//
// XmlTextReaderTests.cs
//
// Author:
//   Jason Diamond (jason@injektilo.org)
//
// (C) 2001, 2002 Jason Diamond  http://injektilo.org/
//

using System;
using System.IO;
using System.Xml;

using NUnit.Framework;

namespace MonoTests.System.Xml
{
	public class XmlTextReaderTests : TestCase
	{
		public XmlTextReaderTests () : base ("MonoTests.System.Xml.XmlTextReaderTests testsuite") { }
		public XmlTextReaderTests (string name) : base (name) { }

		private void AssertStartDocument (XmlReader xmlReader)
		{
			Assert (xmlReader.ReadState == ReadState.Initial);
			Assert (xmlReader.NodeType == XmlNodeType.None);
			Assert (xmlReader.Depth == 0);
			Assert (!xmlReader.EOF);
		}

		private void AssertNode (
			XmlReader xmlReader,
			XmlNodeType nodeType,
			int depth,
			bool isEmptyElement,
			string name,
			string prefix,
			string localName,
			string namespaceURI,
			string value,
			int attributeCount)
		{
			Assert (xmlReader.Read ());
			Assert (xmlReader.ReadState == ReadState.Interactive);
			Assert (!xmlReader.EOF);
		}

		private void AssertNodeValues (
			XmlReader xmlReader,
			XmlNodeType nodeType,
			int depth,
			bool isEmptyElement,
			string name,
			string prefix,
			string localName,
			string namespaceURI,
			string value,
			int attributeCount)
		{
			Assert (xmlReader.NodeType == nodeType);
			Assert (xmlReader.Depth == depth);
			Assert (xmlReader.IsEmptyElement == isEmptyElement);

			Assert (
				String.Format (
					"name was {0}, expected {1}",
					xmlReader.Name,
					name),
				xmlReader.Name == name);

			Assert (
				String.Format (
					"prefix was {0}, expected {1}",
					xmlReader.Prefix,
					prefix),
				xmlReader.Prefix == prefix);

			Assert (
				String.Format (
					"localName was {0}, expected {1}",
					xmlReader.LocalName,
					localName),
				xmlReader.LocalName == localName);

			Assert (
				String.Format (
					"namespaceURI was {0}, expected {1}",
					xmlReader.NamespaceURI,
					namespaceURI),
				xmlReader.NamespaceURI == namespaceURI);

			Assert (
				String.Format (
					"hasValue was {0}, expected {1}",
					xmlReader.HasValue,
					(value != String.Empty)),				
				xmlReader.HasValue == (value != String.Empty));

			Assert (
				String.Format (
					"value was {0}, expected {1}",
					xmlReader.Value,
					value),
				xmlReader.Value == value);

			Assert (
				String.Format (
					"hasAttributes was {0}, expected {1}",
					xmlReader.HasAttributes,
					(attributeCount > 0)),
				xmlReader.HasAttributes == (attributeCount > 0));

			Assert (
				String.Format (
					"attributeCount was {0}, expected {1}",
					xmlReader.AttributeCount,
					attributeCount),
				xmlReader.AttributeCount == attributeCount);
		}

		private void AssertAttribute (
			XmlReader xmlReader,
			string name,
			string prefix,
			string localName,
			string namespaceURI,
			string value)
		{
			Assert (
				String.Format (
					"value was {0}, expected {1}",
					xmlReader[name],
					value),
				xmlReader[name] == value);

			Assert (xmlReader.GetAttribute (name) == value);

			if (namespaceURI != String.Empty) {
				Assert (xmlReader[localName, namespaceURI] == value);
				Assert (xmlReader.GetAttribute (localName, namespaceURI) == value);
			}
		}

		private void AssertEndDocument (XmlReader xmlReader)
		{
			Assert ("could read", !xmlReader.Read ());
			AssertEquals ("NodeType is not XmlNodeType.None", XmlNodeType.None, xmlReader.NodeType);
			AssertEquals ("Depth is not 0", 0, xmlReader.Depth);
			AssertEquals ("ReadState is not ReadState.EndOfFile",  ReadState.EndOfFile, xmlReader.ReadState);
			Assert ("not EOF", xmlReader.EOF);

			xmlReader.Close ();
			AssertEquals ("ReadState is not ReadState.Cosed", ReadState.Closed, xmlReader.ReadState);
		}

		public void TestEmptyElement ()
		{
			string xml = "<foo/>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, // depth
				true, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertEndDocument (xmlReader);
		}

		public void TestEmptyElementWithBadName ()
		{
			string xml = "<1foo/>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			bool caughtXmlException = false;

			try {
				xmlReader.Read();
			} catch (XmlException) {
				caughtXmlException = true;
			}

