gistfile1.java

import com.metamolecular.mx.fingerprint.Fingerprinter;
import com.metamolecular.mx.fingerprint.PathFingerprinter;
import com.metamolecular.mx.io.Molecules;
import junit.framework.TestCase;

import java.util.BitSet;

public class Test extends TestCase
{
  /**
   * Fails with f89cd3b7433b707f1e5688648deaa2380a0dac44, but should pass.
   */
  public void testItShouldMatchPropaneToAcetone()
  {
    Fingerprinter fingerprinter = new PathFingerprinter();
    BitSet propane = fingerprinter.getFingerprint(Molecules.createPropane());
    BitSet acetone = fingerprinter.getFingerprint(Molecules.createAcetone());
    
    assertTrue(match(propane, acetone));
  }

  private boolean match(BitSet bitset, BitSet other)
  {
    BitSet intersection = (BitSet) other;

    intersection.and(bitset);

    return intersection.equals(bitset);
  }
}