public void testPayloadsPos0() throws Exception {
    Directory dir = newDirectory();
    RandomIndexWriter writer = new RandomIndexWriter(random(), dir, new MockPayloadAnalyzer());
    Document doc = new Document();
    doc.add(new TextField("content", new StringReader("a a b c d e a f g h i j a b k k")));
    writer.addDocument(doc);

    final IndexReader readerFromWriter = writer.getReader();
    LeafReader r = SlowCompositeReaderWrapper.wrap(readerFromWriter);

    PostingsEnum tp = r.postings(new Term("content", "a"), PostingsEnum.ALL);

    int count = 0;
    assertTrue(tp.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    // "a" occurs 4 times
    assertEquals(4, tp.freq());
    assertEquals(0, tp.nextPosition());
    assertEquals(1, tp.nextPosition());
    assertEquals(3, tp.nextPosition());
    assertEquals(6, tp.nextPosition());

    // only one doc has "a"
    assertEquals(DocIdSetIterator.NO_MORE_DOCS, tp.nextDoc());

    IndexSearcher is = newSearcher(readerFromWriter);

    SpanTermQuery stq1 = new SpanTermQuery(new Term("content", "a"));
    SpanTermQuery stq2 = new SpanTermQuery(new Term("content", "k"));
    SpanQuery[] sqs = {stq1, stq2};
    SpanNearQuery snq = new SpanNearQuery(sqs, 30, false);

    count = 0;
    boolean sawZero = false;
    if (VERBOSE) {
      System.out.println("\ngetPayloadSpans test");
    }
    PayloadSpanCollector collector = new PayloadSpanCollector();
    Spans pspans = MultiSpansWrapper.wrap(is.getIndexReader(), snq, SpanWeight.Postings.PAYLOADS);
    while (pspans.nextDoc() != Spans.NO_MORE_DOCS) {
      while (pspans.nextStartPosition() != Spans.NO_MORE_POSITIONS) {
        if (VERBOSE) {
          System.out.println(
              "doc "
                  + pspans.docID()
                  + ": span "
                  + pspans.startPosition()
                  + " to "
                  + pspans.endPosition());
        }
        collector.reset();
        pspans.collect(collector);
        sawZero |= pspans.startPosition() == 0;
        for (BytesRef payload : collector.payloads) {
          count++;
          if (VERBOSE) {
            System.out.println("  payload: " + Term.toString(payload));
          }
        }
      }
    }
    assertTrue(sawZero);
    assertEquals(8, count);

    // System.out.println("\ngetSpans test");
    Spans spans = MultiSpansWrapper.wrap(is.getIndexReader(), snq);
    count = 0;
    sawZero = false;
    while (spans.nextDoc() != Spans.NO_MORE_DOCS) {
      while (spans.nextStartPosition() != Spans.NO_MORE_POSITIONS) {
        count++;
        sawZero |= spans.startPosition() == 0;
        // System.out.println(spans.doc() + " - " + spans.start() + " - " +
        // spans.end());
      }
    }
    assertEquals(4, count);
    assertTrue(sawZero);

    writer.close();
    is.getIndexReader().close();
    dir.close();
  }