simultaneous-start-left.html | Explore in Territory

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
   "http://www.w3.org/TR/html4/loose.dtd">

<html lang="en">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  <title>Test simultaneous starting of two animations</title>
  <style type="text/css" media="screen">
    .box {
      position: relative;
      left: 100px;
      height: 100px;
      width: 100px;
      background-color: blue;
      animation-duration: 10s;
      animation-timing-function: linear;
      animation-name: anim;
    }
    @keyframes anim {
        from { left: 10px; }
        to   { left: 810px; }
    }
    #box1 {
        top: 10px;
        background-color: blue;
    }
    #box2 {
        top: 10px;
        background-color: red;
    }
  </style>
  <script src="resources/animation-test-helpers.js" type="text/javascript" charset="utf-8"></script>
  <script type="text/javascript" charset="utf-8">

    const expectedValues = [
      // [time, element-id, property, expected-value, tolerance]
      [2, "box1", "left", 170, 5],
      [2, "box2", "left", 170, 5],
      [2, ["box1", "box2"], "left", "", 0],
      [5, "box1", "left", 410, 5],
      [5, "box2", "left", 410, 5],
      [5, ["box1", "box2"], "left", "", 0],
      [8, "box1", "left", 650, 5],
      [8, "box2", "left", 650, 5],
      [8, ["box1", "box2"], "left", "", 0],
    ];
    
    runAnimationTest(expectedValues);
    
  </script>
</head>
<body>
This test performs an animation of the left property. It animates over 10 seconds.
It takes 3 snapshots and expects each result to be within a specified range.
<div id="box1" class="box">
</div>
<div id="box2" class="box">
</div>
<div id="result">
</div>
</body>
</html>
chromium/third_party/blink/web_tests/animations/simultaneous-start-left.html
