gecko-dev/dom/webidl/TestUtils.webidl

/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * The origin of this IDL file is
 * https://testutils.spec.whatwg.org/#the-testutils-namespace
 */

[Exposed=(Window,Worker),
 Pref="dom.testing.testutils.enabled"]
namespace TestUtils {
  [NewObject, Throws] Promise<void> gc();
};