public void testItShouldProduceADifferentFingerprintWhenThePathDepthIsChanged() {
    Molecule naphthalene = Molecules.createNaphthalene();

    fingerprinter.setMaximumPathDepth(6);

    BitSet fp6 = fingerprinter.getFingerprint(naphthalene);

    fingerprinter.setMaximumPathDepth(0);

    BitSet fpall = fingerprinter.getFingerprint(naphthalene);

    assertFalse(fp6.equals(fpall));
  }
  public void testItShouldCreateANonemptyFingerprintWhenPathDepthIsZero() {
    Molecule benzene = Molecules.createBenzene();

    fingerprinter.setMaximumPathDepth(0);

    BitSet fingerprint = fingerprinter.getFingerprint(benzene);

    assertFalse(fingerprint.isEmpty());
  }