MoleculeFromSignatureBuilder extends AbstractGraphBuilder { public IAtomContainer getAtomContainer() { return this.container; } MoleculeFromSignatureBuilder(IChemObjectBuilder builder); @Override /** {@inheritDoc} */ void makeEdge(int vertexIndex1, int vertexIndex2, String vertexSymbol1, String vertexSymbol2,
            String edgeLabel); @Override /** {@inheritDoc} */ void makeGraph(); @Override /** {@inheritDoc} */ void makeVertex(String label); IAtomContainer getAtomContainer();  }
@Test public void getAtomContainerTest() { MoleculeFromSignatureBuilder builder = new MoleculeFromSignatureBuilder(SilentChemObjectBuilder.getInstance()); builder.makeGraph(); Assert.assertNotNull(builder.getAtomContainer()); }