public void FunctionalTest()
{
XPathDocument doc = new XPathDocument(new StringReader(
"<customer xmlns='mvp-xml'><order id='1'/><order id='2'/><order id='5'/></customer>"));
XPathNavigator nav = doc.CreateNavigator();
XmlNamespaceManager mgr = new XmlNamespaceManager(nav.NameTable);
mgr.AddNamespace("mvp", "mvp-xml");
// On purpose, the query is wrong because it doesn't use the prefix.
XPathExpression expr = nav.Compile("//order[@id < 3]");
expr.SetContext(mgr);
XPathNodeIterator it = nav.Select(expr);
XPathIteratorReader reader = new XPathIteratorReader(it, "orders");
reader.MoveToContent();
string xml = reader.ReadOuterXml();
Assert.AreEqual("<orders></orders>", xml);
// With the right query now.
expr = nav.Compile("//mvp:order[@id < 3]");
expr.SetContext(mgr);
it = nav.Select(expr);
reader = new XPathIteratorReader(it, "orders");
reader.MoveToContent();
xml = reader.ReadOuterXml();
Assert.AreEqual("<orders><order id=\"1\" xmlns=\"mvp-xml\" /><order id=\"2\" xmlns=\"mvp-xml\" /></orders>", xml);
}
public void Test1()
{
XPathDocument doc = new XPathDocument(Globals.GetResource(Globals.PubsResource));
XPathNodeIterator it = doc.CreateNavigator().Select("//price[text() < 5]");
XPathIteratorReader reader = new XPathIteratorReader(it, "prices");
reader.MoveToContent();
string xml = reader.ReadOuterXml();
Assert.IsTrue(xml != String.Empty);
}
public void TestRss()
{
string theWord = "XML";
XPathDocument doc = new XPathDocument("../../../Common/XPathIteratorReaderTests/rss.xml");
XPathNodeIterator it = doc.CreateNavigator().Select(
"/rss/channel/item[contains(title,'" + theWord + "')]");
XPathIteratorReader reader = new XPathIteratorReader(it);
reader.MoveToContent();
string xml = reader.ReadOuterXml();
using (StreamWriter sw = new StreamWriter(@"subset.xml", false))
{
XmlTextWriter tw = new XmlTextWriter(sw);
tw.WriteNode(new XPathIteratorReader(it), false);
tw.Close();
}
Assert.IsTrue(xml != String.Empty);
}