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<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=254337
-->
<head>
  <title>Test for Bug 254337</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=254337">Mozilla Bug 254337</a>
<p id="display"></p>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 254337 **/

var el = document.createElement("div");
el.setAttribute("class", "foobar1");
is(el.className, "foobar1", "Wrong className!");
el.className += " foobar2 ";
is(el.className, "foobar1 foobar2 ", "Appending to className didn't work!");
el.className += "foobar3";
is(el.className, "foobar1 foobar2 foobar3", "Appending to className didn't work!");

var el = document.createElement("div");
el.setAttribute("class", " foobar1 ");
is(el.className, " foobar1 ", "Wrong className!");
el.className += "foobar2";
is(el.className, " foobar1 foobar2", "Appending to className didn't work!");
el.setAttribute("class", "   ");
is(el.getAttribute("class"), "   ", "class attribute didn't store the right value!");

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

