public void TestIsHeavyAtom() { var ac = MakeMethaneWithExplicitHydrogens(); var carbon = ac.Atoms[0]; var hydrogen = ac.Atoms[1]; var placer = new AtomPlacer3D(); bool result = false; result = placer.IsHeavyAtom(carbon); Assert.IsTrue(result); result = placer.IsHeavyAtom(hydrogen); Assert.IsFalse(result); }