/* 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/. */ ChromeUtils.importESModule("resource://gre/modules/Timer.sys.mjs"); const {NetUtil} = ChromeUtils.import("resource://gre/modules/NetUtil.jsm"); const {TestUtils} = ChromeUtils.importESModule("resource://testing-common/TestUtils.sys.mjs"); function getWindowlessBrowser(url) { let ssm = Services.scriptSecurityManager; let uri = NetUtil.newURI(url); let principal = ssm.createContentPrincipal(uri, {}); let webnav = Services.appShell.createWindowlessBrowser(false); let docShell = webnav.docShell; docShell.createAboutBlankContentViewer(principal, principal); let document = webnav.document; let video = document.createElement("video"); document.documentElement.appendChild(video); let shadowRoot = video.openOrClosedShadowRoot; ok(shadowRoot, "should have shadowRoot"); ok(shadowRoot.isUAWidget(), "ShadowRoot should be a UAWidget"); equal(Cu.getGlobalForObject(shadowRoot), Cu.getUAWidgetScope(principal), "shadowRoot should be in UAWidget scope"); return webnav; } function StubPolicy(id) { return new WebExtensionPolicy({ id, mozExtensionHostname: id, baseURL: `file:///{id}`, allowedOrigins: new MatchPatternSet([]), localizeCallback(string) {}, }); } // See https://bugzilla.mozilla.org/show_bug.cgi?id=1588356 add_task(async function() { let policy = StubPolicy("foo"); policy.active = true; let webnav = getWindowlessBrowser("moz-extension://foo/a.html"); webnav.close(); // Wrappers are nuked asynchronously, so wait for that to happen. await TestUtils.topicObserved("inner-window-nuked"); webnav = getWindowlessBrowser("moz-extension://foo/a.html"); webnav.close(); policy.active = false; });