animations/negative-delay.html

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
        "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
  <title>For Bug 26150 - Negative values for animation-delay are ignored</title>
  <style type="text/css">
    .square {
      background: blue;
      width: 20px;
      height: 20px;
      position: absolute;
      -webkit-animation-duration: 2s;
      -webkit-animation-iteration-count: 1;
      -webkit-animation-timing-function: linear;
    }

    .move {
      -webkit-animation-name: square-move;
    }

    .translate {
      -webkit-animation-name: square-translate;
    }

    @-webkit-keyframes square-move {
      0%    { left: 0px; }
      100%  { left: 600px; }
    }

    @-webkit-keyframes square-translate {
      0%    { -webkit-transform: translateX(0); }
      100%  { -webkit-transform: translateX(600px); }
    }

    #square1 {
      top: 20px;
      left: 20px;
      -webkit-animation-delay: -1s;
    }

    #square2 {
      top: 60px;
      left: 20px;
    }

    #square3 {
      top: 100px;
      left: 20px;
      -webkit-animation-delay: -1s;
    }

    #square4 {
      top: 140px;
      left: 20px;
    }
  </style>

  <script src="resources/animation-test-helpers.js" type="text/javascript" charset="utf-8"></script>

  <script>
    // The delay of square1 is negative so square1 should be in ahead of square2.
    const expectedValues = [
      // [animation-name, time, element-id, property, expected-value, tolerance]
      ["square-move", 0, "square1", "left", 300, 15],
      ["square-move", 0, "square2", "left", 0, 15],
      ["square-move", 0.5, "square1", "left", 450, 15],
      ["square-move", 0.5, "square2", "left", 150, 15],
      ["square-translate", 0, "square3", "webkitTransform.4", 300, 20],
      ["square-translate", 0, "square4", "webkitTransform.4", 0, 20],
      ["square-translate", 0.5, "square3", "webkitTransform.4", 450, 20],
      ["square-translate", 0.5, "square4", "webkitTransform.4", 150, 20],
    ];

    runAnimationTest(expectedValues);
  </script>
</head>

<body>

<div class="square move" id="square1"></div>
<div class="square move" id="square2"></div>
<div class="square translate" id="square3"></div>
<div class="square translate" id="square4"></div>

<div id="result">
</div>

</body>
</html>