def testSSSR(self):
"""
Check the graph's Smallest Set of Smallest Rings function
"""
molecule = Molecule()
molecule.fromSMILES('C(CC1C(C(CCCCCCCC)C1c1ccccc1)c1ccccc1)CCCCCC')
#http://cactus.nci.nih.gov/chemical/structure/C(CC1C(C(CCCCCCCC)C1c1ccccc1)c1ccccc1)CCCCCC/image
sssr = molecule.getSmallestSetOfSmallestRings()
self.assertEqual( len(sssr), 3)
