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<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
                 type="text/css"?>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=473284
-->
<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
onload="
var result = '';
try {
  document.commandDispatcher.advanceFocusIntoSubtree({});
  result += '1';
} catch (ex) {
  result += '.';
}

try {
  document.commandDispatcher.advanceFocusIntoSubtree(document.documentElement);
  result += '2';
} catch (ex) {
  result += '.';
}

try {
  document.commandDispatcher.advanceFocusIntoSubtree(null);
  result += '3';
} catch (ex) {
  result += '.';
}

try {
  document.commandDispatcher.focusedElement = {};
  result += '4';
} catch (ex) {
  result += '.';
}

try {
  document.commandDispatcher.focusedElement = document.documentElement;
  result += '5';
} catch (ex) {
  result += '.';
}

try {
  document.commandDispatcher.focusedElement = null;
  result += '6';
} catch (ex) {
  result += '.';
}

try {
  document.commandDispatcher.focusedWindow = {};
  result += 'a';
} catch (ex) {
  result += '.';
}

try {
  document.commandDispatcher.focusedWindow = null;
  result += 'b';
} catch (ex) {
  result += '.';
}

try {
  document.commandDispatcher.focusedWindow = window;
  result += 'c';
} catch (ex) {
  result += '.';
}

is(result, '.23.56.bc', 'The correct assignments throw.');
">
  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

  <!-- test results are displayed in the html:body -->
  <body xmlns="http://www.w3.org/1999/xhtml">
  <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=473284"
     target="_blank">Mozilla Bug 473284</a>
  </body>
</window>