frame-src-javascript-url.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:
- /content-security-policy/inheritance/frame-src-javascript-url.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

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

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

<meta http-equiv="Content-Security-Policy" content="frame-src 'none'">

<script>

  const iframe_url = new URL("./support/empty.html", location.href);

  // Regression test for: https://crbug.com/1064676

  promise_test(async (t) => {

    await new Promise(r => window.onload = r);

    let url = `javascript:

      window.addEventListener('securitypolicyviolation', e => {

        parent.postMessage({

          originalPolicy: e.originalPolicy,

          blockedURI: e.blockedURI,

});

});

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

      iframe.src = '${iframe_url}';

      document.body.appendChild(iframe);

`;

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

    iframe.src = encodeURI(url.replace(/\n/g, ""));

    let violation = new Promise(r => window.addEventListener("message", r));

    document.body.appendChild(iframe);

    let {data} = await violation;

    assert_equals(data.originalPolicy, "frame-src 'none'");

    assert_equals(data.blockedURI, iframe_url.toString());

  }, "<iframe src='javascript:...'>'s inherits policy (dynamically inserted <iframe> is blocked)");

</script>