timing-functions.html | Explore in Territory

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<html lang="en">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  <title>Test timing functions</title>
  <style type="text/css" media="screen">
    .box {
      position: relative;
      left: 100px;
      top: 0px;
      height: 5px;
      width: 5px;
      background-color: blue;
      animation-duration: 1s;
      animation-iteration-count: infinite;
      animation-name: anim;
    }
    @keyframes anim {
        from { left: 100px; }
        to   { left: 200px; }
    }

    .box-step-middle {
      position: relative;
      left: 100px;
      top: 0px;
      height: 5px;
      width: 5px;
      background-color: blue;
      animation-duration: 1s;
      animation-iteration-count: infinite;
      animation-name: anim-step-middle;
      /* 
       * Set initial timing function to something other than the default (ease)
       * to check that attempts to set easing to step-middle result in the
       * default, not the initial, being used.
       */
      animation-timing-function: linear;
    }
    @keyframes anim-step-middle {
        from { left: 100px; }
        to   { left: 200px; }
    }

    #box1 {
    }
    #box2 {
      animation-timing-function: ease;
    }
    #box3 {
      animation-timing-function: linear;
    }
    #box4 {
      animation-timing-function: step-start;
    }
    #box5 {
      animation-timing-function: step-end;
    }
    #box6 {
      animation-timing-function: steps(3);
    }
    #box7 {
      animation-timing-function: steps(3, start);
    }
    #box8 {
      animation-timing-function: steps(3, end);
    }
  </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]
      [0.25, "box1", "left", 141, 5],
      [0.50, "box1", "left", 180, 5],
      [0.75, "box1", "left", 196, 5],
      [0.25, "box2", "left", 141, 5],
      [0.50, "box2", "left", 180, 5],
      [0.75, "box2", "left", 196, 5],
      [0.25, "box3", "left", 125, 5],
      [0.50, "box3", "left", 150, 5],
      [0.75, "box3", "left", 175, 5],
      [0.25, "box4", "left", 200, 5],
      [0.50, "box4", "left", 200, 5],
      [0.75, "box4", "left", 200, 5],
      [0.25, "box5", "left", 100, 5],
      [0.50, "box5", "left", 100, 5],
      [0.75, "box5", "left", 100, 5],
      [0.25, "box6", "left", 100, 5],
      [0.50, "box6", "left", 133, 5],
      [0.75, "box6", "left", 166, 5],
      [0.25, "box7", "left", 133, 5],
      [0.50, "box7", "left", 166, 5],
      [0.75, "box7", "left", 200, 5],
      [0.25, "box8", "left", 100, 5],
      [0.50, "box8", "left", 133, 5],
      [0.75, "box8", "left", 166, 5],
    ];
    
    runAnimationTest(expectedValues);
    
  </script>
</head>
<body>
This test performs an animation of the left property. It animates over 1 second.
It takes 3 snapshots and expects each result to be within a specified range.
<div class="box" id="box1">
</div>
<div class="box" id="box2">
</div>
<div class="box" id="box3">
</div>
<div class="box" id="box4">
</div>
<div class="box" id="box5">
</div>
<div class="box" id="box6">
</div>
<div class="box" id="box7">
</div>
<div class="box" id="box8">
</div>
<div id="result">
</div>
</body>
</html>
chromium/third_party/blink/web_tests/animations/timing/timing-functions.html
