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) {