1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef mozilla_dom_WorkerTestUtils__ 8 #define mozilla_dom_WorkerTestUtils__ 9 10 namespace mozilla { 11 12 class ErrorResult; 13 14 namespace dom { 15 16 /** 17 * dom/webidl/WorkerTestUtils.webidl defines APIs to expose worker's internal 18 * status for glass-box testing. The APIs are only exposed to Workers with prefs 19 * dom.workers.testing.enabled. 20 * 21 * WorkerTestUtils is the implementation of dom/webidl/WorkerTestUtils.webidl 22 */ 23 class WorkerTestUtils final { 24 public: 25 /** 26 * Expose the worker's current timer nesting level. 27 * 28 * The worker's current timer nesting level means the executing timer 29 * handler's timer nesting level. When there is no executing timer handler, 0 30 * should be returned by this API. The maximum timer nesting level is 5. 31 * 32 * https://html.spec.whatwg.org/#timer-initialisation-steps 33 */ 34 static uint32_t CurrentTimerNestingLevel(const GlobalObject&, 35 ErrorResult& aErr); 36 }; 37 38 } // namespace dom 39 } // namespace mozilla 40 #endif 41