// Tries to create too many indexes. Used to fail as SERVER-16673. var coll = db.index_create_too_many; coll.drop(); // create 62 indexes, which leaves us with 63 indexes total (+1 for the _id index) for (var i = 0; i < 62; i++) { var name = 'i' + i; var spec = {key: {}, name: name}; spec.key[name] = 1; var res = coll.runCommand('createIndexes', {indexes: [spec]}); assert.commandWorked(res, tojson(res)); } // attempt to add 2 more indexes to push over the limit (64). var newSpecs = [{key: {i62: 1}, name: 'i62'}, {key: {i63: 1}, name: 'i63'}]; var res = coll.runCommand('createIndexes', {indexes: newSpecs}); assert.commandFailed(res, tojson(res)); assert.eq(res.code, 67); // CannotCreateIndex