Assert.assertEquals("2", ss.next());
Assert.assertEquals(true, ss.hasNext());
Assert.assertEquals("3", ss.next());
Assert.assertEquals(false, ss.hasNext());
SymbolSource<Token> ts = c1.tokenIterator();
Assert.assertEquals(true, ts.hasNext());
Assert.assertEquals("1", ts.next().text);
Assert.assertEquals(true, ts.hasNext());
Assert.assertEquals("2", ts.next().text);
Assert.assertEquals(true, ts.hasNext());