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Test Info:
- Manifest: dom/ipc/tests/browser.toml
/* 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
"use strict";
requestLongerTimeout(10);
const TEST_PAGE =
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));