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Test Info:
- Manifest: dom/ipc/tests/browser.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
add_task(async function test_subframe_pbrowser_creation_failure() {
await BrowserTestUtils.withNewTab(
async browser => {
let bcid = await SpecialPowers.spawn(browser, [], () => {
return content.document.body.querySelector("iframe").browsingContext.id;
});
// We currently have no known way to trigger PBrowser creation failure,
// other than to use this custom pref for the purpose.
info(`enabling failPBrowserCreation for browsingContext: ${bcid}`);
await SpecialPowers.pushPrefEnv({
set: [
["browser.tabs.remote.testOnly.failPBrowserCreation.enabled", true],
[
"browser.tabs.remote.testOnly.failPBrowserCreation.browsingContext",
`${bcid}`,
],
],
});
let eventFiredPromise = BrowserTestUtils.waitForEvent(
browser,
"oop-browser-crashed"
);
info("triggering navigation which will fail pbrowser creation");
await SpecialPowers.spawn(browser, [], () => {
content.document.body.querySelector("iframe").src =
});
info("Waiting for oop-browser-crashed event.");
let event = await eventFiredPromise;
ok(!event.isTopFrame, "should be reporting subframe crash");
Assert.equal(
event.childID,
0,
"childID should be zero, as no process actually crashed"
);
is(event.browsingContextId, bcid, "bcid should match");
let { subject: windowGlobal } = await BrowserUtils.promiseObserved(
"window-global-created",
wgp => wgp.documentURI.spec.startsWith("about:framecrashed")
);
is(windowGlobal.browsingContext.id, bcid, "bcid is correct");
await SpecialPowers.popPrefEnv();
}
);
});