tor-browser

The Tor Browser
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file_animations_async_tests.html (2274B)

      1 <!DOCTYPE HTML>
      2 <html>
      3 <head>
      4  <meta charset="utf-8">
      5  <title>Test for Bug 1086937</title>
      6  <script>
      7    var is = opener.is.bind(opener);
      8    var ok = opener.ok.bind(opener);
      9    var todo = opener.todo.bind(opener);
     10    function finish() {
     11      var o = opener;
     12      self.close();
     13      o.SimpleTest.finish();
     14    }
     15  </script>
     16  <script type="application/javascript" src="animation_utils.js"></script>
     17  <style>
     18  /* must use implicit value at one end */
     19  @keyframes slide-left { from { margin-left: -1000px } }
     20  </style>
     21  <script type="application/javascript">
     22 
     23  var gDisplay;
     24 
     25  function run() {
     26    gDisplay = document.getElementById("display");
     27    opener.SimpleTest.executeSoon(test1);
     28  }
     29 
     30  /*
     31   * Bug 1086937 - Animations continue correctly across load of
     32   * downloadable font.
     33   */
     34  function test1() {
     35    var animdiv = document.createElement("div");
     36    // Take control of the refresh driver right from the start
     37    advance_clock(0);
     38    animdiv.style.animation = "slide-left 100s linear"; // 10px per second
     39    gDisplay.appendChild(animdiv);
     40    var cs = getComputedStyle(animdiv, "");
     41    is(cs.marginLeft, "-1000px", "initial value of animation (force flush)");
     42    advance_clock(1000);
     43    is(cs.marginLeft, "-990px", "value of animation before font load");
     44 
     45    var font = new FontFace("DownloadedAhem", "url(Ahem.ttf)");
     46    document.fonts.add(font);
     47 
     48    var fontdiv = document.createElement("div");
     49    fontdiv.appendChild(document.createTextNode("A"));
     50    fontdiv.style.fontFamily = "DownloadedAhem";
     51    gDisplay.appendChild(fontdiv);
     52 
     53    font.load().then(function(loadedFace) {
     54      is(cs.marginLeft, "-990px", "value of animation after font load " +
     55                                  "(clock only advances when we say so)");
     56      advance_clock(1000);
     57      is(cs.marginLeft, "-980px",
     58         "animation should still be advancing after font load");
     59 
     60      SpecialPowers.DOMWindowUtils.restoreNormalRefresh();
     61      document.fonts.delete(font);
     62      animdiv.remove();
     63      fontdiv.remove();
     64 
     65      finish();
     66    });
     67  }
     68 
     69  </script>
     70 </head>
     71 <body onload="run()">
     72 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1086937">Mozilla Bug 1086937</a>
     73 <div id="display"></div>
     74 <pre id="test">
     75 </pre>
     76 </body>
     77 </html>