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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
/**
* Tests that if somehow about:newtab loads before about:home does, that we
* don't use the cache. This is because about:newtab doesn't use the cache,
* and so it'll inevitably be newer than what's in the about:home cache,
* which will put the about:home cache out of date the next time about:home
* eventually loads.
*/
add_task(async function test_no_cache_on_SessionStartup_restore() {
await withFullyLoadedAboutHome(async browser => {
await simulateRestart(browser, { skipAboutHomeLoad: true });
// We remove the preloaded browser to ensure that loading the next
// about:newtab occurs now, and not at preloading time.
NewTabPagePreloading.removePreloadedBrowser(window);
let tab = await BrowserTestUtils.openNewForegroundTab(
gBrowser,
"about:newtab"
);
let newWin = await BrowserTestUtils.openNewBrowserWindow();
// The cache is disqualified because about:newtab was loaded first.
// So now it's too late to use the cache.
await ensureDynamicAboutHome(
newWin.gBrowser.selectedBrowser,
AboutHomeStartupCache.CACHE_RESULT_SCALARS.LATE
);
await BrowserTestUtils.closeWindow(newWin);
await BrowserTestUtils.removeTab(tab);
});
});