++) {
      result ^= hashFunction.hashBytes(testBytes, 1, testBytes.length - 1).asBytes()[0];
    }
    return result;

    for (int i = 0; i < reps; i++) {
      result ^= hashFunction.hashBytes(testBytes).asBytes()[0];
    }
    return result;
  }

  @Benchmark
  int hashFunctionWithOffset(int reps) {
    HashFunction hashFunction = hashFunctionEnum.getHashFunction();
    int result = 37;
    for (int i = 0; i < reps; i++) {
      result ^= hashFunction.hashBytes(testBytes, 1, testBytes.length - 1).asBytes()[0];
    }
    return result;

    assertEquals(value, func.hashBytes(bytes).padToLong());
  }

  private static void assertHash32(
      int expected, ImmutableSupplier<Checksum> supplier, String input) {
    byte[] bytes = HashTestUtils.ascii(input);
    String toString = "name";
    HashFunction func = new ChecksumHashFunction(supplier, 32, toString);
    assertEquals(expected, func.hashBytes(bytes).asInt());

    return fingerprint(bytes, bytes.length);
  }

  /** Convenience method to compute a fingerprint on a subset of a byte array. */
  private static long fingerprint(byte[] bytes, int length) {
    return HASH_FN.hashBytes(bytes, 0, length).asLong();
  }

  /**
   * Tests that the Java port of FarmHashFingerprint64 provides the same results on buffers up to
   * 800 bytes long as the C++ reference implementation.
   */

      output.write(bytes, offset, length);
      return length;
    }

    @Override
    public HashCode hash(HashFunction hashFunction) throws IOException {
      return hashFunction.hashBytes(bytes, offset, length);
    }

    @Override
    public ByteSource slice(long offset, long length) {
      checkArgument(offset >= 0, "offset (%s) may not be negative", offset);