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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
const FRAME_SCRIPT = getRootDirectory(gTestPath) + "content-reflows.js";
const ADDITIONAL_WAIT_MS = 2000;
/*
* Ensure that loading about:newtab doesn't cause uninterruptible reflows.
*/
add_task(function* () {
yield BrowserTestUtils.openNewForegroundTab(gBrowser, () => {
return gBrowser.selectedTab = gBrowser.addTab("about:blank", {animate: false});
}, false);
let browser = gBrowser.selectedBrowser;
let mm = browser.messageManager;
mm.loadFrameScript(FRAME_SCRIPT, true);
mm.addMessageListener("newtab-reflow", ({data: stack}) => {
ok(false, `unexpected uninterruptible reflow ${stack}`);
});
let browserLoadedPromise = BrowserTestUtils.waitForEvent(browser, "load", true);
browser.loadURI("about:newtab");
yield browserLoadedPromise;
// Wait some more to catch sync reflows after the page has loaded.
yield new Promise(resolve => {
setTimeout(resolve, ADDITIONAL_WAIT_MS);
});
// Clean up.
gBrowser.removeCurrentTab({animate: false});
ok(true, "Each test requires at least one pass, fail or todo so here is a pass.");
});
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