'use strict'; const common = require('../common'); const assert = require('assert'); if (common.isWindows) { assert.strictEqual(process.initgroups, undefined); return; } const { isMainThread } = require('worker_threads'); if (!isMainThread) { return; } [undefined, null, true, {}, [], () => {}].forEach((val) => { assert.throws( () => { process.initgroups(val); }, { code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError', message: 'The "user" argument must be ' + 'one of type number or string.' + common.invalidArgTypeHelper(val) } ); }); [undefined, null, true, {}, [], () => {}].forEach((val) => { assert.throws( () => { process.initgroups('foo', val); }, { code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError', message: 'The "extraGroup" argument must be ' + 'one of type number or string.' + common.invalidArgTypeHelper(val) } ); }); assert.throws( () => { process.initgroups( 'fhqwhgadshgnsdhjsdbkhsdabkfabkveyb', 'fhqwhgadshgnsdhjsdbkhsdabkfabkveyb' ); }, { code: 'ERR_UNKNOWN_CREDENTIAL', message: 'Group identifier does not exist: fhqwhgadshgnsdhjsdbkhsdabkfabkveyb' } );