public virtual void TestRemoveChemModel_int() { IChemSequence cs = (IChemSequence)NewChemObject(); cs.Add(cs.Builder.NewChemModel()); cs.Add(cs.Builder.NewChemModel()); cs.Add(cs.Builder.NewChemModel()); Assert.AreEqual(3, cs.Count); cs.RemoveAt(1); Assert.AreEqual(2, cs.Count); }