assertEquals( 0, notDocumentIterator.nextDocument() );
assertEquals( 0, notDocumentIterator.document() );
assertEquals( IntervalIterators.TRUE, notDocumentIterator.intervalIterator() );
assertEquals( 1, notDocumentIterator.nextDocument() );
assertEquals( IntervalIterators.TRUE, notDocumentIterator.intervalIterator() );
assertEquals( 3, notDocumentIterator.nextDocument() );
assertEquals( IntervalIterators.TRUE, notDocumentIterator.intervalIterator() );
assertEquals( 5, notDocumentIterator.nextDocument() );
assertEquals( 5, notDocumentIterator.document() );
assertEquals( IntervalIterators.TRUE, notDocumentIterator.intervalIterator() );
assertEquals( 6, notDocumentIterator.nextDocument() );