<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=404320
-->
<head>
  <title>Test for Bug 404320</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=404320">Mozilla Bug 404320</a>
<p id="display"></p>
<div id="content">
  <iframe id="testIframe"></iframe>
</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 404320 */

SimpleTest.waitForExplicitFinish();

function runTests() {
  var win = document.getElementById("testIframe").contentWindow;
  var doc = document.getElementById("testIframe").contentDocument;

  function testFormatBlock(tag, withAngleBrackets, shouldSucceed) {
    win.getSelection().selectAllChildren(doc.body.firstChild);
    doc.execCommand("FormatBlock", false,
                    withAngleBrackets ? tag : "<" + tag + ">");
    var resultNode;
    if (shouldSucceed && (tag == "dd" || tag == "dt")) {
      is(doc.body.firstChild.tagName, "DL", "tag was changed");
      resultNode = doc.body.firstChild.firstChild;
    } else {
      resultNode = doc.body.firstChild;
    }

    is(resultNode.tagName, shouldSucceed ? tag.toUpperCase() : "P", "tag was changed");
  }

  function formatBlockTests(tags, shouldSucceed) {
    var html = "<p>Content</p>";
    for (var i = 0; i < tags.length; ++i) {
      var tag = tags[i];

      doc.body.innerHTML = html;
      testFormatBlock(tag, false, shouldSucceed);

      doc.body.innerHTML = html;
      testFormatBlock(tag, true, shouldSucceed);
    }
  }

  doc.designMode = "on";

  var goodTags = [ "address",
                   "blockquote",
                   "dd",
                   "div",
                   "dl",
                   "dt",
                   "h1",
                   "h2",
                   "h3",
                   "h4",
                   "h5",
                   "h6",
                   "p",
                   "pre" ];
  var badTags =  [ "b",
                   "i",
                   "span",
                   "foo" ];

  formatBlockTests(goodTags, true);
  formatBlockTests(badTags, false);
  SimpleTest.finish();
}

addLoadEvent(runTests);

</script>
</pre>
</body>
</html>