text: // Test new (optional) update syntax
  // SERVER-4176
  t = db.updatei;
  
  // Using a multi update
  
  t.drop();
  
  for (i=0; i<10; i++) { 
      t.save({ _id : i, k: "x", a: [] }); 
  }
  
  t.update({ k: "x" }, { $push: { a: "y" }}, { multi: true });
  t.find({ k : "x" }).forEach(function(z) {
      assert.eq([ "y" ], z.a, "multi update using object arg");
  });
  
  t.drop();
  
  // Using a single update
  
  for (i=0; i<10; i++) { 
      t.save({ _id : i, k: "x", a: [] }); 
  }
  
  t.update({ k: "x" }, { $push: { a: "y" }}, { multi: false });
  assert.eq(1, t.find({ "a": "y" }).count(), "update using object arg");
  
  t.drop();
  
  // Using upsert, found
  
  for (i=0; i<10; i++) { 
      t.save({ _id : i, k: "x", a: [] }); 
  }
  
  t.update({ k: "x" }, { $push: { a: "y" }}, { upsert: true });
  assert.eq(1, t.find({ "k": "x", "a": "y" }).count(), "upsert (found) using object arg");
  
  t.drop();
  
  // Using upsert + multi, found
  
  for (i=0; i<10; i++) { 
      t.save({ _id : i, k: "x", a: [] }); 
  }
  
  t.update({ k: "x" }, { $push: { a: "y" }}, { upsert: true, multi: true });
  t.find({ k : "x" }).forEach(function(z) {
      assert.eq([ "y" ], z.a, "multi + upsert (found) using object arg");
  });
  
  t.drop();
  
  // Using upsert, not found
  
  for (i=0; i<10; i++) { 
      t.save({ _id : i, k: "x", a: [] }); 
  }
  
  t.update({ k: "y" }, { $push: { a: "y" }}, { upsert: true });
  assert.eq(1, t.find({ "k": "y", "a": "y" }).count(), "upsert (not found) using object arg");
  
  t.drop();
  
  // Without upsert, found
  
  for (i=0; i<10; i++) { 
      t.save({ _id : i, k: "x", a: [] }); 
  }
  
  t.update({ k: "x" }, { $push: { a: "y" }}, { upsert: false });
  assert.eq(1, t.find({ "a": "y" }).count(), "no upsert (found) using object arg");
  
  t.drop();
  
  // Without upsert, not found
  
  for (i=0; i<10; i++) { 
      t.save({ _id : i, k: "x", a: [] }); 
  }
  
  t.update({ k: "y" }, { $push: { a: "y" }}, { upsert: false });
  assert.eq(0, t.find({ "a": "y" }).count(), "no upsert (not found) using object arg");
  
  t.drop();
  