tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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matches-about-blank-base-url.window.js (1213B)

      1 // Verify that an iframe whose URL "matches about:blank" [1] uses its about base
      2 // URL and initiator/creator origin.
      3 //
      4 // [1]: https://html.spec.whatwg.org/#matches-about:blank
      5 onload = () => {
      6  async_test(t => {
      7    const iframe = document.createElement('iframe');
      8    // Navigate the iframe away from the initial about:blank Document [1] to
      9    // isolate the effects of a "matches about:blank" URL.
     10    //
     11    // [1]: https://html.spec.whatwg.org/#is-initial-about:blank
     12    iframe.src = '/common/blank.html';
     13 
     14    iframe.addEventListener('load', e => {
     15      assert_equals(iframe.contentWindow.location.pathname, '/common/blank.html');
     16 
     17      // Navigate the iframe to a URL that "matches about:blank" but isn't exactly
     18      // "about:blank".
     19      iframe.onload = t.step_func_done(() => {
     20        assert_equals(iframe.contentDocument.URL, 'about:blank?query#fragment');
     21        assert_equals(iframe.contentWindow.origin, window.origin);
     22        assert_equals(iframe.contentDocument.baseURI, document.baseURI);
     23      });
     24      iframe.src = 'about:blank?query#fragment';
     25    }, {once: true});
     26 
     27    document.body.appendChild(iframe);
     28  }, "about:blank and about:blank?foo#bar both 'match about:blank'");
     29 };