forked from mirrors/gecko-dev
0a8ff0ad85
# ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D35951 --HG-- extra : source : 62f3501af4bc1c0bd1ee1977a28aee04706a6663
74 lines
2.4 KiB
JavaScript
74 lines
2.4 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// Simple tab wrapper abstracting our messaging mechanism;
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class KnownTab {
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constructor(name, tab) {
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this.name = name;
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this.tab = tab;
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}
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cleanup() {
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this.tab = null;
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}
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}
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// Simple data structure class to help us track opened tabs and their pids.
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class KnownTabs {
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constructor() {
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this.byPid = new Map();
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this.byName = new Map();
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}
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cleanup() {
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this.byPid = null;
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this.byName = null;
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}
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}
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/**
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* Open our helper page in a tab in its own content process, asserting that it
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* really is in its own process. We initially load and wait for about:blank to
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* load, and only then loadURI to our actual page. This is to ensure that
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* LocalStorageManager has had an opportunity to be created and populate
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* mOriginsHavingData.
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*
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* (nsGlobalWindow will reliably create LocalStorageManager as a side-effect of
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* the unconditional call to nsGlobalWindow::PreloadLocalStorage. This will
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* reliably create the StorageDBChild instance, and its corresponding
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* StorageDBParent will send the set of origins when it is constructed.)
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*/
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async function openTestTabInOwnProcess(helperPageUrl, name, knownTabs) {
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let realUrl = helperPageUrl + "?" + encodeURIComponent(name);
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// Load and wait for about:blank.
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let tab = await BrowserTestUtils.openNewForegroundTab({
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gBrowser,
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opening: "about:blank",
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forceNewProcess: true,
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});
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let pid = tab.linkedBrowser.frameLoader.remoteTab.osPid;
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ok(!knownTabs.byName.has(name), "tab needs its own name: " + name);
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ok(!knownTabs.byPid.has(pid), "tab needs to be in its own process: " + pid);
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let knownTab = new KnownTab(name, tab);
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knownTabs.byPid.set(pid, knownTab);
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knownTabs.byName.set(name, knownTab);
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// Now trigger the actual load of our page.
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BrowserTestUtils.loadURI(tab.linkedBrowser, realUrl);
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await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
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is(tab.linkedBrowser.frameLoader.remoteTab.osPid, pid, "still same pid");
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return knownTab;
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}
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/**
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* Close all the tabs we opened.
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*/
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async function cleanupTabs(knownTabs) {
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for (let knownTab of knownTabs.byName.values()) {
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BrowserTestUtils.removeTab(knownTab.tab);
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knownTab.cleanup();
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}
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knownTabs.cleanup();
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}
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