			Assert(caughtXmlException);
		}

		public void TestEmptyElementWithWhitespace ()
		{
			string xml = "<foo />";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				true, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertEndDocument (xmlReader);
		}

		public void TestEmptyElementWithStartAndEndTag ()
		{
			string xml = "<foo></foo>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.EndElement, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertEndDocument (xmlReader);
		}

		public void TestEmptyElementWithStartAndEndTagWithWhitespace ()
		{
			string xml = "<foo ></foo >";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.EndElement, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertEndDocument (xmlReader);
		}

		public void TestNestedEmptyTag ()
		{
			string xml = "<foo><bar/></foo>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				1, //depth
				true, // isEmptyElement
				"bar", // name
				String.Empty, // prefix
				"bar", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.EndElement, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertEndDocument (xmlReader);
		}

		public void TestNestedText ()
		{
			string xml = "<foo>bar</foo>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Text, // nodeType
				1, //depth
				false, // isEmptyElement
				String.Empty, // name
				String.Empty, // prefix
				String.Empty, // localName
				String.Empty, // namespaceURI
				"bar", // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.EndElement, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertEndDocument (xmlReader);
		}

		public void TestEmptyElementWithAttribute ()
		{
			string xml = @"<foo bar=""baz""/>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				true, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				1 // attributeCount
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"bar", // name
				String.Empty, // prefix
				"bar", // localName
				String.Empty, // namespaceURI
				"baz" // value
			);

			AssertEndDocument (xmlReader);
		}

		public void TestStartAndEndTagWithAttribute ()
		{
			string xml = @"<foo bar='baz'></foo>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				1 // attributeCount
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"bar", // name
				String.Empty, // prefix
				"bar", // localName
				String.Empty, // namespaceURI
				"baz" // value
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.EndElement, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertEndDocument (xmlReader);
		}

		public void TestEmptyElementWithTwoAttributes ()
		{
			string xml = @"<foo bar=""baz"" quux='quuux'/>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				true, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				2 // attributeCount
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"bar", // name
				String.Empty, // prefix
				"bar", // localName
				String.Empty, // namespaceURI
				"baz" // value
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"quux", // name
				String.Empty, // prefix
				"quux", // localName
				String.Empty, // namespaceURI
				"quuux" // value
			);

			AssertEndDocument (xmlReader);
		}

		public void TestProcessingInstructionBeforeDocumentElement ()
		{
			string xml = "<?foo bar?><baz/>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.ProcessingInstruction, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				"bar", // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				true, // isEmptyElement
				"baz", // name
				String.Empty, // prefix
				"baz", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertEndDocument (xmlReader);
		}

		public void TestCommentBeforeDocumentElement ()
		{
			string xml = "<!--foo--><bar/>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Comment, // nodeType
				0, //depth
				false, // isEmptyElement
				String.Empty, // name
				String.Empty, // prefix
				String.Empty, // localName
				String.Empty, // namespaceURI
				"foo", // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				true, // isEmptyElement
				"bar", // name
				String.Empty, // prefix
				"bar", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertEndDocument (xmlReader);
		}

		public void TestPredefinedEntities ()
		{
			string xml = "<foo>&lt;&gt;&amp;&apos;&quot;</foo>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Text, // nodeType
				1, //depth
				false, // isEmptyElement
				String.Empty, // name
				String.Empty, // prefix
				String.Empty, // localName
				String.Empty, // namespaceURI
				"<>&'\"", // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.EndElement, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertEndDocument (xmlReader);
		}

		public void TestEntityReference ()
		{
			string xml = "<foo>&bar;</foo>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.EntityReference, // nodeType
				1, //depth
				false, // isEmptyElement
				"bar", // name
				String.Empty, // prefix
				"bar", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.EndElement, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertEndDocument (xmlReader);
		}

		public void TestEntityReferenceInsideText ()
		{
			string xml = "<foo>bar&baz;quux</foo>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Text, // nodeType
				1, //depth
				false, // isEmptyElement
				String.Empty, // name
				String.Empty, // prefix
				String.Empty, // localName
				String.Empty, // namespaceURI
				"bar", // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.EntityReference, // nodeType
				1, //depth
				false, // isEmptyElement
				"baz", // name
				String.Empty, // prefix
				"baz", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Text, // nodeType
				1, //depth
				false, // isEmptyElement
				String.Empty, // name
				String.Empty, // prefix
				String.Empty, // localName
				String.Empty, // namespaceURI
				"quux", // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.EndElement, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertEndDocument (xmlReader);
		}

		public void TestCharacterReferences ()
		{
			string xml = "<foo>&#70;&#x4F;&#x4f;</foo>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Text, // nodeType
				1, //depth
				false, // isEmptyElement
				String.Empty, // name
				String.Empty, // prefix
				String.Empty, // localName
				String.Empty, // namespaceURI
				"FOO", // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.EndElement, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertEndDocument (xmlReader);
		}

		public void TestEntityReferenceInAttribute ()
		{
			string xml = "<foo bar='&baz;'/>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				true, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				1 // attributeCount
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"bar", // name
				String.Empty, // prefix
				"bar", // localName
				String.Empty, // namespaceURI
				"&baz;" // value
			);

			AssertEndDocument (xmlReader);
		}

		public void TestPredefinedEntitiesInAttribute ()
		{
			string xml = "<foo bar='&lt;&gt;&amp;&apos;&quot;'/>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				true, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				1 // attributeCount
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"bar", // name
				String.Empty, // prefix
				"bar", // localName
				String.Empty, // namespaceURI
				"<>&'\"" // value
			);

			AssertEndDocument (xmlReader);
		}

		public void TestCharacterReferencesInAttribute ()
		{
			string xml = "<foo bar='&#70;&#x4F;&#x4f;'/>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				true, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				1 // attributeCount
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"bar", // name
				String.Empty, // prefix
				"bar", // localName
				String.Empty, // namespaceURI
				"FOO" // value
			);

