@Test(expected=ConcurrentModificationException.class)
public void mrswGraph4()
{
Model m = create().getDefaultModel() ;
Resource r = m.createResource("x") ;
ExtendedIterator<Statement> iter1 = m.listLiteralStatements(r, null, 1) ;
assertNotNull(iter1.next()) ;
// and now the iterator has implicitly finished.
Triple t = SSE.parseTriple("(<y> <p> 99)") ;
m.getGraph().add(t) ;