mozilla-central/browser/base/content/test/tabMediaIndicator/browser_destroy_iframe.js (file symbol)

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Test Info: Errors

const EMPTY_PAGE_URL = GetTestWebBasedURL("file_empty.html");
const AUTPLAY_PAGE_URL = GetTestWebBasedURL("file_autoplay_media.html");
const CORS_AUTPLAY_PAGE_URL = GetTestWebBasedURL(
"file_autoplay_media.html",
true
);
/**
* When an iframe that has audible media gets destroyed, if there is no other
* audible playing media existing in the page, then the sound indicator should
* disappear.
*/
add_task(async function testDestroyAudibleIframe() {
const iframesURL = [AUTPLAY_PAGE_URL, CORS_AUTPLAY_PAGE_URL];
for (let iframeURL of iframesURL) {
info(`open a tab, create an iframe and load an autoplay media page inside`);
const tab = await BrowserTestUtils.openNewForegroundTab(
gBrowser,
EMPTY_PAGE_URL
);
await createIframeAndLoadURL(tab, iframeURL);
info(`sound indicator should appear because of audible playing media`);
await waitForTabSoundIndicatorAppears(tab);
info(`sound indicator should disappear after destroying iframe`);
await removeIframe(tab);
await waitForTabSoundIndicatorDisappears(tab);
info("remove tab");
BrowserTestUtils.removeTab(tab);
}
});
function createIframeAndLoadURL(tab, url) {
// eslint-disable-next-line no-shadow
return SpecialPowers.spawn(tab.linkedBrowser, [url], async url => {
const iframe = content.document.createElement("iframe");
content.document.body.appendChild(iframe);
iframe.src = url;
info(`load ${url} for iframe`);
await new Promise(r => (iframe.onload = r));
});
}
function removeIframe(tab) {
return SpecialPowers.spawn(tab.linkedBrowser, [], _ => {
content.document.getElementsByTagName("iframe")[0].remove();
});
}