			AssertEndDocument (xmlReader);
		}

		public void TestCDATA ()
		{
			string xml = "<foo><![CDATA[<>&]]></foo>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.CDATA, // nodeType
				1, //depth
				false, // isEmptyElement
				String.Empty, // name
				String.Empty, // prefix
				String.Empty, // localName
				String.Empty, // namespaceURI
				"<>&", // value
				0 // attributeCount
			);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.EndElement, // nodeType
				0, //depth
				false, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertEndDocument (xmlReader);
		}

		public void TestEmptyElementInNamespace ()
		{
			string xml = @"<foo:bar xmlns:foo='http://foo/' />";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, // depth
				true, // isEmptyElement
				"foo:bar", // name
				"foo", // prefix
				"bar", // localName
				"http://foo/", // namespaceURI
				String.Empty, // value
				1 // attributeCount
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"xmlns:foo", // name
				"xmlns", // prefix
				"foo", // localName
				"http://www.w3.org/2000/xmlns/", // namespaceURI
				"http://foo/" // value
			);

			AssertEquals ("http://foo/", xmlReader.LookupNamespace ("foo"));

			AssertEndDocument (xmlReader);
		}

		public void TestEmptyElementInDefaultNamespace ()
		{
			string xml = @"<foo xmlns='http://foo/' />";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, // depth
				true, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				"http://foo/", // namespaceURI
				String.Empty, // value
				1 // attributeCount
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"xmlns", // name
				String.Empty, // prefix
				"xmlns", // localName
				"http://www.w3.org/2000/xmlns/", // namespaceURI
				"http://foo/" // value
			);

			AssertEquals ("http://foo/", xmlReader.LookupNamespace (String.Empty));

			AssertEndDocument (xmlReader);
		}

		public void TestChildElementInNamespace ()
		{
			string xml = @"<foo:bar xmlns:foo='http://foo/'><baz:quux xmlns:baz='http://baz/' /></foo:bar>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, // depth
				false, // isEmptyElement
				"foo:bar", // name
				"foo", // prefix
				"bar", // localName
				"http://foo/", // namespaceURI
				String.Empty, // value
				1 // attributeCount
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"xmlns:foo", // name
				"xmlns", // prefix
				"foo", // localName
				"http://www.w3.org/2000/xmlns/", // namespaceURI
				"http://foo/" // value
			);

			AssertEquals ("http://foo/", xmlReader.LookupNamespace ("foo"));

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				1, // depth
				true, // isEmptyElement
				"baz:quux", // name
				"baz", // prefix
				"quux", // localName
				"http://baz/", // namespaceURI
				String.Empty, // value
				1 // attributeCount
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"xmlns:baz", // name
				"xmlns", // prefix
				"baz", // localName
				"http://www.w3.org/2000/xmlns/", // namespaceURI
				"http://baz/" // value
			);

			AssertEquals ("http://foo/", xmlReader.LookupNamespace ("foo"));
			AssertEquals ("http://baz/", xmlReader.LookupNamespace ("baz"));

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.EndElement, // nodeType
				0, // depth
				false, // isEmptyElement
				"foo:bar", // name
				"foo", // prefix
				"bar", // localName
				"http://foo/", // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertEquals ("http://foo/", xmlReader.LookupNamespace ("foo"));
			AssertNull (xmlReader.LookupNamespace ("baz"));

			AssertEndDocument (xmlReader);
		}

		public void TestChildElementInDefaultNamespace ()
		{
			string xml = @"<foo:bar xmlns:foo='http://foo/'><baz xmlns='http://baz/' /></foo:bar>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, // depth
				false, // isEmptyElement
				"foo:bar", // name
				"foo", // prefix
				"bar", // localName
				"http://foo/", // namespaceURI
				String.Empty, // value
				1 // attributeCount
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"xmlns:foo", // name
				"xmlns", // prefix
				"foo", // localName
				"http://www.w3.org/2000/xmlns/", // namespaceURI
				"http://foo/" // value
			);

			AssertEquals ("http://foo/", xmlReader.LookupNamespace ("foo"));

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				1, // depth
				true, // isEmptyElement
				"baz", // name
				String.Empty, // prefix
				"baz", // localName
				"http://baz/", // namespaceURI
				String.Empty, // value
				1 // attributeCount
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"xmlns", // name
				String.Empty, // prefix
				"xmlns", // localName
				"http://www.w3.org/2000/xmlns/", // namespaceURI
				"http://baz/" // value
			);

			AssertEquals ("http://foo/", xmlReader.LookupNamespace ("foo"));
			AssertEquals ("http://baz/", xmlReader.LookupNamespace (String.Empty));

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.EndElement, // nodeType
				0, // depth
				false, // isEmptyElement
				"foo:bar", // name
				"foo", // prefix
				"bar", // localName
				"http://foo/", // namespaceURI
				String.Empty, // value
				0 // attributeCount
			);

			AssertEquals ("http://foo/", xmlReader.LookupNamespace ("foo"));

			AssertEndDocument (xmlReader);
		}

		public void TestAttributeInNamespace ()
		{
			string xml = @"<foo bar:baz='quux' xmlns:bar='http://bar/' />";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, // depth
				true, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				2 // attributeCount
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"bar:baz", // name
				"bar", // prefix
				"baz", // localName
				"http://bar/", // namespaceURI
				"quux" // value
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"xmlns:bar", // name
				"xmlns", // prefix
				"bar", // localName
				"http://www.w3.org/2000/xmlns/", // namespaceURI
				"http://bar/" // value
			);

			AssertEquals ("http://bar/", xmlReader.LookupNamespace ("bar"));

			AssertEndDocument (xmlReader);
		}

// The following is #if'ed out because it's specific to the Mono
// implementation and won't compile when testing Microsoft's code.
// Feel free to turn it on if you want to test Mono's name tables.

