Quelle file_animations_async_tests.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/layout/style/test/file_animations_async_tests.html

<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Test for Bug 1086937</title>
  <script>
    var is = opener.is.bind(opener);
    var ok = opener.ok.bind(opener);
    var todo = opener.todo.bind(opener);
    function finish() {
      var o = opener;
      self.close();
      o.SimpleTest.finish();
    }
  </script>
  <script type="application/javascript" src="animation_utils.js"></script>
  <style>
  /* must use implicit value at one end */
  @keyframes slide-left { from { margin-left: -1000px } }
  </style>
  <script type="application/javascript">

  var gDisplay;

  function run() {
    gDisplay = document.getElementById("display");
    opener.SimpleTest.executeSoon(test1);
  }

  /*
   * Bug 1086937 - Animations continue correctly across load of
   * downloadable font.
   */
  function test1() {
    var animdiv = document.createElement("div");
    // Take control of the refresh driver right from the start
    advance_clock(0);
    animdiv.style.animation = "slide-left 100s linear"; // 10px per second
    gDisplay.appendChild(animdiv);
    var cs = getComputedStyle(animdiv, "");
    is(cs.marginLeft, "-1000px", "initial value of animation (force flush)");
    advance_clock(1000);
    is(cs.marginLeft, "-990px", "value of animation before font load");

    var font = new FontFace("DownloadedAhem", "url(Ahem.ttf)");
    document.fonts.add(font);

    var fontdiv = document.createElement("div");
    fontdiv.appendChild(document.createTextNode("A"));
    fontdiv.style.fontFamily = "DownloadedAhem";
    gDisplay.appendChild(fontdiv);

    font.load().then(function(loadedFace) {
      is(cs.marginLeft, "-990px", "value of animation after font load " +
                                  "(clock only advances when we say so)");
      advance_clock(1000);
      is(cs.marginLeft, "-980px",
         "animation should still be advancing after font load");

      SpecialPowers.DOMWindowUtils.restoreNormalRefresh();
      document.fonts.delete(font);
      animdiv.remove();
      fontdiv.remove();

      finish();
    });
  }

  </script>
</head>
<body onload="run()">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1086937">Mozilla Bug 1086937</a>
<div id="display"></div>
<pre id="test">
</pre>
</body>
</html>

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¤ Dauer der Verarbeitung: 0.13 Sekunden (vorverarbeitet am 2026-06-05) ¤

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