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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=489415
-->
<head>
<title>Test for Bug 489415</title>
<script type="application/javascript" src="/MochiKit/MochiKit.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script type="text/javascript" src="manifest.js"></script>
<style>
video {
width: 40%;
border: solid black 1px;
}
</style>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=489415">Mozilla Bug 489415</a>
<p id="display"></p>
<pre id="test">
<script type="text/javascript">
SimpleTest.waitForExplicitFinish();
var pushPrefs = (...p) => SpecialPowers.pushPrefEnv({ set: p });
var count = 0;
function canReadBack(video) {
var c = document.createElement("canvas");
var ctx = c.getContext("2d");
ctx.drawImage(video, 0, 0);
try {
var data_url = c.toDataURL();
var empty_canvas = document.createElement("canvas");
if (empty_canvas.toDataURL() === data_url) {
info("Readback check returned same data URL as empty canvas.");
} else {
info("Readback check returned different data URL than empty canvas.");
}
return true;
} catch (ex) {
return false;
}
}
function runTest(origin, shouldReadBackOnLoad) {
return new Promise(function (resolve) {
// Load will redirect mid-flight, which will be detected and should error,
// and we should no longer be able to readback.
var video = document.createElement("video");
video.preload = "metadata";
video.controls = true;
var url = "http://" + origin + "/tests/dom/media/test/midflight-redirect.sjs"
+ "?resource=pixel_aspect_ratio.mp4&type=video/mp4";
SimpleTest.info("Loading from " + url);
video.src = url;
document.body.appendChild(video);
once(video, "loadeddata", () => {
is(canReadBack(video), shouldReadBackOnLoad, "Should be able to readback");
video.play();
});
once(video, "error", () => {
if(video.readyState == video.HAVE_METADATA) {
is(canReadBack(video), true, "Should be able to readback with readyState == HAVE_METADATA");
} else {
is(canReadBack(video), false, "Should not be able to readback with readyState != HAVE_METADATA");
}
removeNodeAndSource(video);
resolve();
});
once(video, "ended", () => {
ok(false, "Should not be able to playback to end, we should have errored!");
removeNodeAndSource(video);
resolve();
});
});
}
Promise.all([
runTest("mochi.test:8888", true),
runTest("example.org", false),
]).then(SimpleTest.finish);
</script>
</pre>
</body>
</html>
|