#if false

		public void TestIsFirstNameChar ()
		{
			for (int ch = 0; ch <= 0xFFFF; ++ch) {
				Assert (
					XmlChar.IsFirstNameChar (ch) ==
						IsFirstNameChar (ch));
			}
		}

		public void TestIsNameChar ()
		{
			for (int ch = 0; ch <= 0xFFFF; ++ch) {
				Assert (
					XmlChar.IsNameChar (ch) ==
						IsNameChar (ch));
			}
		}

		private static bool IsFirstNameChar (int ch)
		{
			return
				IsLetter (ch) ||
				(ch == '_') ||
				(ch == ':');
		}

		private static bool IsNameChar (int ch)
		{
			return
				IsLetter (ch) ||
				IsDigit (ch) ||
				(ch == '.') ||
				(ch == '-') ||
				(ch == '_') ||
				(ch == ':') ||
				IsCombiningChar (ch) ||
				IsExtender (ch);
		}

		private static bool IsLetter (int ch)
		{
			return
				IsBaseChar (ch) ||
				IsIdeographic (ch);
		}

		private static bool IsBaseChar (int ch)
		{
			return
				(ch >= 0x0041 && ch <= 0x005A) ||
				(ch >= 0x0061 && ch <= 0x007A) ||
				(ch >= 0x00C0 && ch <= 0x00D6) ||
				(ch >= 0x00D8 && ch <= 0x00F6) ||
				(ch >= 0x00F8 && ch <= 0x00FF) ||
				(ch >= 0x0100 && ch <= 0x0131) ||
				(ch >= 0x0134 && ch <= 0x013E) ||
				(ch >= 0x0141 && ch <= 0x0148) ||
				(ch >= 0x014A && ch <= 0x017E) ||
				(ch >= 0x0180 && ch <= 0x01C3) ||
				(ch >= 0x01CD && ch <= 0x01F0) ||
				(ch >= 0x01F4 && ch <= 0x01F5) ||
				(ch >= 0x01FA && ch <= 0x0217) ||
				(ch >= 0x0250 && ch <= 0x02A8) ||
				(ch >= 0x02BB && ch <= 0x02C1) ||
				(ch == 0x0386) ||
				(ch >= 0x0388 && ch <= 0x038A) ||
				(ch == 0x038C) ||
				(ch >= 0x038E && ch <= 0x03A1) ||
				(ch >= 0x03A3 && ch <= 0x03CE) ||
				(ch >= 0x03D0 && ch <= 0x03D6) ||
				(ch == 0x03DA) ||
				(ch == 0x03DC) ||
				(ch == 0x03DE) ||
				(ch == 0x03E0) ||
				(ch >= 0x03E2 && ch <= 0x03F3) ||
				(ch >= 0x0401 && ch <= 0x040C) ||
				(ch >= 0x040E && ch <= 0x044F) ||
				(ch >= 0x0451 && ch <= 0x045C) ||
				(ch >= 0x045E && ch <= 0x0481) ||
				(ch >= 0x0490 && ch <= 0x04C4) ||
				(ch >= 0x04C7 && ch <= 0x04C8) ||
				(ch >= 0x04CB && ch <= 0x04CC) ||
				(ch >= 0x04D0 && ch <= 0x04EB) ||
				(ch >= 0x04EE && ch <= 0x04F5) ||
				(ch >= 0x04F8 && ch <= 0x04F9) ||
				(ch >= 0x0531 && ch <= 0x0556) ||
				(ch == 0x0559) ||
				(ch >= 0x0561 && ch <= 0x0586) ||
				(ch >= 0x05D0 && ch <= 0x05EA) ||
				(ch >= 0x05F0 && ch <= 0x05F2) ||
				(ch >= 0x0621 && ch <= 0x063A) ||
				(ch >= 0x0641 && ch <= 0x064A) ||
				(ch >= 0x0671 && ch <= 0x06B7) ||
				(ch >= 0x06BA && ch <= 0x06BE) ||
				(ch >= 0x06C0 && ch <= 0x06CE) ||
				(ch >= 0x06D0 && ch <= 0x06D3) ||
				(ch == 0x06D5) ||
				(ch >= 0x06E5 && ch <= 0x06E6) ||
				(ch >= 0x0905 && ch <= 0x0939) ||
				(ch == 0x093D) ||
				(ch >= 0x0958 && ch <= 0x0961) ||
				(ch >= 0x0985 && ch <= 0x098C) ||
				(ch >= 0x098F && ch <= 0x0990) ||
				(ch >= 0x0993 && ch <= 0x09A8) ||
				(ch >= 0x09AA && ch <= 0x09B0) ||
				(ch == 0x09B2) ||
				(ch >= 0x09B6 && ch <= 0x09B9) ||
				(ch >= 0x09DC && ch <= 0x09DD) ||
				(ch >= 0x09DF && ch <= 0x09E1) ||
				(ch >= 0x09F0 && ch <= 0x09F1) ||
				(ch >= 0x0A05 && ch <= 0x0A0A) ||
				(ch >= 0x0A0F && ch <= 0x0A10) ||
				(ch >= 0x0A13 && ch <= 0x0A28) ||
				(ch >= 0x0A2A && ch <= 0x0A30) ||
				(ch >= 0x0A32 && ch <= 0x0A33) ||
				(ch >= 0x0A35 && ch <= 0x0A36) ||
				(ch >= 0x0A38 && ch <= 0x0A39) ||
				(ch >= 0x0A59 && ch <= 0x0A5C) ||
				(ch == 0x0A5E) ||
				(ch >= 0x0A72 && ch <= 0x0A74) ||
				(ch >= 0x0A85 && ch <= 0x0A8B) ||
				(ch == 0x0A8D) ||
				(ch >= 0x0A8F && ch <= 0x0A91) ||
				(ch >= 0x0A93 && ch <= 0x0AA8) ||
				(ch >= 0x0AAA && ch <= 0x0AB0) ||
				(ch >= 0x0AB2 && ch <= 0x0AB3) ||
				(ch >= 0x0AB5 && ch <= 0x0AB9) ||
				(ch == 0x0ABD) ||
				(ch == 0x0AE0) ||
				(ch >= 0x0B05 && ch <= 0x0B0C) ||
				(ch >= 0x0B0F && ch <= 0x0B10) ||
				(ch >= 0x0B13 && ch <= 0x0B28) ||
				(ch >= 0x0B2A && ch <= 0x0B30) ||
				(ch >= 0x0B32 && ch <= 0x0B33) ||
