57 lines
2 KiB
JavaScript
57 lines
2 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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add_task(async function test_subframe_pbrowser_creation_failure() {
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await BrowserTestUtils.withNewTab(
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"https://example.com/document-builder.sjs?html=<iframe></iframe>",
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async browser => {
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let bcid = await SpecialPowers.spawn(browser, [], () => {
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return content.document.body.querySelector("iframe").browsingContext.id;
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});
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// We currently have no known way to trigger PBrowser creation failure,
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// other than to use this custom pref for the purpose.
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info(`enabling failPBrowserCreation for browsingContext: ${bcid}`);
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await SpecialPowers.pushPrefEnv({
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set: [
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["browser.tabs.remote.testOnly.failPBrowserCreation.enabled", true],
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[
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"browser.tabs.remote.testOnly.failPBrowserCreation.browsingContext",
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`${bcid}`,
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],
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],
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});
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let eventFiredPromise = BrowserTestUtils.waitForEvent(
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browser,
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"oop-browser-crashed"
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);
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info("triggering navigation which will fail pbrowser creation");
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await SpecialPowers.spawn(browser, [], () => {
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content.document.body.querySelector("iframe").src =
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"https://example.org/document-builder.sjs?html=frame";
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});
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info("Waiting for oop-browser-crashed event.");
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let event = await eventFiredPromise;
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ok(!event.isTopFrame, "should be reporting subframe crash");
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Assert.equal(
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event.childID,
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0,
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"childID should be zero, as no process actually crashed"
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);
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is(event.browsingContextId, bcid, "bcid should match");
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let { subject: windowGlobal } = await BrowserUtils.promiseObserved(
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"window-global-created",
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wgp => wgp.documentURI.spec.startsWith("about:framecrashed")
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);
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is(windowGlobal.browsingContext.id, bcid, "bcid is correct");
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await SpecialPowers.popPrefEnv();
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}
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);
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});
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