third_party/WebKit/LayoutTests/transitions/cancel-transition.html

   1 <!DOCTYPE html>
   2
   3 <html>
   4 <head>
   5     <style>
   6         #container {
   7             width: 700px;
   8             background-color: #fcc;
   9         }
  10
  11         #container div {
  12             position: relative;
  13             background-color: #933;
  14             width: 200px;
  15             height: 50px;
  16             left: 50px;
  17             margin-top: 10px;
  18         }
  19         #container.run #left {
  20             left: 450px;
  21             -webkit-transition-property: left;
  22             -webkit-transition-duration: 1s;
  23             -webkit-transition-timing-function: linear;
  24         }
  25         #container.run #translate {
  26             transform: translate(400px, 0px);
  27             -webkit-transition-property: transform;
  28             -webkit-transition-duration: 1s;
  29             -webkit-transition-timing-function: linear;
  30         }
  31     </style>
  32     <script>
  33         if (window.testRunner) {
  34             testRunner.dumpAsText();
  35             testRunner.waitUntilDone();
  36         }
  37
  38         function isEqual(actual, desired, tolerance)
  39         {
  40             var diff = Math.abs(actual - desired);
  41             return diff < tolerance;
  42         }
  43
  44         function cancelTransition()
  45         {
  46             document.getElementById("container").className = "";
  47             document.body.offsetHeight;
  48         }
  49
  50         function restartTransition()
  51         {
  52             document.getElementById("container").className = "run";
  53             document.body.offsetHeight;
  54             // The transition should restart at the beginning here. After 250 it should be halfway done.
  55             setTimeout(check, 500);
  56         }
  57
  58         function check()
  59         {
  60             var left = parseFloat(window.getComputedStyle(document.getElementById('left')).left);
  61             result = "left: ";
  62             if (!isEqual(left, 250, 50))
  63                 result += "<span style='color:red'>FAIL (was: " + left + ", expected: 250)</span>";
  64             else
  65                 result += "<span style='color:green'>PASS</span>";
  66
  67             result += ", webkitTransform: ";
  68
  69             var transform = window.getComputedStyle(document.getElementById('translate')).webkitTransform;
  70             transform = transform.split("(");
  71             transform = transform[1].split(",");
  72             if (!isEqual(transform[4], 200, 50))
  73                 result += "<span style='color:red'>FAIL (was: " + transform[4] + ", expected: 200)</span>";
  74             else
  75                 result += "<span style='color:green'>PASS</span>";
  76
  77             document.getElementById('result').innerHTML = result;
  78             if (window.testRunner)
  79                 testRunner.notifyDone();
  80         }
  81
  82         function start()
  83         {
  84             document.getElementById("container").className = "run";
  85             document.body.offsetHeight;
  86             setTimeout("cancelTransition()", 200);
  87             setTimeout("restartTransition()", 400);
  88         }
  89     </script>
  90 </head>
  91 <body onload="start()">
  92 <p>
  93     Test removes the transition properties while the transition is running, then adds them back in.
  94     If working properly the transitions should start from the beginning. But there was a bug that
  95     would cause the transition to continue to run (although with no visible effect). So when you
  96     restarted, it would pick up where it left off.
  97 </p>
  98 <div id="container">
  99     <div id="left">left</div>
 100     <div id="translate">translate</div>
 101 </div>
 102 <div id="result"></div>
 103 </body>
 104 </html>