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Test Info:
- Manifest: dom/media/test/mochitest.toml
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Test media playback and bfcache</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<script>
SimpleTest.requestFlakyTimeout("Need some timer to wait for the audio to play");
SimpleTest.waitForExplicitFinish();
var duration = 0;
// The test opens a page and another page with a media element is loaded.
// The media element plays an audio file and starts again and sends
// statistics about it and then history.back() is called. The test waits
// for 1s + duration of the audio file and goes forward. The audio playback
// shouldn't have progressed while the page was in the bfcache.
function test() {
let bc1 = new BroadcastChannel("bc1");
let pageshow1Count = 0;
bc1.onmessage = function(e) {
if (e.data == "pageshow") {
++pageshow1Count;
info("Page 1 pageshow " + pageshow1Count);
if (pageshow1Count == 1) {
bc1.postMessage("loadNext");
} else if (pageshow1Count == 2) {
setTimeout(function() {
bc1.postMessage("forward");
bc1.close();
}, (Math.round(duration) + 1) * 1000);
}
}
};
let bc2 = new BroadcastChannel("bc2");
let pageshow2Count = 0;
let statisticsCount = 0;
bc2.onmessage = function(e) {
if (e.data.event == "pageshow") {
++pageshow2Count;
info("Page 2 pageshow " + pageshow2Count);
if (pageshow2Count == 2) {
ok(e.data.persisted, "Should have persisted the page.");
bc2.postMessage("statistics");
}
} else {
++statisticsCount;
if (statisticsCount == 1) {
duration = e.data.duration;
bc2.postMessage("back");
} else {
is(statisticsCount, 2, "Should got two play events.");
ok(e.data.currentTime < e.data.duration,
"Should have stopped the playback while the page was in bfcache." +
"currentTime: " + e.data.currentTime + " duration: " + e.data.duration);
bc2.close();
SimpleTest.finish();
}
}
};
window.open("file_playback_and_bfcache.html", "", "noopener");
}
</script>
</head>
<body onload="test()">
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test"></pre>
</body>
</html>