public void AnchorTagDownlevelHiddenBlockXSSTest()
{
// Arrange
DefaultHtmlSanitizer target = new DefaultHtmlSanitizer();
Dictionary<string, string[]> elementWhiteList = CreateElementWhiteList();
// Act
string htmlFragment = "<A HREF=\"http://www.codeplex.com?url=<!--[if gte IE 4]><SCRIPT>alert('XSS');</SCRIPT><![endif]-->\">XSS</A>";
string actual = target.GetSafeHtmlFragment(htmlFragment, elementWhiteList);
// Assert
string expected = "<a href=\"http://www.codeplex.com?url=<!--[if gte IE 4]><>alert('XSS');</><![endif]-->\">XSS</a>";
StringAssert.AreEqualIgnoringCase(expected, actual);
}