public virtual void TestRemoveAllIsotopes() { IMolecularFormula mf = Builder.NewMolecularFormula(); IIsotope carb = Builder.NewIsotope("C"); IIsotope flu = Builder.NewIsotope("F"); IIsotope h1 = Builder.NewIsotope("H"); mf.Add(carb); mf.Add(flu); mf.Add(h1, 3); // remove the Fluorine mf.Clear(); Assert.AreEqual(0, mf.IsotopesCount); }