<!doctype html>
<html>
    <head>
        <meta charset="utf-8">
        <title>Blobs and opaque origins, worker</title>
        <script src="/resources/testharness.js"></script>
        <script src="/resources/testharnessreport.js"></script>
    </head>
    <body>
<script>
function with_iframe(url) {
  return new Promise(function(resolve) {
      var frame = document.createElement('iframe');
      frame.srcdoc = url;
      frame.onload = function() { resolve(frame); };
      document.body.appendChild(frame);
    });
}

promise_test(async (t) => {
    const frame = await with_iframe('<'+ 'script>' +
        'onload = () => {' +
        '    const blob = new Blob(["self.postMessage(self.isSecureContext)"]);' +
        '    const worker = new Worker(URL.createObjectURL(blob));' +
        '    worker.onmessage = (e) => parent.postMessage(e.data);' +
        '}' +
        '</' + 'script>');
    const result = await new Promise(resolve => window.onmessage = (e) => resolve(e.data));
    frame.remove();
    test(() => {
        assert_true(result);
    }, "Check worker secure context from a blob created in opaque origin but secure context");
}, "Load opaque origin blobs for worker");
</script>
    </body>
</html>