forked from mirrors/gecko-dev
38 lines
1.2 KiB
JavaScript
38 lines
1.2 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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/* eslint-disable mozilla/no-arbitrary-setTimeout */
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"use strict";
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const FRAME_SCRIPT = getRootDirectory(gTestPath) + "content-reflows.js";
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const ADDITIONAL_WAIT_MS = 2000;
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/*
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* Ensure that loading about:newtab doesn't cause uninterruptible reflows.
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*/
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add_task(async function() {
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await BrowserTestUtils.openNewForegroundTab(gBrowser, () => {
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return gBrowser.selectedTab = BrowserTestUtils.addTab(gBrowser, "about:blank", {animate: false});
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}, false);
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let browser = gBrowser.selectedBrowser;
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let mm = browser.messageManager;
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mm.loadFrameScript(FRAME_SCRIPT, true);
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mm.addMessageListener("newtab-reflow", ({data: stack}) => {
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ok(false, `unexpected uninterruptible reflow ${stack}`);
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});
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let browserLoadedPromise = BrowserTestUtils.waitForEvent(browser, "load", true);
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browser.loadURI("about:newtab");
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await browserLoadedPromise;
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// Wait some more to catch sync reflows after the page has loaded.
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await new Promise(resolve => {
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setTimeout(resolve, ADDITIONAL_WAIT_MS);
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});
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// Clean up.
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gBrowser.removeCurrentTab({animate: false});
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ok(true, "Each test requires at least one pass, fail or todo so here is a pass.");
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});
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