System.Xml.XmlValidatingReader.MoveToNextAttribute C# (CSharp) Méthode

        public override bool MoveToNextAttribute() {
            return impl.MoveToNextAttribute();
        }

		// it used to be regarded as MS bug but it was not really.
		public void TestPreserveEntityNotOnDotNet ()
		{
			string intSubset = "<!ELEMENT root EMPTY><!ATTLIST root foo CDATA 'foo-def' bar CDATA 'bar-def'><!ENTITY ent 'entity string'>";
			string dtd = "<!DOCTYPE root [" + intSubset + "]>";
			string xml = dtd + "<root foo='&ent;' bar='internal &ent; value' />";
			dvr = PrepareXmlReader (xml);
			dvr.EntityHandling = EntityHandling.ExpandCharEntities;
			dvr.Read ();	// DTD
			dvr.Read ();
			Assert.AreEqual (XmlNodeType.Element, dvr.NodeType);
			Assert.AreEqual ("root", dvr.Name);
			Assert.IsTrue (dvr.MoveToFirstAttribute ());
			Assert.AreEqual ("foo", dvr.Name);
			Assert.AreEqual ("entity string", dvr.Value);
			//  ReadAttributeValue()
			Assert.IsTrue (dvr.ReadAttributeValue ());
			Assert.AreEqual (XmlNodeType.EntityReference, dvr.NodeType);
			Assert.AreEqual ("ent", dvr.Name);
			Assert.AreEqual (String.Empty, dvr.Value);
			Assert.IsTrue (!dvr.ReadAttributeValue ());

			// bar
			Assert.IsTrue (dvr.MoveToNextAttribute ());
			Assert.AreEqual ("bar", dvr.Name);
			Assert.AreEqual ("internal entity string value", dvr.Value);
			//  ReadAttributeValue()
			Assert.IsTrue (dvr.ReadAttributeValue ());
			Assert.AreEqual (XmlNodeType.Text, dvr.NodeType);
			Assert.AreEqual (String.Empty, dvr.Name);
			Assert.AreEqual ("internal ", dvr.Value);
			Assert.IsTrue (dvr.ReadAttributeValue ());
			Assert.AreEqual (XmlNodeType.EntityReference, dvr.NodeType);
			Assert.AreEqual ("ent", dvr.Name);
			Assert.AreEqual (String.Empty, dvr.Value);
			Assert.IsTrue (dvr.ReadAttributeValue ());
			Assert.AreEqual (XmlNodeType.Text, dvr.NodeType);
			Assert.AreEqual (String.Empty, dvr.Name);
			Assert.AreEqual (" value", dvr.Value);

			// ValidationType = None

			dvr = PrepareXmlReader (xml);
			dvr.EntityHandling = EntityHandling.ExpandCharEntities;
			dvr.ValidationType = ValidationType.None;
			dvr.Read ();	// DTD
			dvr.Read ();
			Assert.AreEqual (XmlNodeType.Element, dvr.NodeType);
			Assert.AreEqual ("root", dvr.Name);

			// foo
			Assert.IsTrue (dvr.MoveToFirstAttribute ());
			Assert.AreEqual ("foo", dvr.Name);
			Assert.AreEqual ("entity string", dvr.Value);
			//  ReadAttributeValue()
			Assert.IsTrue (dvr.ReadAttributeValue ());
			Assert.AreEqual (XmlNodeType.EntityReference, dvr.NodeType);
			Assert.AreEqual ("ent", dvr.Name);
			Assert.AreEqual (String.Empty, dvr.Value);
			Assert.IsTrue (!dvr.ReadAttributeValue ());

			// bar
			Assert.IsTrue (dvr.MoveToNextAttribute ());
			Assert.AreEqual ("bar", dvr.Name);
			Assert.AreEqual ("internal entity string value", dvr.Value);
			//  ReadAttributeValue()
			Assert.IsTrue (dvr.ReadAttributeValue ());
			Assert.AreEqual (XmlNodeType.Text, dvr.NodeType);
			Assert.AreEqual (String.Empty, dvr.Name);
			Assert.AreEqual ("internal ", dvr.Value);
			Assert.IsTrue (dvr.ReadAttributeValue ());
			Assert.AreEqual (XmlNodeType.EntityReference, dvr.NodeType);
			Assert.AreEqual ("ent", dvr.Name);
			Assert.AreEqual (String.Empty, dvr.Value);
			Assert.IsTrue (dvr.ReadAttributeValue ());
			Assert.AreEqual (XmlNodeType.Text, dvr.NodeType);
			Assert.AreEqual (String.Empty, dvr.Name);
			Assert.AreEqual (" value", dvr.Value);
		}