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// Verify that the update system correctly rejects invalid entries during post-image validation.
(function() {
"use strict";
const conn = MongoRunner.runMongod();
assert.neq(null, conn, "mongod was unable to start up");
const testDB = conn.getDB("test");
// Test validation of elements added to an array that is represented in a "deserialized" format
// in mutablebson. The added element is invalid because it is a DBRef with a missing $id.
assert.writeOK(testDB.coll.insert({_id: 0, a: []}));
assert.writeErrorWithCode(
testDB.coll.update({_id: 0}, {$set: {"a.1": 0, "a.0": {$ref: "coll", $db: "test"}}}),
ErrorCodes.InvalidDBRef);
assert.docEq(testDB.coll.findOne({_id: 0}), {_id: 0, a: []});
// Test validation of modified array elements that are accessed using a string that is
// numerically equivalent to their fieldname. The modified element is invalid because it is a
// DBRef with a missing $id.
assert.writeOK(testDB.coll.insert({_id: 1, a: [0]}));
assert.writeErrorWithCode(
testDB.coll.update({_id: 1}, {$set: {"a.00": {$ref: "coll", $db: "test"}}}),
ErrorCodes.InvalidDBRef);
assert.docEq(testDB.coll.findOne({_id: 1}), {_id: 1, a: [0]});
MongoRunner.stopMongod(conn);
}());
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