test_eme_canvas_blocked.html

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This test gets skipped with pattern: os == 'linux' && (asan || debug) OR os == 'android' OR apple_silicon
Manifest: dom/media/test/mochitest_eme.toml

<!DOCTYPE HTML>

<html>

<head>

  <title>Test Encrypted Media Extensions</title>

  <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>

  <script type="text/javascript" src="eme.js"></script>

</head>

<body>

<pre id="test">

<script class="testbody" type="text/javascript">

var manager = new MediaTestManager();

function startTest(test, token) {

  manager.started(token);

  let v = document.createElement("video");

  v.preload = "auto"; // Required due to "canplay" not firing for MSE unless we do this.

  var p1 = new EMEPromise();

  v.addEventListener("loadeddata", function(ev) {

    var video = ev.target;

    var canvas = document.createElement("canvas");

    canvas.width = video.videoWidth;

    canvas.height = video.videoHeight;

    document.body.appendChild(canvas);

    var ctx = canvas.getContext("2d");

    ctx.drawImage(video, 0, 0);

    if (canvas.width || canvas.height) {

      let pixels = ctx.getImageData(0, 0, canvas.width, canvas.height).data;

      for (let byte of pixels) {

        if (byte != 0) {

          ok(false, "Should not draw EME video to canvas");

          // We don't need a log for each pixel, break after 1st failure.

          break;

    p1.resolve();

});

  let p2 = SetupEME(v, test, token);

  Promise.all([p1.promise, p2])

    .catch(reason => ok(false, reason))

    .then(() => {

      CleanUpMedia(v);

      manager.finished(token);

});

SimpleTest.waitForExplicitFinish();

manager.runTests(gEMETests, startTest);

</script>

</pre>

</body>

</html>