@Test public void dataset_05() { String graphName = "http://example/"; Dataset ds = createFixed(); ds.addNamedModel(graphName, model1); ds.replaceNamedModel(graphName, model2); assertTrue(ds.containsNamedModel(graphName)); List<String> x = Iter.toList(ds.listNames()); assertEquals(1, x.size()); assertEquals(graphName, x.get(0)); assertFalse(model1.isIsomorphicWith(ds.getNamedModel(graphName))); assertTrue(model2.isIsomorphicWith(ds.getNamedModel(graphName))); }