// Cannot implicitly shard accessed collections because of following errmsg: A single
// update/delete on a sharded collection must contain an exact match on _id or contain the shard
// key.
// @tags: [assumes_unsharded_collection]

(function() {
"use strict";

const coll = db.find_and_modify2;
coll.drop();

coll.insert({_id: 1, i: 0, j: 0});

let out = coll.findAndModify({update: {$inc: {i: 1}}, 'new': true, fields: {i: 1}});
assert.eq(out, {_id: 1, i: 1});

out = coll.findAndModify({update: {$inc: {i: 1}}, fields: {i: 0}});
assert.eq(out, {_id: 1, j: 0});

out = coll.findAndModify({update: {$inc: {i: 1}}, fields: {_id: 0, j: 1}});
assert.eq(out, {j: 0});

out = coll.findAndModify({update: {$inc: {i: 1}}, fields: {_id: 0, j: 1}, 'new': true});
assert.eq(out, {j: 0});
})();