text: (function() {
  "use strict";
  
  function benchrun_sub_insert() {
      const t = db.benchrun_sub;
      t.drop();
      const offset = 10000;
      const ops = [{
          op: "insert",
          ns: "test.benchrun_sub",
          doc: {
              x: {"#RAND_INT": [0, 100]},
              curDate: {"#CUR_DATE": 0},
              futureDate: {"#CUR_DATE": offset},
              pastDate: {"#CUR_DATE": (0 - offset)}
          },
          writeCmd: true
      }];
  
      const res = benchRun({parallel: 1, seconds: 10, ops: ops, host: db.getMongo().host});
  
      assert.gt(res.insert, 0);
  
      t.find().forEach(function(doc) {
          const field = doc.x;
          assert.gte(field, 0);
          assert.lt(field, 100);
          assert.lt(doc.pastDate, doc.curDate);
          assert.lt(doc.curDate, doc.futureDate);
      });
  }
  
  function benchrun_sub_update() {
      const t = db.benchrun_sub;
      t.drop();
  
      const ops = [{
          op: "update",
          ns: "test.benchrun_sub",
          query: {x: {"#RAND_INT": [0, 100]}},
          update: {$inc: {x: 1}},
          writeCmd: true
      }];
  
      for (let i = 0; i < 100; ++i) {
          assert.commandWorked(t.insert({x: i}));
      }
  
      const res = benchRun({parallel: 1, seconds: 10, ops: ops, host: db.getMongo().host});
  
      let field_sum = 0;
      t.find().forEach(function(doc) {
          field_sum += doc.x;
      });
  
      assert.gt(field_sum, 4950);  // 1 + 2 + .. 99 = 4950
  }
  
  function benchrun_sub_remove() {
      const t = db.benchrun_sub;
      t.drop();
  
      const ops = [
          {op: "remove", ns: "test.benchrun_sub", query: {x: {"#RAND_INT": [0, 100]}}, writeCmd: true}
      ];
  
      for (let i = 0; i < 100; ++i) {
          assert.commandWorked(t.insert({x: i}));
      }
  
      const res = benchRun({parallel: 1, seconds: 10, ops: ops, host: db.getMongo().host});
  
      assert.lt(t.count(), 100);
  }
  
  benchrun_sub_insert();
  benchrun_sub_update();
  benchrun_sub_remove();
  })();
  