gecko-dev/dom/smil/test/test_smilReset.xhtml

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title>Tests for SMIL Reset Behavior </title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none">
<svg id="svg" xmlns="http://www.w3.org/2000/svg" width="120px" height="120px"
     onload="this.pauseAnimations()">
  <circle cx="20" cy="20" r="15" fill="blue">
    <animate attributeName="cx" from="20" to="100" begin="2s" dur="4s"
             id="anim1" attributeType="XML"/>
  </circle>
</svg>
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
<![CDATA[
/** Tests for SMIL Reset Behavior  **/

SimpleTest.waitForExplicitFinish();

function main() {
  var svg = document.getElementById("svg");
  ok(svg.animationsPaused(), "should be paused by <svg> load handler");
  is(svg.getCurrentTime(), 0, "should be paused at 0 in <svg> load handler");

  var anim = document.getElementById("anim1");
  is(anim.getStartTime(), 2, "Unexpected initial start time");

  svg.setCurrentTime(1);
  anim.beginElementAt(2);

  // We now have two instance times: 2, 3

  // Restart (and reset) animation at t=1
  anim.beginElement();

  // Instance times should now be 1, 2 (3 should have be reset)
  is(anim.getStartTime(), 1,
    "Unexpected start time after restart. Perhaps the added instance time "
    + "was cleared");
  svg.setCurrentTime(4);
  // Instance times will now be 2 (1 will have be reset when we restarted)
  is(anim.getStartTime(), 2, "Unexpected start time after seek");

  // Create a two new instance times at t=4, 5
  anim.beginElement();
  anim.beginElementAt(1);
  is(anim.getStartTime(), 4, "Unexpected start time after beginElement");

  // Here is a white box test to make sure we don't discard instance times
  // created by DOM calls when setting/unsetting the 'begin' spec
  anim.removeAttribute('begin');
  is(anim.getStartTime(), 4, "Unexpected start time after clearing begin spec");
  svg.setCurrentTime(6);
  is(anim.getStartTime(), 5,
    "Second DOM instance time cleared when begin spec was removed");

  // And likewise, when we set it again
  anim.beginElementAt(1); // Instance times now t=5s, 7s
  anim.setAttribute('begin', '1s'); // + t=1s
  is(anim.getStartTime(), 5, "Unexpected start time after setting begin spec");
  svg.setCurrentTime(8);
  is(anim.getStartTime(), 7,
    "Second DOM instance time cleared when begin spec was added");

  // But check we do update state appropriately
  anim.setAttribute('begin', '8s');
  is(anim.getStartTime(), 8, "Interval not updated with updated begin spec");

  SimpleTest.finish();
}

window.addEventListener("load", main, false);
]]>
</script>
</pre>
</body>
</html>