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+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+  <title>Test for SMIL Restart Behavior </title>
+  <script 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()">
+  <!-- These 3 circles only differ in their animation's "restart" value -->
+  <circle cx="20" cy="20" r="15" fill="blue">
+    <animate attributeName="cx" from="20" to="100" begin="1s" dur="4s"
+             restart="always" id="always" attributeType="XML"/>
+  </circle>
+  <circle cx="20" cy="60" r="15" fill="blue">
+    <animate attributeName="cx" from="20" to="100" begin="1s" dur="4s"
+             restart="whenNotActive" id="whenNotActive" attributeType="XML"/>
+  </circle>
+  <circle cx="20" cy="100" r="15" fill="blue">
+    <animate attributeName="cx" from="20" to="100" begin="1s" dur="4s"
+             restart="never" id="never" attributeType="XML"/>
+  </circle>
+</svg>
+</div>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+<![CDATA[
+/** Test for SMIL Restart Behavior  **/
+
+/* Global Variables */
+var svg = document.getElementById("svg");
+var always = document.getElementById("always");
+var whenNotActive = document.getElementById("whenNotActive");
+var never = document.getElementById("never");
+
+SimpleTest.waitForExplicitFinish();
+
+function tryRestart(elem, state, expected) {
+  var restartTime = svg.getCurrentTime();
+  elem.beginElement();
+  var restart = false;
+  try {
+    restart = (elem.getStartTime() === restartTime);
+  } catch (e) {
+    if (e.name != "InvalidStateError" ||
+        e.code != DOMException.INVALID_STATE_ERR)
+      throw e;
+    restart = false;
+  }
+  if (expected) {
+    var msg = elem.id + " can't restart in " + state + " state";
+    ok(restart, msg);
+  } else {
+    var msg = elem.id + " can restart in " + state + " state";
+    ok(!restart, msg);
+  }
+}
+
+function main() {
+  ok(svg.animationsPaused(), "should be paused by <svg> load handler");
+  is(svg.getCurrentTime(), 0, "should be paused at 0 in <svg> load handler");
+
+  // At first everything should be starting at 1s
+  is(always.getStartTime(), 1);
+  is(whenNotActive.getStartTime(), 1);
+  is(never.getStartTime(), 1);
+
+  // Now try to restart everything early, should be allowed by all
+  tryRestart(always, "waiting", true);
+  tryRestart(whenNotActive, "waiting", true);
+  tryRestart(never, "waiting", true);
+
+  // Now skip to half-way
+  var newTime = always.getStartTime() + 0.5 * always.getSimpleDuration();
+  svg.setCurrentTime(newTime);
+
+  // Only 'always' should be able to be restarted
+  tryRestart(always, "active", true);
+  tryRestart(whenNotActive, "active", false);
+  tryRestart(never, "active", false);
+
+  // Now skip to the end 
+  newTime = always.getStartTime() + always.getSimpleDuration() + 1;
+  svg.setCurrentTime(newTime);
+
+  // All animations have finished, so 'always' and 'whenNotActive' should be
+  // able to be restarted
+  tryRestart(always, "postactive", true);
+  tryRestart(whenNotActive, "postactive", true);
+  tryRestart(never, "postactive", false);
+
+  SimpleTest.finish();
+}
+
+window.addEventListener("load", main);
+]]>
+</script>
+</pre>
+</body>
+</html>