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Test Info:

<!DOCTYPE HTML>
<html>
<!--
<head>
<title>Test for Bug 616774</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=616774">Mozilla Bug 616774</a>
<p id="display"></p>
<div id="content" style="display: none">
42
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
/** Test for Bug 616774 **/
is(document.evaluate('- "8"', document, null, XPathResult.ANY_TYPE, null).numberValue, -8, "Negated string literal should evaluate to itself negated");
is(document.evaluate('- - "999"', document, null, XPathResult.ANY_TYPE, null).numberValue, 999, "String literal should evaluate to itself");
is(document.evaluate('- - id("content")', document, null, XPathResult.ANY_TYPE, null).numberValue, 42, "DOM element should evaluate to itself coerced to a number");
</script>
</pre>
</body>
</html>