/**
 * Tests whether mongos correctly validates write concerns.
 */
import {ShardingTest} from "jstests/libs/shardingtest.js";

let st = new ShardingTest({mongos: 1, shards: 1});
let mongos = st.s0;

let kDbName = "db";

let db = mongos.getDB(kDbName);

assert.commandFailedWithCode(db.runCommand({ping: 1, writeConcern: {w: 1}}), ErrorCodes.InvalidOptions);

assert.commandFailedWithCode(db.runCommand({ping: 1, writeConcern: {}}), ErrorCodes.InvalidOptions);

assert.commandWorked(db.runCommand({insert: "test", documents: [{_id: 1}], writeConcern: {w: 1}}));

assert.commandWorked(db.runCommand({insert: "test", documents: [{_id: 2}], writeConcern: {}}));

assert.commandWorked(db.runCommand({delete: "test", deletes: [{q: {_id: 1}, limit: 1}], writeConcern: {w: 1}}));

assert.commandWorked(db.runCommand({delete: "test", deletes: [{q: {_id: 2}, limit: 1}], writeConcern: {}}));

st.stop();