@CanIgnoreReturnValue
  public PathSubject containsBytes(int... bytes) throws IOException {
    byte[] realBytes = new byte[bytes.length];
    for (int i = 0; i < bytes.length; i++) {
      realBytes[i] = (byte) bytes[i];
    }
    return containsBytes(realBytes);
  }
Asserts that the file is a regular file containing exactly the byte values of the given ints.
jimfs/src/test/java/com/google/common/jimfs/PathSubject.java