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<!DOCTYPE HTML>
<html>
<head>
<title>WebGL in OffscreenCanvas</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
</head>
<body>
<script>

SimpleTest.waitForExplicitFinish();

function runTest() {
  var registration;

  window.onmessage = function(evt) {
    var msg = evt.data || {};
    if (msg.type == "test") {
      ok(msg.result, msg.name);
    }
    if (msg.type == "finish") {
      registration.unregister().then(function() {
        SimpleTest.finish();
      });
    }
  }

  navigator.serviceWorker.register('offscreencanvas.js', { scope: "."})
    // Wait until the service worker is active.
    .then(function(swr) {
      registration = swr;
      return navigator.serviceWorker.ready;
    })
    // ...and then show the interface for the commands once it's ready.
    .then(function() {
      iframe = document.createElement("iframe");
      iframe.setAttribute('src', "offscreencanvas_serviceworker_inner.html");
      document.body.appendChild(iframe);
    })
}

SpecialPowers.pushPrefEnv({'set': [
  ['gfx.offscreencanvas.enabled', true],
  ['webgl.force-enabled', true],
  ["dom.serviceWorkers.exemptFromPerDomainMax", true],
  ["dom.serviceWorkers.enabled", true],
  ["dom.serviceWorkers.testing.enabled", true]
]}, runTest);

</script>
</body>
</html>