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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
{
[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);
Assert.Fail ("null reference exception is preferable.");
} catch (NullReferenceException) {
}
nrdr = new XmlNodeReader (new XmlDocument ());
nrdr.Read ();
Assert.AreEqual (ReadState.Error, nrdr.ReadState, "newDoc.ReadState");
Assert.AreEqual (true, nrdr.EOF, "newDoc.EOF");
Assert.AreEqual (XmlNodeType.None, nrdr.NodeType, "newDoc.NodeType");
nrdr = new XmlNodeReader (document.CreateDocumentFragment ());
nrdr.Read ();
Assert.AreEqual (ReadState.Error, nrdr.ReadState, "Fragment.ReadState");
Assert.AreEqual (true, nrdr.EOF, "Fragment.EOF");
Assert.AreEqual (XmlNodeType.None, nrdr.NodeType, "Fragment.NodeType");
}
[Test]
public void ReadFromElement ()
{
XmlNodeReader nrdr = new XmlNodeReader (document.DocumentElement);
nrdr.Read ();
Assert.AreEqual (XmlNodeType.Element, nrdr.NodeType, "<root>.NodeType");
Assert.AreEqual ("root", nrdr.Name, "<root>.Name");
Assert.AreEqual (ReadState.Interactive, nrdr.ReadState, "<root>.ReadState");
Assert.AreEqual (0, nrdr.Depth, "<root>.Depth");
}
[Test]
public void ReadInnerXmlWrongInit ()
{
document.LoadXml ("<root>test of <b>mixed</b> string.</root>");
XmlNodeReader nrdr = new XmlNodeReader (document);
nrdr.ReadInnerXml ();
Assert.AreEqual (ReadState.Initial, nrdr.ReadState, "initial.ReadState");
Assert.AreEqual (false, nrdr.EOF, "initial.EOF");
Assert.AreEqual (XmlNodeType.None, nrdr.NodeType, "initial.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);
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);
}
[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 ();
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 exists 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
}
[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 ();
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 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 ();
Assert.AreEqual (true, nr.IsEmptyElement, "#0");
Assert.IsTrue (!nr.Read (), "#1");
document.LoadXml ("<root><child></child></root>");
nr = new XmlNodeReader (
document.DocumentElement.FirstChild);
nr.Read ();
Assert.IsTrue (nr.Read (), "#2");
Assert.AreEqual (false, nr.IsEmptyElement, "#2.2");
Assert.IsTrue (!nr.Read (), "#3");
}
[Test] // bug #550379
public void MoveToNextAttributeFromValue ()
{
document.LoadXml ("<ul test='xxx'></ul>");
XmlNodeReader nr = new XmlNodeReader (document);
nr.Read ();
nr.Read ();
Assert.IsTrue (nr.MoveToFirstAttribute (), "#1");
Assert.IsTrue (nr.ReadAttributeValue (), "#2");
Assert.IsFalse (nr.MoveToNextAttribute (), "#3");
}
}
}
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