assertTrue(e.nextDocument());
assertEquals(0, e.doc());
assertEquals(2, e.nodeFreqInDoc());
assertTrue(e.nextNode());
assertEquals(1, e.termFreqInNode());
assertTrue(e.nextPosition());
assertEquals(0, e.pos());
assertTrue(e.nextNode());
assertEquals(1, e.termFreqInNode());
assertTrue(e.nextPosition());
assertEquals(0, e.pos());