[Mono-bugs] [Bug 77685][Min] New - XmlSchemaAnnotation.Markup returns null when the xs:documentation schema element is an empty element

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Changed by matt.ward.bugs at googlemail.com.

http://bugzilla.ximian.com/show_bug.cgi?id=77685

--- shadow/77685	2006-03-01 14:09:12.000000000 -0500
+++ shadow/77685.tmp.12294	2006-03-01 14:09:12.000000000 -0500
@@ -0,0 +1,123 @@
+Bug#: 77685
+Product: Mono: Class Libraries
+Version: 1.1
+OS: All
+OS Details: 
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Minor
+Component: Sys.XML
+AssignedTo: atsushi at ximian.com                            
+ReportedBy: matt.ward.bugs at googlemail.com               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: XmlSchemaAnnotation.Markup returns null when the xs:documentation schema element is an empty element
+
+Description of Problem:
+
+The XmlSchemaAnnotation.Markup property returns null when the
+xs:documentation schema element is an empty element.  The Microsoft .NET
+frameworks 1.1 and 2.0 return an empty XmlNode array not null.
+
+An example schema:
+
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
+    elementFormDefault="qualified"
+    targetNamespace="http://go-mono.com/tests">
+    <xs:element name="choice">
+        <xs:annotation>
+        <xs:documentation 
+            source="http://go-mono.com/tests/docs/#element-choice"/>
+        </xs:annotation>
+    </xs:element>
+</xs:schema>
+
+
+
+Steps to reproduce the problem:
+
+
+using NUnit.Framework;
+using System;
+using System.Collections;
+using System.IO;
+using System.Xml;
+using System.Xml.Schema;
+
+namespace XmlSchemaTests
+{
+	/// <summary>
+	/// Tests that the XmlSchemaAnnotation.Markup is not null when a schema has
+	/// annotation, but the documentation element is an empty element.  
+	/// Under .NET 1.1 and .NET 2.0 this test passes, but under Mono 1.1 the
+markup 
+	/// is null.
+	/// </summary>
+	[TestFixture]
+	public class SchemaAnnotationTestFixture
+	{
+		const string namespaceUri = "http://go-mono.com/tests";
+		XmlNode[] markupNodes;
+		
+		[SetUp]
+		public void Init()
+		{
+			StringReader sr = new StringReader(GetSchemaXml());
+			XmlTextReader tr = new XmlTextReader(sr);
+
+			XmlSchema schema = XmlSchema.Read(tr, new
+ValidationEventHandler(SchemaValidation));
+			schema.Compile(new ValidationEventHandler(SchemaValidation));
+			tr.Close();
+			
+			XmlQualifiedName name = new XmlQualifiedName("choice", namespaceUri);
+			XmlSchemaElement element = FindElement(schema, name);
+			XmlSchemaAnnotation annotation = element.Annotation;
+			XmlSchemaDocumentation doc = annotation.Items[0] as XmlSchemaDocumentation;
+			markupNodes = doc.Markup;
+		}
+		
+		[Test]
+		public void MarkupIsNotNull()
+		{
+			Assert.IsNotNull(markupNodes);
+		}
+		
+		/// <summary>
+		/// Finds an element in the XmlSchema.Elements.Values that matches the
+specified
+		/// name.
+		/// </summary>
+		static XmlSchemaElement FindElement(XmlSchema schema, XmlQualifiedName name)
+		{
+			foreach (XmlSchemaElement element in schema.Elements.Values) {
+				if (name == element.QualifiedName) {
+					return element;
+				}
+			}
+			return null;
+		}	
+		
+		string GetSchemaXml()
+		{
+			return "<xs:schema xmlns:xs=\"http://www.w3.org/2001/XMLSchema\"
+elementFormDefault=\"qualified\"
+targetNamespace=\"http://go-mono.com/tests\">\r\n" +
+					"\t<xs:element name=\"choice\">\r\n" +
+					"\t\t<xs:annotation>\r\n" +
+					"\t\t\t<xs:documentation
+source=\"http://go-mono.com/tests/docs/#element-choice\"/>\r\n" +
+					"\t\t</xs:annotation>\r\n" +
+					"\t</xs:element>\r\n" +
+					"</xs:schema>";
+		}
+		
+		void SchemaValidation(object source, ValidationEventArgs e)
+		{
+			// Do nothing.
+		}
+	}
+}