@Test public void testRemoveChemSequence_int() { IChemFile cs = (IChemFile) newChemObject(); cs.addChemSequence(cs.getBuilder().newInstance(IChemSequence.class)); cs.addChemSequence(cs.getBuilder().newInstance(IChemSequence.class)); cs.addChemSequence(cs.getBuilder().newInstance(IChemSequence.class)); Assert.assertEquals(3, cs.getChemSequenceCount()); cs.removeChemSequence(1); Assert.assertEquals(2, cs.getChemSequenceCount()); }