policy-extends-to-sandbox.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /permissions-policy/policy-extends-to-sandbox.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>permissions policy treats opaque origins correctly</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<body>

<script>

  "use strict";

  async_test(t => {

    let frame = document.createElement('iframe');

    frame.src = "/permissions-policy/resources/sandbox-self.html";

    frame.allow = "fullscreen";

    frame.sandbox = "allow-scripts";

    var handle_message = t.step_func(evt => {

      if (evt.source === frame.contentWindow) {

        assert_equals(evt.data.child, true, "'self' in header should match origin of sandboxed frame.");

        assert_equals(evt.data.grandchild, false, "Opaque origins should not match each other.");

        document.body.removeChild(frame);

        window.removeEventListener('message', handle_message);

        t.done();

});

    window.addEventListener('message', handle_message);

    document.body.appendChild(frame);

});

</script>