text: (function() {
      'use strict';
  
      var coll = db.sort1;
      coll.drop();
  
      coll.save({x: 3, z: 33});
      coll.save({x: 5, z: 33});
      coll.save({x: 2, z: 33});
      coll.save({x: 3, z: 33});
      coll.save({x: 1, z: 33});
  
      for (var pass = 0; pass < 2; pass++) {
          assert(coll.find().sort({x: 1})[0].x == 1);
          assert(coll.find().sort({x: 1}).skip(1)[0].x == 2);
          assert(coll.find().sort({x: -1})[0].x == 5);
          assert(coll.find().sort({x: -1})[1].x == 3);
          assert.eq(coll.find().sort({x: -1}).skip(0)[0].x, 5);
          assert.eq(coll.find().sort({x: -1}).skip(1)[0].x, 3);
          coll.ensureIndex({x: 1});
      }
  
      assert(coll.validate().valid);
  
      coll.drop();
      coll.save({x: 'a'});
      coll.save({x: 'aba'});
      coll.save({x: 'zed'});
      coll.save({x: 'foo'});
  
      for (var pass = 0; pass < 2; pass++) {
          assert.eq("a", coll.find().sort({'x': 1}).limit(1).next().x, "c.1");
          assert.eq("a", coll.find().sort({'x': 1}).next().x, "c.2");
          assert.eq("zed", coll.find().sort({'x': -1}).limit(1).next().x, "c.3");
          assert.eq("zed", coll.find().sort({'x': -1}).next().x, "c.4");
          coll.ensureIndex({x: 1});
      }
  
      assert(coll.validate().valid);
  
      // Ensure that sorts with a collation and no index return the correct ordering. Here we use the
      // 'numericOrdering' option which orders number-like strings by their numerical values.
      if (db.getMongo().useReadCommands()) {
          coll.drop();
          assert.writeOK(coll.insert({_id: 0, str: '1000'}));
          assert.writeOK(coll.insert({_id: 1, str: '5'}));
          assert.writeOK(coll.insert({_id: 2, str: '200'}));
  
          var cursor =
              coll.find().sort({str: -1}).collation({locale: 'en_US', numericOrdering: true});
          assert.eq(cursor.next(), {_id: 0, str: '1000'});
          assert.eq(cursor.next(), {_id: 2, str: '200'});
          assert.eq(cursor.next(), {_id: 1, str: '5'});
          assert(!cursor.hasNext());
      }
  
      // Ensure that sorting of arrays correctly respects a collation with numeric ordering.
      if (db.getMongo().useReadCommands()) {
          coll.drop();
          assert.writeOK(coll.insert({_id: 0, strs: ['1000', '500']}));
          assert.writeOK(coll.insert({_id: 1, strs: ['2000', '60']}));
          cursor = coll.find({strs: {$lt: '1000'}}).sort({strs: 1}).collation({
              locale: 'en_US',
              numericOrdering: true
          });
          assert.eq(cursor.next(), {_id: 1, strs: ['2000', '60']});
          assert.eq(cursor.next(), {_id: 0, strs: ['1000', '500']});
          assert(!cursor.hasNext());
      }
  })();
  