public void ImageHexEncodeXSSTest()
{
// Arrange
DefaultHtmlSanitizer target = new DefaultHtmlSanitizer();
Dictionary<string, string[]> elementWhiteList = CreateElementWhiteList();
// Act
string htmlFragment = "<IMG SRC=javascript:alert('XSS')>";
string actual = target.GetSafeHtmlFragment(htmlFragment, elementWhiteList);
// Assert
string expected = "<img src=\"&#x6A&#x61&#x76&#x61&#x73&#x63&#x72&#x69&#x70&#x74&#x3A&#x61&#x6C&#x65&#x72&#x74&#x28&#x27&#x58&#x53&#x53&#x27&#x29\">";
StringAssert.AreEqualIgnoringCase(expected, actual);
}