chromium/src/third_party/blink/web_tests/svg/dom/SVGScriptElement/script-clone-rerun.svg

<?xml version="1.0"?>
<svg width="100%" height="100%" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xhtml="http://www.w3.org/1999/xhtml">
<defs>
<script>
var i = 0;
</script>
</defs>
<text x="15" y="30" font-size="15">This tests cloning a script element that has already started and inserting it into the document does not re-run the script. You should see PASS:</text>
<defs><script> i++; </script></defs>
<defs>
<script type="text/javascript">

if (window.testRunner)
    testRunner.dumpAsText();

var script = document.getElementsByTagName('script')[1];
var defs = script.parentNode;
defs.removeChild(script);
defs.appendChild(script.cloneNode(true));

result = 'PASS';
if (i == 2)
  result = 'FAIL: script ran twice';
else if (i > 2)
  result = 'FAIL: script ran ' + i + ' times';

var textElement = document.createElementNS("http://www.w3.org/2000/svg", "text");
textElement.textContent = result;
textElement.setAttribute('x', 15);
textElement.setAttribute('y', 45+10);
textElement.setAttribute('font-size', 15);
document.getElementsByTagName('svg')[0].appendChild(textElement);

</script>
</defs>
</svg>