<!DOCTYPE html>
<html>
<head>
<style>
  style, script, head {
    display: block;
  }
</style>
<script>
function runTest()
{
  document.documentElement.appendChild(document.createElement('input'));
  document.execCommand('SelectAll');
  document.designMode = 'on';
  document.execCommand('JustifyRight');
  document.execCommand('FormatBlock', false, 'div');
  if (window.testRunner)
      testRunner.dumpAsText();
  document.documentElement.textContent = 'PASS. WebKit did not crash.';
}
window.onload = runTest;
</script>
</head>
<body></body>
</html>