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//
// System.Xml.XmlNodeReaderTests
//
// Authors:
// Atsushi Enomoto <ginga@kit.hi-ho.ne.jp>
// Martin Willemoes Hansen <mwh@sysrq.dk>
//
// (C) 2003 Atsushi Enomoto
// (C) 2003 Martin Willemoes Hansen
//
//
using System;
using System.IO;
using System.Text;
using System.Xml;
using NUnit.Framework;
namespace MonoTests.System.Xml
{
[TestFixture]
public class XmlNodeReaderTests : Assertion
{
[SetUp]
public void GetReady ()
{
document.LoadXml ("<root attr1='value1'><child /></root>");
}
XmlDocument document = new XmlDocument ();
[Test]
public void InvalidConstruction ()
{
XmlNodeReader nrdr;
try {
nrdr = new XmlNodeReader (null);
Fail ("null reference exception is preferable.");
} catch (NullReferenceException) {
}
nrdr = new XmlNodeReader (new XmlDocument ());
nrdr.Read ();
AssertEquals ("newDoc.ReadState", ReadState.Error, nrdr.ReadState);
AssertEquals ("newDoc.EOF", true, nrdr.EOF);
AssertEquals ("newDoc.NodeType", XmlNodeType.None, nrdr.NodeType);
nrdr = new XmlNodeReader (document.CreateDocumentFragment ());
nrdr.Read ();
AssertEquals ("Fragment.ReadState", ReadState.Error, nrdr.ReadState);
AssertEquals ("Fragment.EOF", true, nrdr.EOF);
AssertEquals ("Fragment.NodeType", XmlNodeType.None, nrdr.NodeType);
}
[Test]
public void ReadFromElement ()
{
XmlNodeReader nrdr = new XmlNodeReader (document.DocumentElement);
nrdr.Read ();
AssertEquals ("<root>.NodeType", XmlNodeType.Element, nrdr.NodeType);
AssertEquals ("<root>.Name", "root", nrdr.Name);
AssertEquals ("<root>.ReadState", ReadState.Interactive, nrdr.ReadState);
AssertEquals ("<root>.Depth", 0, nrdr.Depth);
}
[Test]
public void ReadInnerXmlWrongInit ()
{
document.LoadXml ("<root>test of <b>mixed</b> string.</root>");
XmlNodeReader nrdr = new XmlNodeReader (document);
nrdr.ReadInnerXml ();
AssertEquals ("initial.ReadState", ReadState.Initial, nrdr.ReadState);
AssertEquals ("initial.EOF", false, nrdr.EOF);
AssertEquals ("initial.NodeType", XmlNodeType.None, nrdr.NodeType);
}
[Test]
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);
AssertEquals (xml, document.OuterXml);
XmlNodeReader nr = new XmlNodeReader (document);
nr.Read (); // DTD
nr.Read (); // root
nr.Read (); // &ent;
AssertEquals (XmlNodeType.EntityReference, nr.NodeType);
AssertEquals ("depth#1", 1, nr.Depth);
nr.ResolveEntity ();
// It is still entity reference.
AssertEquals (XmlNodeType.EntityReference, nr.NodeType);
nr.Read ();
AssertEquals (XmlNodeType.Text, nr.NodeType);
AssertEquals ("depth#2", 2, nr.Depth);
AssertEquals ("entity string", nr.Value);
nr.Read ();
AssertEquals (XmlNodeType.EndEntity, nr.NodeType);
AssertEquals ("depth#3", 1, nr.Depth);
AssertEquals ("", nr.Value);
nr.Read (); // &ent2;
AssertEquals (XmlNodeType.EntityReference, nr.NodeType);
AssertEquals ("depth#4", 1, nr.Depth);
nr.ResolveEntity ();
AssertEquals (xml, document.OuterXml);
// It is still entity reference.
AssertEquals (XmlNodeType.EntityReference, nr.NodeType);
// It now became element node.
nr.Read ();
AssertEquals (XmlNodeType.Element, nr.NodeType);
AssertEquals ("depth#5", 2, nr.Depth);
AssertEquals (xml, document.OuterXml);
}
[Test]
#if NET_2_0
[Ignore (".NET 2.0 XmlNodeReader does not allow undeclared entities at all.")]
#endif
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 ();
AssertEquals (xml, document.OuterXml);
XmlNodeReader nr = new XmlNodeReader (document);
nr.Read (); // DTD
nr.Read (); // root
nr.Read (); // &ent3;
AssertEquals (XmlNodeType.EntityReference, nr.NodeType);
// ent3 does not exists in this dtd.
nr.ResolveEntity ();
AssertEquals (XmlNodeType.EntityReference, nr.NodeType);
nr.Read ();
#if false
// Hmm... MS.NET returned as it is a Text node.
AssertEquals (XmlNodeType.Text, nr.NodeType);
AssertEquals (String.Empty, nr.Value);
nr.Read ();
// Really!?
AssertEquals (XmlNodeType.EndEntity, nr.NodeType);
AssertEquals (String.Empty, nr.Value);
#endif
}
[Test]
#if NET_2_0
[Ignore (".NET 2.0 XmlNodeReader does not allow undeclared entities at all.")]
#endif
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 ();
AssertEquals (xml, document.OuterXml);
XmlNodeReader nr = new XmlNodeReader (document);
nr.Read (); // root
nr.Read (); // &ent;
AssertEquals (XmlNodeType.EntityReference, nr.NodeType);
// ent does not exists in this dtd.
nr.ResolveEntity ();
}
[Test] // bug #76260
public void FromEmptyNonDocumentElement ()
{
document.LoadXml ("<root><child/></root>");
XmlNodeReader nr = new XmlNodeReader (
document.DocumentElement.FirstChild);
nr.Read ();
AssertEquals ("#0", true, nr.IsEmptyElement);
Assert ("#1", !nr.Read ());
document.LoadXml ("<root><child></child></root>");
nr = new XmlNodeReader (
document.DocumentElement.FirstChild);
nr.Read ();
Assert ("#2", nr.Read ());
AssertEquals ("#2.2", false, nr.IsEmptyElement);
Assert ("#3", !nr.Read ());
}
}
}
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