LayoutTests/fast/xpath/nan-to-boolean_t01.dart

/*
 * Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 * for details. All rights reserved. Use of this source code is governed by a
 * BSD-style license that can be found in the LICENSE file.
 */
/**
 * @assertion
 * @description Test for <a href="http://bugs.webkit.org/show_bug.cgi?id=12807">bug 12807</a>:
 * XPath incorrectly converts NaN to boolean.
 */
import "dart:html";
import "../../testharness.dart";
import "../../../Utils/expect.dart";

const String htmlEL = r'''
  <div></div>
  <div id="r_01"></div>
''';

void main() {
    document.body.appendHtml(htmlEL, treeSanitizer: new NullTreeSanitizer());
    XPathEvaluator evaluator=new XPathEvaluator();

    var result = evaluator.evaluate("//div[number(substring-after(@id,'r_')) or false()]", document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
    Expect.equals(1, result.snapshotLength);
}