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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=563416
+-->
+<head>
+ <title>Test for Bug 563416</title>
+ <script type="application/javascript" 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=563416">Mozilla Bug 563416</a>
+<p id="display"><iframe id="test" src='data:text/html,<textarea style="box-sizing:content-box; -moz-appearance:none; height: 0px; padding: 0px;" cols="20" rows="10">hsldkjvmshlkkajskdlfksdjflskdjflskdjflskdjflskdjfddddddddd</textarea>'></iframe></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+<script type="application/javascript">
+
+/** Test for Bug 563416 **/
+
+var result = -1;
+var expected = -2;
+var i = 0;
+
+function runTest() {
+ i = 0;
+ var frame = document.getElementById('test');
+ frame.onload = function() {
+ var t = frame.contentDocument.documentElement.getElementsByTagName("textarea")[0];
+ expected = t.clientWidth + 10;
+ t.style.width = expected + 'px';
+ result = t.clientWidth;
+ if (i == 0) {
+ i++;
+ setTimeout(function(){frame.contentWindow.location.reload();},0);
+ }
+ else {
+ is(result, expected, "setting style.width changes clientWidth");
+ SimpleTest.finish();
+ }
+ }
+ frame.contentWindow.location.reload();
+}
+
+SimpleTest.waitForExplicitFinish();
+addLoadEvent(runTest);
+
+
+</script>
+</pre>
+</body>
+</html>