				(ch >= 0x0B36 && ch <= 0x0B39) ||
				(ch == 0x0B3D) ||
				(ch >= 0x0B5C && ch <= 0x0B5D) ||
				(ch >= 0x0B5F && ch <= 0x0B61) ||
				(ch >= 0x0B85 && ch <= 0x0B8A) ||
				(ch >= 0x0B8E && ch <= 0x0B90) ||
				(ch >= 0x0B92 && ch <= 0x0B95) ||
				(ch >= 0x0B99 && ch <= 0x0B9A) ||
				(ch == 0x0B9C) ||
				(ch >= 0x0B9E && ch <= 0x0B9F) ||
				(ch >= 0x0BA3 && ch <= 0x0BA4) ||
				(ch >= 0x0BA8 && ch <= 0x0BAA) ||
				(ch >= 0x0BAE && ch <= 0x0BB5) ||
				(ch >= 0x0BB7 && ch <= 0x0BB9) ||
				(ch >= 0x0C05 && ch <= 0x0C0C) ||
				(ch >= 0x0C0E && ch <= 0x0C10) ||
				(ch >= 0x0C12 && ch <= 0x0C28) ||
				(ch >= 0x0C2A && ch <= 0x0C33) ||
				(ch >= 0x0C35 && ch <= 0x0C39) ||
				(ch >= 0x0C60 && ch <= 0x0C61) ||
				(ch >= 0x0C85 && ch <= 0x0C8C) ||
				(ch >= 0x0C8E && ch <= 0x0C90) ||
				(ch >= 0x0C92 && ch <= 0x0CA8) ||
				(ch >= 0x0CAA && ch <= 0x0CB3) ||
				(ch >= 0x0CB5 && ch <= 0x0CB9) ||
				(ch == 0x0CDE) ||
				(ch >= 0x0CE0 && ch <= 0x0CE1) ||
				(ch >= 0x0D05 && ch <= 0x0D0C) ||
				(ch >= 0x0D0E && ch <= 0x0D10) ||
				(ch >= 0x0D12 && ch <= 0x0D28) ||
				(ch >= 0x0D2A && ch <= 0x0D39) ||
				(ch >= 0x0D60 && ch <= 0x0D61) ||
				(ch >= 0x0E01 && ch <= 0x0E2E) ||
				(ch == 0x0E30) ||
				(ch >= 0x0E32 && ch <= 0x0E33) ||
				(ch >= 0x0E40 && ch <= 0x0E45) ||
				(ch >= 0x0E81 && ch <= 0x0E82) ||
				(ch == 0x0E84) ||
				(ch >= 0x0E87 && ch <= 0x0E88) ||
				(ch == 0x0E8A) ||
				(ch == 0x0E8D) ||
				(ch >= 0x0E94 && ch <= 0x0E97) ||
				(ch >= 0x0E99 && ch <= 0x0E9F) ||
				(ch >= 0x0EA1 && ch <= 0x0EA3) ||
				(ch == 0x0EA5) ||
				(ch == 0x0EA7) ||
				(ch >= 0x0EAA && ch <= 0x0EAB) ||
				(ch >= 0x0EAD && ch <= 0x0EAE) ||
				(ch == 0x0EB0) ||
				(ch >= 0x0EB2 && ch <= 0x0EB3) ||
				(ch == 0x0EBD) ||
				(ch >= 0x0EC0 && ch <= 0x0EC4) ||
				(ch >= 0x0F40 && ch <= 0x0F47) ||
				(ch >= 0x0F49 && ch <= 0x0F69) ||
				(ch >= 0x10A0 && ch <= 0x10C5) ||
				(ch >= 0x10D0 && ch <= 0x10F6) ||
				(ch == 0x1100) ||
				(ch >= 0x1102 && ch <= 0x1103) ||
				(ch >= 0x1105 && ch <= 0x1107) ||
				(ch == 0x1109) ||
				(ch >= 0x110B && ch <= 0x110C) ||
				(ch >= 0x110E && ch <= 0x1112) ||
				(ch == 0x113C) ||
				(ch == 0x113E) ||
				(ch == 0x1140) ||
				(ch == 0x114C) ||
				(ch == 0x114E) ||
				(ch == 0x1150) ||
				(ch >= 0x1154 && ch <= 0x1155) ||
				(ch == 0x1159) ||
				(ch >= 0x115F && ch <= 0x1161) ||
				(ch == 0x1163) ||
				(ch == 0x1165) ||
				(ch == 0x1167) ||
				(ch == 0x1169) ||
				(ch >= 0x116D && ch <= 0x116E) ||
				(ch >= 0x1172 && ch <= 0x1173) ||
				(ch == 0x1175) ||
				(ch == 0x119E) ||
				(ch == 0x11A8) ||
				(ch == 0x11AB) ||
				(ch >= 0x11AE && ch <= 0x11AF) ||
				(ch >= 0x11B7 && ch <= 0x11B8) ||
				(ch == 0x11BA) ||
				(ch >= 0x11BC && ch <= 0x11C2) ||
				(ch == 0x11EB) ||
				(ch == 0x11F0) ||
				(ch == 0x11F9) ||
				(ch >= 0x1E00 && ch <= 0x1E9B) ||
				(ch >= 0x1EA0 && ch <= 0x1EF9) ||
				(ch >= 0x1F00 && ch <= 0x1F15) ||
				(ch >= 0x1F18 && ch <= 0x1F1D) ||
				(ch >= 0x1F20 && ch <= 0x1F45) ||
				(ch >= 0x1F48 && ch <= 0x1F4D) ||
				(ch >= 0x1F50 && ch <= 0x1F57) ||
				(ch == 0x1F59) ||
				(ch == 0x1F5B) ||
				(ch == 0x1F5D) ||
				(ch >= 0x1F5F && ch <= 0x1F7D) ||
				(ch >= 0x1F80 && ch <= 0x1FB4) ||
				(ch >= 0x1FB6 && ch <= 0x1FBC) ||
				(ch == 0x1FBE) ||
				(ch >= 0x1FC2 && ch <= 0x1FC4) ||
				(ch >= 0x1FC6 && ch <= 0x1FCC) ||
				(ch >= 0x1FD0 && ch <= 0x1FD3) ||
				(ch >= 0x1FD6 && ch <= 0x1FDB) ||
				(ch >= 0x1FE0 && ch <= 0x1FEC) ||
				(ch >= 0x1FF2 && ch <= 0x1FF4) ||
				(ch >= 0x1FF6 && ch <= 0x1FFC) ||
				(ch == 0x2126) ||
				(ch >= 0x212A && ch <= 0x212B) ||
				(ch == 0x212E) ||
				(ch >= 0x2180 && ch <= 0x2182) ||
				(ch >= 0x3041 && ch <= 0x3094) ||
				(ch >= 0x30A1 && ch <= 0x30FA) ||
				(ch >= 0x3105 && ch <= 0x312C) ||
				(ch >= 0xAC00 && ch <= 0xD7A3);
		}

