TermsEnum termEnum = terms.iterator(null);
TermsEnum memTermEnum = memTerms.iterator(null);
while (termEnum.next() != null) {
assertNotNull(memTermEnum.next());
assertThat(termEnum.totalTermFreq(), equalTo(memTermEnum.totalTermFreq()));
DocsAndPositionsEnum docsPosEnum = termEnum.docsAndPositions(null, null, 0);
DocsAndPositionsEnum memDocsPosEnum = memTermEnum.docsAndPositions(null, null, 0);
String currentTerm = termEnum.term().utf8ToString();