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/* 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/. */
// Simple tab wrapper abstracting our messaging mechanism;
class KnownTab {
constructor(name, tab) {
this.name = name;
this.tab = tab;
}
cleanup() {
this.tab = null;
}
}
// Simple data structure class to help us track opened tabs and their pids.
class KnownTabs {
constructor() {
this.byPid = new Map();
this.byName = new Map();
}
cleanup() {
this.byPid = null;
this.byName = null;
}
}
/**
* Open our helper page in a tab in its own content process, asserting that it
* really is in its own process. We initially load and wait for about:blank to
* load, and only then loadURI to our actual page. This is to ensure that
* LocalStorageManager has had an opportunity to be created and populate
* mOriginsHavingData.
*
* (nsGlobalWindow will reliably create LocalStorageManager as a side-effect of
* the unconditional call to nsGlobalWindow::PreloadLocalStorage. This will
* reliably create the StorageDBChild instance, and its corresponding
* StorageDBParent will send the set of origins when it is constructed.)
*/
async function openTestTabInOwnProcess(helperPageUrl, name, knownTabs) {
let realUrl = helperPageUrl + "?" + encodeURIComponent(name);
// Load and wait for about:blank.
let tab = await BrowserTestUtils.openNewForegroundTab({
gBrowser,
opening: "about:blank",
forceNewProcess: true,
});
let pid = tab.linkedBrowser.frameLoader.remoteTab.osPid;
ok(!knownTabs.byName.has(name), "tab needs its own name: " + name);
ok(!knownTabs.byPid.has(pid), "tab needs to be in its own process: " + pid);
let knownTab = new KnownTab(name, tab);
knownTabs.byPid.set(pid, knownTab);
knownTabs.byName.set(name, knownTab);
// Now trigger the actual load of our page.
BrowserTestUtils.loadURI(tab.linkedBrowser, realUrl);
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
is(tab.linkedBrowser.frameLoader.remoteTab.osPid, pid, "still same pid");
return knownTab;
}
/**
* Close all the tabs we opened.
*/
async function cleanupTabs(knownTabs) {
for (let knownTab of knownTabs.byName.values()) {
BrowserTestUtils.removeTab(knownTab.tab);
knownTab.cleanup();
}
knownTabs.cleanup();
}
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