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Test Info:
- Manifest: dom/base/test/fullscreen/browser.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
requestLongerTimeout(2);
// Import helpers
Services.scriptloader.loadSubScript(
this
);
// This test tends to trigger a race in the fullscreen time telemetry,
// where the fullscreen enter and fullscreen exit events (which use the
// same histogram ID) overlap. That causes TelemetryStopwatch to log an
SimpleTest.ignoreAllUncaughtExceptions(true);
add_setup(async function () {
await pushPrefs(
["full-screen-api.transition-duration.enter", "0 0"],
["full-screen-api.transition-duration.leave", "0 0"],
["full-screen-api.allow-trusted-requests-only", false]
);
});
function preventBFCache(aBrowsingContext, aPrevent) {
return SpecialPowers.spawn(aBrowsingContext, [aPrevent], prevent => {
if (prevent) {
// Using a dummy onunload listener to disable the bfcache.
content.window.addEventListener("unload", () => {});
}
content.window.addEventListener(
"pagehide",
e => {
// XXX checking persisted property causes intermittent failures, so we
// is(e.persisted, !prevent, `Check BFCache state`);
info(`Check BFCache state: e.persisted is ${e.persisted}`);
},
{ once: true }
);
});
}
[true, false].forEach(crossOrigin => {
[true, false].forEach(initialPagePreventsBFCache => {
[true, false].forEach(fullscreenPagePreventsBFCache => {
add_task(async function navigation_history() {
info(
`crossOrigin: ${crossOrigin}, initialPagePreventsBFCache: ${initialPagePreventsBFCache}, fullscreenPagePreventsBFCache: ${fullscreenPagePreventsBFCache}`
);
await BrowserTestUtils.withNewTab(
{
gBrowser,
},
async function (browser) {
// Maybe prevent BFCache on initial page.
await preventBFCache(
browser.browsingContext,
initialPagePreventsBFCache
);
// Navigate to fullscreen page.
const url = crossOrigin
const loaded = BrowserTestUtils.browserLoaded(browser, false, url);
BrowserTestUtils.startLoadingURIString(browser, url);
await loaded;
// Maybe prevent BFCache on fullscreen test page.
await preventBFCache(
browser.browsingContext,
fullscreenPagePreventsBFCache
);
// Trigger click event to enter fullscreen.
let promiseFsState = waitForFullscreenState(document, true);
SpecialPowers.spawn(browser.browsingContext, [], () => {
content.setTimeout(() => {
content.document.getElementById("div").click();
}, 0);
});
await promiseFsState;
// Navigate back to the previous page should exit fullscreen.
promiseFsState = waitForFullscreenState(document, false);
await SpecialPowers.spawn(browser.browsingContext, [], () => {
content.window.history.back();
});
await promiseFsState;
}
);
});
});
});
});