		private static bool IsIdeographic (int ch)
		{
			return
				(ch >= 0x4E00 && ch <= 0x9FA5) ||
				(ch == 0x3007) ||
				(ch >= 0x3021 && ch <= 0x3029);
		}

		private static bool IsDigit (int ch)
		{
			return
				(ch >= 0x0030 && ch <= 0x0039) ||
				(ch >= 0x0660 && ch <= 0x0669) ||
				(ch >= 0x06F0 && ch <= 0x06F9) ||
				(ch >= 0x0966 && ch <= 0x096F) ||
				(ch >= 0x09E6 && ch <= 0x09EF) ||
				(ch >= 0x0A66 && ch <= 0x0A6F) ||
				(ch >= 0x0AE6 && ch <= 0x0AEF) ||
				(ch >= 0x0B66 && ch <= 0x0B6F) ||
				(ch >= 0x0BE7 && ch <= 0x0BEF) ||
				(ch >= 0x0C66 && ch <= 0x0C6F) ||
				(ch >= 0x0CE6 && ch <= 0x0CEF) ||
				(ch >= 0x0D66 && ch <= 0x0D6F) ||
				(ch >= 0x0E50 && ch <= 0x0E59) ||
				(ch >= 0x0ED0 && ch <= 0x0ED9) ||
				(ch >= 0x0F20 && ch <= 0x0F29);
		}

