mozilla-central/dom/media/mediacontrol/tests/browser/browser_media_control_keys_event.js (file symbol)

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Test Info: Warnings

const PAGE =
const testVideoId = "video";
/**
* This test is used to generate platform-independent media control keys event
* and see if media can be controlled correctly and current we only support
* `play`, `pause`, `playPause` and `stop` events.
*/
add_task(async function setupTestingPref() {
await SpecialPowers.pushPrefEnv({
set: [["media.mediacontrol.testingevents.enabled", true]],
});
});
add_task(async function testPlayPauseAndStop() {
info(`open page and start media`);
const tab = await createLoadedTabWrapper(PAGE);
await playMedia(tab, testVideoId);
info(`pressing 'pause' key`);
MediaControlService.generateMediaControlKey("pause");
await checkOrWaitUntilMediaStoppedPlaying(tab, testVideoId);
info(`pressing 'play' key`);
MediaControlService.generateMediaControlKey("play");
await checkOrWaitUntilMediaStartedPlaying(tab, testVideoId);
info(`pressing 'stop' key`);
MediaControlService.generateMediaControlKey("stop");
await checkOrWaitUntilMediaStoppedPlaying(tab, testVideoId);
info(`Has stopped controlling media, pressing 'play' won't resume it`);
MediaControlService.generateMediaControlKey("play");
await checkOrWaitUntilMediaStoppedPlaying(tab, testVideoId);
info(`remove tab`);
await tab.close();
});
add_task(async function testPlayPause() {
info(`open page and start media`);
const tab = await createLoadedTabWrapper(PAGE);
await playMedia(tab, testVideoId);
info(`pressing 'playPause' key, media should stop`);
MediaControlService.generateMediaControlKey("playpause");
await Promise.all([
new Promise(r => (tab.controller.onplaybackstatechange = r)),
checkOrWaitUntilMediaStoppedPlaying(tab, testVideoId),
]);
info(`pressing 'playPause' key, media should start`);
MediaControlService.generateMediaControlKey("playpause");
await Promise.all([
new Promise(r => (tab.controller.onplaybackstatechange = r)),
checkOrWaitUntilMediaStartedPlaying(tab, testVideoId),
]);
info(`remove tab`);
await tab.close();
});