/* 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";
requestLongerTimeout(10);
const TEST_PAGE =
"http://mochi.test:8888/browser/dom/ipc/tests/file_cancel_content_js.html";
const NEXT_PAGE =
"http://mochi.test:8888/browser/dom/ipc/tests/";
const JS_URI =
"javascript:void(document.title = 'foo')";
async
function test_navigation(nextPage, shouldCancel) {
await SpecialPowers.pushPrefEnv({
set: [
[
"dom.max_script_run_time", 20],
// Force a single process so that the navigation will complete in the same
// process as the previous page which is running the long-running script.
[
"dom.ipc.processCount", 1],
[
"dom.ipc.processCount.webIsolated", 1],
],
});
let tab = await BrowserTestUtils.openNewForegroundTab({
gBrowser,
opening: TEST_PAGE,
});
const loopEnded = ContentTask.spawn(tab.linkedBrowser, [], async
function () {
await
new Promise(resolve => {
content.addEventListener(
"LongLoopEnded", resolve, {
once:
true,
});
});
});
// Wait for the test page's long-running JS loop to start.
await ContentTask.spawn(tab.linkedBrowser, [],
function () {
content.dispatchEvent(
new content.Event(
"StartLongLoop"));
});
info(`navigating to ${nextPage}`);
const nextPageLoaded = BrowserTestUtils.waitForContentEvent(
tab.linkedBrowser,
"DOMTitleChanged"
);
BrowserTestUtils.startLoadingURIString(gBrowser, nextPage);
const result = await Promise.race([
nextPageLoaded,
loopEnded.then(() =>
"timeout"),
]);
const timedOut = result ===
"timeout";
if (shouldCancel) {
Assert.strictEqual(timedOut,
false,
"expected next page to be loaded");
}
else {
Assert.strictEqual(timedOut,
true,
"expected timeout");
}
BrowserTestUtils.removeTab(tab);
}
add_task(async () => test_navigation(NEXT_PAGE,
true));
add_task(async () => test_navigation(JS_URI,
false));