		private static bool IsCombiningChar (int ch)
		{
			return
				(ch >= 0x0300 && ch <= 0x0345) ||
				(ch >= 0x0360 && ch <= 0x0361) ||
				(ch >= 0x0483 && ch <= 0x0486) ||
				(ch >= 0x0591 && ch <= 0x05A1) ||
				(ch >= 0x05A3 && ch <= 0x05B9) ||
				(ch >= 0x05BB && ch <= 0x05BD) ||
				(ch == 0x05BF) ||
				(ch >= 0x05C1 && ch <= 0x05C2) ||
				(ch == 0x05C4) ||
				(ch >= 0x064B && ch <= 0x0652) ||
				(ch == 0x0670) ||
				(ch >= 0x06D6 && ch <= 0x06DC) ||
				(ch >= 0x06DD && ch <= 0x06DF) ||
				(ch >= 0x06E0 && ch <= 0x06E4) ||
				(ch >= 0x06E7 && ch <= 0x06E8) ||
				(ch >= 0x06EA && ch <= 0x06ED) ||
				(ch >= 0x0901 && ch <= 0x0903) ||
				(ch == 0x093C) ||
				(ch >= 0x093E && ch <= 0x094C) ||
				(ch == 0x094D) ||
				(ch >= 0x0951 && ch <= 0x0954) ||
				(ch >= 0x0962 && ch <= 0x0963) ||
				(ch >= 0x0981 && ch <= 0x0983) ||
				(ch == 0x09BC) ||
				(ch == 0x09BE) ||
				(ch == 0x09BF) ||
				(ch >= 0x09C0 && ch <= 0x09C4) ||
				(ch >= 0x09C7 && ch <= 0x09C8) ||
				(ch >= 0x09CB && ch <= 0x09CD) ||
				(ch == 0x09D7) ||
				(ch >= 0x09E2 && ch <= 0x09E3) ||
				(ch == 0x0A02) ||
				(ch == 0x0A3C) ||
				(ch == 0x0A3E) ||
				(ch == 0x0A3F) ||
				(ch >= 0x0A40 && ch <= 0x0A42) ||
				(ch >= 0x0A47 && ch <= 0x0A48) ||
				(ch >= 0x0A4B && ch <= 0x0A4D) ||
				(ch >= 0x0A70 && ch <= 0x0A71) ||
				(ch >= 0x0A81 && ch <= 0x0A83) ||
				(ch == 0x0ABC) ||
				(ch >= 0x0ABE && ch <= 0x0AC5) ||
				(ch >= 0x0AC7 && ch <= 0x0AC9) ||
				(ch >= 0x0ACB && ch <= 0x0ACD) ||
				(ch >= 0x0B01 && ch <= 0x0B03) ||
				(ch == 0x0B3C) ||
				(ch >= 0x0B3E && ch <= 0x0B43) ||
				(ch >= 0x0B47 && ch <= 0x0B48) ||
				(ch >= 0x0B4B && ch <= 0x0B4D) ||
				(ch >= 0x0B56 && ch <= 0x0B57) ||
				(ch >= 0x0B82 && ch <= 0x0B83) ||
				(ch >= 0x0BBE && ch <= 0x0BC2) ||
				(ch >= 0x0BC6 && ch <= 0x0BC8) ||
				(ch >= 0x0BCA && ch <= 0x0BCD) ||
				(ch == 0x0BD7) ||
				(ch >= 0x0C01 && ch <= 0x0C03) ||
				(ch >= 0x0C3E && ch <= 0x0C44) ||
				(ch >= 0x0C46 && ch <= 0x0C48) ||
				(ch >= 0x0C4A && ch <= 0x0C4D) ||
				(ch >= 0x0C55 && ch <= 0x0C56) ||
				(ch >= 0x0C82 && ch <= 0x0C83) ||
				(ch >= 0x0CBE && ch <= 0x0CC4) ||
				(ch >= 0x0CC6 && ch <= 0x0CC8) ||
				(ch >= 0x0CCA && ch <= 0x0CCD) ||
				(ch >= 0x0CD5 && ch <= 0x0CD6) ||
				(ch >= 0x0D02 && ch <= 0x0D03) ||
				(ch >= 0x0D3E && ch <= 0x0D43) ||
				(ch >= 0x0D46 && ch <= 0x0D48) ||
				(ch >= 0x0D4A && ch <= 0x0D4D) ||
				(ch == 0x0D57) ||
				(ch == 0x0E31) ||
				(ch >= 0x0E34 && ch <= 0x0E3A) ||
				(ch >= 0x0E47 && ch <= 0x0E4E) ||
				(ch == 0x0EB1) ||
				(ch >= 0x0EB4 && ch <= 0x0EB9) ||
				(ch >= 0x0EBB && ch <= 0x0EBC) ||
				(ch >= 0x0EC8 && ch <= 0x0ECD) ||
				(ch >= 0x0F18 && ch <= 0x0F19) ||
				(ch == 0x0F35) ||
				(ch == 0x0F37) ||
				(ch == 0x0F39) ||
				(ch == 0x0F3E) ||
				(ch == 0x0F3F) ||
				(ch >= 0x0F71 && ch <= 0x0F84) ||
				(ch >= 0x0F86 && ch <= 0x0F8B) ||
				(ch >= 0x0F90 && ch <= 0x0F95) ||
				(ch == 0x0F97) ||
				(ch >= 0x0F99 && ch <= 0x0FAD) ||
				(ch >= 0x0FB1 && ch <= 0x0FB7) ||
				(ch == 0x0FB9) ||
				(ch >= 0x20D0 && ch <= 0x20DC) ||
				(ch == 0x20E1) ||
				(ch >= 0x302A && ch <= 0x302F) ||
				(ch == 0x3099) ||
				(ch == 0x309A);
		}

