tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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javascript-url-task-queuing.html (2153B)

      1 <!DOCTYPE html>
      2 <meta charset="utf-8">
      3 <title>javascript: URL task queuing</title>
      4 <link rel="help" href="https://github.com/whatwg/html/issues/3730">
      5 <script src="/resources/testharness.js"></script>
      6 <script src="/resources/testharnessreport.js"></script>
      7 
      8 <body>
      9 <script>
     10 "use strict";
     11 
     12 testIsAsync(() => {
     13  const iframe = document.createElement("iframe");
     14  document.body.append(iframe);
     15  iframe.contentWindow.location.href = "javascript:window.top.javascriptURLRan = true; window.top.resolveTestPromise();";
     16 }, `Navigating an iframe via location.href to a javascript: URL must queue a task`);
     17 
     18 testIsAsync(() => {
     19  const iframe = document.createElement("iframe");
     20  iframe.src = "javascript:window.top.javascriptURLRan = true; window.top.resolveTestPromise();";
     21  document.body.append(iframe);
     22 }, `Navigating an iframe via src="" to a javascript: URL before insertion must queue a task`);
     23 
     24 testIsAsync(() => {
     25  const iframe = document.createElement("iframe");
     26  document.body.append(iframe);
     27  iframe.src = "javascript:window.top.javascriptURLRan = true; window.top.resolveTestPromise();";
     28 }, `Navigating an iframe via src="" to a javascript: URL after insertion must queue a task`);
     29 
     30 testIsAsync(() => {
     31  const w = window.open();
     32  w.location.href = "javascript:window.opener.javascriptURLRan = true; window.opener.resolveTestPromise();";
     33 }, `Navigating an opened window via location.href to a javascript: URL must queue a task`);
     34 
     35 testIsAsync(() => {
     36  window.open("javascript:window.opener.javascriptURLRan = true; window.opener.resolveTestPromise();");
     37 }, `Navigating an opened window as part of creation to a javascript: URL must queue a task`);
     38 
     39 function testIsAsync(setupFunc, description) {
     40  promise_test(async t => {
     41    t.add_cleanup(() => {
     42      delete window.resolveTestPromise;
     43      delete window.javascriptURLRan;
     44    });
     45 
     46    const ranPromise = new Promise(resolve => {
     47      window.resolveTestPromise = resolve;
     48    });
     49 
     50    setupFunc();
     51 
     52    assert_equals(window.javascriptURLRan, undefined, "Must not run sync");
     53 
     54    // Ensure that we do actually run the code, though.
     55    await ranPromise;
     56  }, description);
     57 }
     58 </script>