image-document-applies-csp.html

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This WPT test may be referenced by the following Test IDs:
- /content-security-policy/generic/image-document-applies-csp.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8">

<head>

  <title>CSP header applied to image document</title>

  <link rel="help" href="https://github.com/servo/servo/issues/38180">

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

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

</head>

<body>

  <iframe id="iframe" src="../support/pass.png?pipe=header(Content-Security-Policy,default-src 'none')"></iframe>

  <script>

    let iframe = document.getElementById("iframe");

    promise_test(async t => {

      await t.step_wait(() => {

        return iframe.contentDocument.querySelector("img") !== null;

      }, "Wait for image document to be loaded", 5000, 100);

      return new Promise((resolve, reject) => {

        let newImg = iframe.contentDocument.createElement("img");

        newImg.onload = reject;

        newImg.onerror = resolve;

        newImg.src = "../support/fail.png";

        iframe.contentDocument.body.appendChild(newImg);

});

    }, "Image document correctly applies CSP to other subresources.");

  </script>

</body>