tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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shared-storage-writable-fetch-request-for-data-url.tentative.https.sub.html (609B)

      1 <!doctype html>
      2 <body>
      3  <script src=/resources/testharness.js></script>
      4  <script src=/resources/testharnessreport.js></script>
      5  <script>
      6    'use strict';
      7 
      8    promise_test(async t => {
      9       const innerCode =
     10         `window.parent.postMessage({fetchStatus: "success"}, '*');`;
     11       const dataURL = 'data:text/javascript;base64,'
     12         + btoa(unescape(encodeURIComponent(innerCode)));
     13        await promise_rejects_js(t, TypeError,
     14                                 fetch(dataURL, {sharedStorageWritable: true}));
     15 
     16    }, 'shared storage fetch request disallowed for data URL');
     17  </script>
     18 </body>