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firefox/dom/xhr/tests/browser_xhr_onchange_leak.js
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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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/.
*/
// Bug 1336811 - An XHR that has a .onreadystatechange waiting should
// not leak forever once the tab is closed. CC optimizations need to be
// turned off once it is closed.
add_task(async function test() {
const url =
"http://mochi.test:8888/browser/dom/xhr/tests/browser_xhr_onchange_leak.html";
let newTab = await BrowserTestUtils.openNewForegroundTab(gBrowser, url);
let browser = gBrowser.selectedBrowser;
let origContentProcessId = browser.frameLoader.remoteTab.contentProcessId;
let pageShowPromise = BrowserTestUtils.waitForContentEvent(
browser,
"pageshow",
true
);
BrowserTestUtils.startLoadingURIString(browser, "http://mochi.test:8888/");
await pageShowPromise;
is(
browser.frameLoader.remoteTab.contentProcessId,
origContentProcessId,
"we must still be in the same process after we navigate " +
"so the entire process with the possibly-leaking window " +
"doesn't get torn down"
);
BrowserTestUtils.removeTab(newTab);
});