window.html - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /content-security-policy/inheritance/window.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="img-src 'none'">

<body>

<script>

  function wait_for_error_from_window(w, test) {

    window.addEventListener('message', test.step_func(e => {

      if (e.source != w)

        return;

      assert_equals(e.data, "error");

      w.close();

      test.done();

    }));

  async_test(t => {

    var w = window.open();

    var img = document.createElement('img');

    img.onerror = t.step_func_done(_ => w.close());

    img.onload = t.unreached_func();

    img.src = "/images/red-16x16.png";

    w.document.body.appendChild(img);

  }, "window.open() inherits policy.");

  async_test(t => {

    var w = window.open();

    wait_for_error_from_window(w, t);

    w.document.write(`

      <img src='/images/red-16x16.png'

        onload='window.opener.postMessage("load", "*");'

        onerror='window.opener.postMessage("error", "*");'

`);

  }, "`document.write` into `window.open()` inherits policy.");

  async_test(t => {

    var b = new Blob(

[`

        <img src='${window.origin}/images/red-16x16.png'

          onload='window.opener.postMessage("load", "*");'

          onerror='window.opener.postMessage("error", "*");'

      `], {type:"text/html"});

    wait_for_error_from_window(window.open(URL.createObjectURL(b)), t);

  }, "window.open('blob:...') inherits policy.");

  // Navigation to top-level `data:` is blocked.

  async_test(t => {

    var url =

        `javascript:"<img src='${window.origin}/images/red-16x16.png'

          onload='window.opener.postMessage(\\"load\\", \\"*\\");'

          onerror='window.opener.postMessage(\\"error\\", \\"*\\");'

        >"`;

    wait_for_error_from_window(window.open(url), t);

  }, "window.open('javascript:...') inherits policy.");

</script>