gecko-dev/accessible/tests/browser/browser_shutdown_remote_no_reference.js
2017-11-14 11:21:32 -05:00

70 lines
3 KiB
JavaScript

/* 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/. */
"use strict";
add_task(async function() {
// Making sure that the e10s is enabled on Windows for testing.
await setE10sPrefs();
await BrowserTestUtils.withNewTab({
gBrowser,
url: `data:text/html,
<html>
<head>
<meta charset="utf-8"/>
<title>Accessibility Test</title>
</head>
<body></body>
</html>`
}, async function(browser) {
info("Creating a service in parent and waiting for service to be created " +
"in content");
// Create a11y service in the main process. This will trigger creating of
// the a11y service in parent as well.
let parentA11yInit = initPromise();
let contentA11yInit = initPromise(browser);
let parentConsumersChanged = a11yConsumersChangedPromise();
let contentConsumersChanged =
ContentTask.spawn(browser, {}, a11yConsumersChangedPromise);
let accService = Cc["@mozilla.org/accessibilityService;1"].getService(
Ci.nsIAccessibilityService);
ok(accService, "Service initialized in parent");
await Promise.all([parentA11yInit, contentA11yInit]);
await parentConsumersChanged.then(data => Assert.deepEqual(data, {
XPCOM: true, MainProcess: false, PlatformAPI: false
}, "Accessibility service consumers in parent are correct."));
await contentConsumersChanged.then(data => Assert.deepEqual(data, {
XPCOM: false, MainProcess: true, PlatformAPI: false
}, "Accessibility service consumers in content are correct."));
Assert.deepEqual(JSON.parse(accService.getConsumers()), {
XPCOM: true, MainProcess: false, PlatformAPI: false
}, "Accessibility service consumers in parent are correct.");
info("Removing a service in parent and waiting for service to be shut " +
"down in content");
// Remove a11y service reference in the main process.
let parentA11yShutdown = shutdownPromise();
let contentA11yShutdown = shutdownPromise(browser);
parentConsumersChanged = a11yConsumersChangedPromise();
contentConsumersChanged =
ContentTask.spawn(browser, {}, a11yConsumersChangedPromise);
accService = null;
ok(!accService, "Service is removed in parent");
// Force garbage collection that should trigger shutdown in both main and
// content process.
forceGC();
await Promise.all([parentA11yShutdown, contentA11yShutdown]);
await parentConsumersChanged.then(data => Assert.deepEqual(data, {
XPCOM: false, MainProcess: false, PlatformAPI: false
}, "Accessibility service consumers are correct."));
await contentConsumersChanged.then(data => Assert.deepEqual(data, {
XPCOM: false, MainProcess: false, PlatformAPI: false
}, "Accessibility service consumers are correct."));
});
// Unsetting e10s related preferences.
await unsetE10sPrefs();
});