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Test Info:

<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<title>Test for Bug 412901</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=412901">Mozilla Bug 412901</a>
<div id="testDiv" style="width:20px; height:20px; border:solid silver; border-left-width:0.2px; border-right-width:0px; border-top-width:2.3px; border-bottom-width:5.5px;">
<div id="testDiv2" style="width:20px; height:20px; border:hidden solid silver; border-left-width:0.2px; border-right-width:0px; border-top-width:2.3px; border-bottom-width:5.5px;">
<p id="display"></p>
</div>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
/** Test for Bug 412901 **/
var div = document.getElementById("testDiv");
var computedStyle = document.defaultView.getComputedStyle(div);
// we never round down to 0px, very small widths are rounded up to 1px
is(computedStyle.borderLeftWidth, "1px");
is(computedStyle.borderRightWidth, "0px");
is(computedStyle.borderTopWidth, "2px");
is(computedStyle.borderBottomWidth, "5px");
var div2 = document.getElementById("testDiv2");
var computedStyle2 = document.defaultView.getComputedStyle(div2);
is(computedStyle2.borderLeftWidth, "0px");
is(computedStyle2.borderRightWidth, "0px");
is(computedStyle2.borderTopWidth, "0px");
is(computedStyle2.borderBottomWidth, "0px");
</script>
</pre>
</body>
</html>