public void ResolveEntityWithoutDTD ()
{
document.RemoveAll ();
string xml = "<root>&ent;&ent2;</root>";
XmlTextReader xtr = new XmlTextReader (xml, XmlNodeType.Document, null);
xtr.Read ();
document.AppendChild (document.ReadNode (xtr));
xtr.Close ();
Assert.AreEqual (xml, document.OuterXml);
XmlNodeReader nr = new XmlNodeReader (document);
nr.Read (); // root
nr.Read (); // &ent;
Assert.AreEqual (XmlNodeType.EntityReference, nr.NodeType);
// ent does not exist in this dtd.
nr.ResolveEntity ();
}
public void ResolveEntity ()
{
string ent1 = "<!ENTITY ent 'entity string'>";
string ent2 = "<!ENTITY ent2 '<foo/><foo/>'>]>";
string dtd = "<!DOCTYPE root[<!ELEMENT root (#PCDATA|foo)*>" + ent1 + ent2;
string xml = dtd + "<root>&ent;&ent2;</root>";
document.LoadXml (xml);
Assert.AreEqual (xml, document.OuterXml);
XmlNodeReader nr = new XmlNodeReader (document);
nr.Read (); // DTD
nr.Read (); // root
nr.Read (); // &ent;
Assert.AreEqual (XmlNodeType.EntityReference, nr.NodeType);
Assert.AreEqual (1, nr.Depth, "depth#1");
nr.ResolveEntity ();
// It is still entity reference.
Assert.AreEqual (XmlNodeType.EntityReference, nr.NodeType);
nr.Read ();
Assert.AreEqual (XmlNodeType.Text, nr.NodeType);
Assert.AreEqual (2, nr.Depth, "depth#2");
Assert.AreEqual ("entity string", nr.Value);
nr.Read ();
Assert.AreEqual (XmlNodeType.EndEntity, nr.NodeType);
Assert.AreEqual (1, nr.Depth, "depth#3");
Assert.AreEqual ("", nr.Value);
nr.Read (); // &ent2;
Assert.AreEqual (XmlNodeType.EntityReference, nr.NodeType);
Assert.AreEqual (1, nr.Depth, "depth#4");
nr.ResolveEntity ();
Assert.AreEqual (xml, document.OuterXml);
// It is still entity reference.
Assert.AreEqual (XmlNodeType.EntityReference, nr.NodeType);
// It now became element node.
nr.Read ();
Assert.AreEqual (XmlNodeType.Element, nr.NodeType);
Assert.AreEqual (2, nr.Depth, "depth#5");
Assert.AreEqual (xml, document.OuterXml);
}
public void ResolveEntity2 ()
{
document.RemoveAll ();
string ent1 = "<!ENTITY ent 'entity string'>";
string ent2 = "<!ENTITY ent2 '<foo/><foo/>'>]>";
string dtd = "<!DOCTYPE root[<!ELEMENT root (#PCDATA|foo)*>" + ent1 + ent2;
string xml = dtd + "<root>&ent3;&ent2;</root>";
XmlTextReader xtr = new XmlTextReader (xml, XmlNodeType.Document, null);
xtr.Read ();
document.AppendChild (document.ReadNode (xtr));
document.AppendChild (document.ReadNode (xtr));
xtr.Close ();
Assert.AreEqual (xml, document.OuterXml);
XmlNodeReader nr = new XmlNodeReader (document);
nr.Read (); // DTD
nr.Read (); // root
nr.Read (); // &ent3;
Assert.AreEqual (XmlNodeType.EntityReference, nr.NodeType);
// ent3 does not exist in this dtd.
nr.ResolveEntity ();
Assert.AreEqual (XmlNodeType.EntityReference, nr.NodeType);
nr.Read ();
#if false
// Hmm... MS.NET returned as it is a Text node.
Assert.AreEqual (XmlNodeType.Text, nr.NodeType);
Assert.AreEqual (String.Empty, nr.Value);
nr.Read ();
// Really!?
Assert.AreEqual (XmlNodeType.EndEntity, nr.NodeType);
Assert.AreEqual (String.Empty, nr.Value);
#endif
}