		private static bool IsExtender (int ch)
		{
			return
				(ch == 0x00B7) ||
				(ch == 0x02D0) ||
				(ch == 0x02D1) ||
				(ch == 0x0387) ||
				(ch == 0x0640) ||
				(ch == 0x0E46) ||
				(ch == 0x0EC6) ||
				(ch == 0x3005) ||
				(ch >= 0x3031 && ch <= 0x3035) ||
				(ch >= 0x309D && ch <= 0x309E) ||
				(ch >= 0x30FC && ch <= 0x30FE);
		}

#endif

		public void TestIsName ()
		{
			Assert (XmlReader.IsName ("foo"));
			Assert (!XmlReader.IsName ("1foo"));
			Assert (!XmlReader.IsName (" foo"));
		}

		public void TestIsNameToken ()
		{
			Assert (XmlReader.IsNameToken ("foo"));
			Assert (XmlReader.IsNameToken ("1foo"));
			Assert (!XmlReader.IsNameToken (" foo"));
		}

		public void TestMoveToElementFromAttribute ()
		{
			string xml = @"<foo bar=""baz"" />";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			Assert (xmlReader.Read ());
			AssertEquals (XmlNodeType.Element, xmlReader.NodeType);
			Assert (xmlReader.MoveToFirstAttribute ());
			AssertEquals (XmlNodeType.Attribute, xmlReader.NodeType);
			Assert (xmlReader.MoveToElement ());
			AssertEquals (XmlNodeType.Element, xmlReader.NodeType);
		}

		public void TestMoveToElementFromElement ()
		{
			string xml = @"<foo bar=""baz"" />";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			Assert (xmlReader.Read ());
			AssertEquals (XmlNodeType.Element, xmlReader.NodeType);
			Assert (!xmlReader.MoveToElement ());
			AssertEquals (XmlNodeType.Element, xmlReader.NodeType);
		}

		public void TestMoveToFirstAttributeWithNoAttributes ()
		{
			string xml = @"<foo />";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			Assert (xmlReader.Read ());
			AssertEquals (XmlNodeType.Element, xmlReader.NodeType);
			Assert (!xmlReader.MoveToFirstAttribute ());
			AssertEquals (XmlNodeType.Element, xmlReader.NodeType);
		}

		public void TestMoveToNextAttributeWithNoAttributes ()
		{
			string xml = @"<foo />";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			Assert (xmlReader.Read ());
			AssertEquals (XmlNodeType.Element, xmlReader.NodeType);
			Assert (!xmlReader.MoveToNextAttribute ());
			AssertEquals (XmlNodeType.Element, xmlReader.NodeType);
		}

		public void TestMoveToNextAttribute()
		{
			string xml = @"<foo bar=""baz"" quux='quuux'/>";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			AssertStartDocument (xmlReader);

			AssertNode (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				true, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				2 // attributeCount
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"bar", // name
				String.Empty, // prefix
				"bar", // localName
				String.Empty, // namespaceURI
				"baz" // value
			);

			AssertAttribute (
				xmlReader, // xmlReader
				"quux", // name
				String.Empty, // prefix
				"quux", // localName
				String.Empty, // namespaceURI
				"quuux" // value
			);

			Assert (xmlReader.MoveToNextAttribute ());
			Assert ("bar" == xmlReader.Name || "quux" == xmlReader.Name);
			Assert ("baz" == xmlReader.Value || "quuux" == xmlReader.Value);

			Assert (xmlReader.MoveToNextAttribute ());
			Assert ("bar" == xmlReader.Name || "quux" == xmlReader.Name);
			Assert ("baz" == xmlReader.Value || "quuux" == xmlReader.Value);

			Assert (!xmlReader.MoveToNextAttribute ());

            Assert (xmlReader.MoveToElement ());

			AssertNodeValues (
				xmlReader, // xmlReader
				XmlNodeType.Element, // nodeType
				0, //depth
				true, // isEmptyElement
				"foo", // name
				String.Empty, // prefix
				"foo", // localName
				String.Empty, // namespaceURI
				String.Empty, // value
				2 // attributeCount
			);

			AssertEndDocument (xmlReader);
		}

		public void TestAttributeOrder ()
		{
			string xml = @"<foo _1='1' _2='2' _3='3' />";
			XmlReader xmlReader =
				new XmlTextReader (new StringReader (xml));

			Assert (xmlReader.Read ());
			AssertEquals (XmlNodeType.Element, xmlReader.NodeType);

			Assert (xmlReader.MoveToFirstAttribute ());
			AssertEquals ("_1", xmlReader.Name);
			Assert (xmlReader.MoveToNextAttribute ());
			AssertEquals ("_2", xmlReader.Name);
			Assert (xmlReader.MoveToNextAttribute ());
			AssertEquals ("_3", xmlReader.Name);

			Assert (!xmlReader.MoveToNextAttribute ());
		}
	}
}