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Test Info:

/* Any copyright is dedicated to the Public Domain.
"use strict";
add_task(async function test_pip_keyboard_shortcut_with_nan_video_duration() {
await BrowserTestUtils.withNewTab(
{
url: TEST_PAGE_WITH_NAN_VIDEO_DURATION,
gBrowser,
},
async browser => {
const VIDEO_ID = "test-video";
await SpecialPowers.spawn(browser, [VIDEO_ID], async videoID => {
let video = content.document.getElementById(videoID);
if (video.readyState < content.HTMLMediaElement.HAVE_ENOUGH_DATA) {
info(`Waiting for 'canplaythrough' for ${videoID}`);
await ContentTaskUtils.waitForEvent(video, "canplaythrough");
}
});
let domWindowOpened = BrowserTestUtils.domWindowOpenedAndLoaded(null);
let videoReady = SpecialPowers.spawn(
browser,
[VIDEO_ID],
async videoID => {
let video = content.document.getElementById(videoID);
await ContentTaskUtils.waitForCondition(() => {
return video.isCloningElementVisually;
}, "Video is being cloned visually.");
}
);
if (AppConstants.platform == "macosx") {
EventUtils.synthesizeKey("]", {
accelKey: true,
shiftKey: true,
altKey: true,
});
} else {
EventUtils.synthesizeKey("]", { accelKey: true, shiftKey: true });
}
let pipWin = await domWindowOpened;
await videoReady;
ok(pipWin, "Got Picture-in-Picture window.");
pipWin.close();
}
);
});