public void MatchRoot()
        {
            XmlDocument xsltDoc = new XmlDocument();
            xsltDoc.LoadXml( @"
                <xsl:stylesheet version='1.0'
                    xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>
                <xsl:output method='xml' omit-xml-declaration='no' encoding='UTF-8'/>

                <xsl:template match='/'><root>Matched</root></xsl:template>

                </xsl:stylesheet>
            " );
            XslTransform xslt = new XslTransform();
            xslt.Load( xsltDoc );

            StringBuilder builder = new StringBuilder();
            XmlWriter writer = new XmlTextWriter( new StringWriter( builder ) );

            CollectionOfSimple c = new CollectionOfSimple( true );
            ObjectXPathContext context = new ObjectXPathContext();
            context.DetectLoops = true;
            XPathNavigator nav = context.CreateNavigator( c );

            xslt.Transform( nav, null, writer, null );
            writer.Close();

            Assert.AreEqual( "<root>Matched</root>", builder.ToString() );
        }
        public void IdentityTransform()
        {
            XmlDocument xsltDoc = new XmlDocument();
            xsltDoc.LoadXml( @"
                <xsl:stylesheet version='1.0'
                    xmlns:xsl='http://www.w3.org/1999/XSL/Transform'>
                <xsl:output method='xml' omit-xml-declaration='no' encoding='UTF-8'/>

                <xsl:template match='@*|node()'>
                    <xsl:copy>
                        <xsl:apply-templates select='@*|node()'/>
                    </xsl:copy>
                </xsl:template>

                </xsl:stylesheet>
            " );
            XslTransform xslt = new XslTransform();
            xslt.Load( xsltDoc );
            StringBuilder builder = new StringBuilder();
            XmlWriter writer = new XmlTextWriter( new StringWriter( builder ));

            CollectionOfSimple c = new CollectionOfSimple( true );
            ObjectXPathContext context = new ObjectXPathContext();
            context.NamespaceManager.AddNamespace( "sdf", "http://www.byte-force.com/schemas/SDF" );
            XPathNavigator nav = context.CreateNavigator( c );

            XmlDocument original = new XmlDocument();
            original.Load( nav.ReadSubtree() );
            nav.MoveToRoot();
            Console.WriteLine( original.InnerXml );
            string originalXml = original.InnerXml;

            xslt.Transform( nav, null, writer, null );
            writer.Close();

            Console.Write( builder.ToString() );

            Assert.AreEqual( originalXml, builder.ToString() );
        }