SAML2\XML\mdui\KeywordsTest::testKeywordWithPlusSignThrowsException PHP Method

    public function testKeywordWithPlusSignThrowsException()
    {
        $keywords = new Keywords();
        $keywords->lang = "en";
        $keywords->Keywords = array("csharp", "pascal", "c++");
        $document = DOMDocumentFactory::fromString('<root />');
        $this->setExpectedException('Exception', 'Keywords may not contain a "+" character');
        $xml = $keywords->toXML($document->firstChild);
    }