SignatureFingerprinter extends AbstractFingerprinter implements IFingerprinter { @Override public int getSize() { return -1; } SignatureFingerprinter();  SignatureFingerprinter(int depth); @Override IBitFingerprint getBitFingerprint(IAtomContainer atomContainer); @Override Map<String, Integer> getRawFingerprint(IAtomContainer atomContainer); @Override int getSize(); @Override ICountFingerprint getCountFingerprint(IAtomContainer container);  }
@Test public void testGetSize() throws Exception { IFingerprinter fingerprinter = new SignatureFingerprinter(); Assert.assertNotNull(fingerprinter); Assert.assertEquals(-1, fingerprinter.getSize()); }