File: javascript-url.html

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<!doctype html>
<html>
  <head>
    <title>javascript: aliases security origin</title>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
  </head>
  <body>
    <script>
      promise_test(t => {
        let iframe = document.createElement('iframe');
        document.body.appendChild(iframe);
        // Should not throw: srcdoc should always be same-origin.
        iframe.contentDocument;

        iframe.contentWindow.location = 'javascript:"Hello world!"';
        return new Promise(resolve => {
          iframe.addEventListener('load', resolve);
        }).then(() => {
          // Explicitly set `domain` component of origin: any other same-origin
          // browsing contexts are now cross-origin unless they also explicitly
          // set document.domain to the same value.
          document.domain = document.domain;
          // Should not throw: the origin should be aliased, so setting
          // document.domain in one Document should affect both Documents.
          assert_equals(
              iframe.contentWindow.document.body.textContent,
              'Hello world!');
        });
      });
    </script>
  </body>
</html>