@Test public void testRemoveChemModel_int() { IChemSequence cs = (IChemSequence) newChemObject(); cs.addChemModel(cs.getBuilder().newInstance(IChemModel.class)); cs.addChemModel(cs.getBuilder().newInstance(IChemModel.class)); cs.addChemModel(cs.getBuilder().newInstance(IChemModel.class)); Assert.assertEquals(3, cs.getChemModelCount()); cs.removeChemModel(1); Assert.assertEquals(2, cs.getChemModelCount()); }