Add unit tests for ClassInheritanceTree, including failing (ignored) test that shows the cause of SD2-1474.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/3.0@3600 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/ICSharpCode.SharpDevelop.Dom/Tests/ICSharpCode.SharpDevelop.Dom.Tests/ClassInheritanceTreeTests.cs

@@ -0,0 +1,121 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Christian Hornung" email="chhornung@googlemail.com"/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+
+using ICSharpCode.SharpDevelop.Tests;
+
+using NUnit.Framework;
+using NUnit.Framework.SyntaxHelpers;
+
+namespace ICSharpCode.SharpDevelop.Dom.Tests
+{
+	[TestFixture]
+	public sealed class ClassInheritanceTreeTests
+	{
+		#region Test helper methods
+		
+		readonly NRefactoryResolverTests helper = new NRefactoryResolverTests();
+		ICompilationUnit cu;
+		IClass objectClass, baseClass, derivedClass;
+		
+		void Prepare(string code, string baseClassName, string derivedClassName)
+		{
+			cu = helper.Parse("a.cs", code);
+			
+			objectClass = cu.ProjectContent.GetClass("System.Object", 0);
+			Assert.That(objectClass, Is.Not.Null, "Could not find class for System.Object in project content.");
+			
+			baseClass = cu.ProjectContent.GetClass(baseClassName, 0);
+			Assert.That(baseClass, Is.Not.Null, "Could not find class for '" + baseClassName + "' in project content.");
+			
+			derivedClass = cu.ProjectContent.GetClass(derivedClassName, 0);
+			Assert.That(derivedClass, Is.Not.Null, "Could not find class for '" + derivedClassName + "' in project content.");
+		}
+		
+		void CheckDerivedClassInheritanceTree()
+		{
+			Assert.That(derivedClass.ClassInheritanceTree, Is.EqualTo(
+				new [] {derivedClass, baseClass, objectClass}
+			));
+		}
+		
+		#endregion
+		
+		const string CodeSameNamespace = @"
+namespace A {
+	class Base {
+	}
+	class Derived : Base {
+	}
+}
+";
+		
+		[Test]
+		public void DerivedClassInheritanceTreeSameNamespace()
+		{
+			Prepare(CodeSameNamespace, "A.Base", "A.Derived");
+			CheckDerivedClassInheritanceTree();
+		}
+		
+		[Test]
+		public void DerivedClassInheritanceTreeAfterGetFullyQualifiedNameSameNamespace()
+		{
+			Prepare(CodeSameNamespace, "A.Base", "A.Derived");
+			Assert.That(baseClass.FullyQualifiedName, Is.EqualTo("A.Base"));
+			Assert.That(derivedClass.FullyQualifiedName, Is.EqualTo("A.Derived"));
+			CheckDerivedClassInheritanceTree();
+		}
+		
+		[Test]
+		public void DerivedClassInheritanceTreeAfterCheckBaseTypesSameNamespace()
+		{
+			Prepare(CodeSameNamespace, "A.Base", "A.Derived");
+			Assert.That(derivedClass.BaseTypes, Is.EquivalentTo(new [] {baseClass.DefaultReturnType}));
+			CheckDerivedClassInheritanceTree();
+		}
+		
+		
+		
+		const string CodeDifferentNamespaceUsing = @"
+namespace A {
+	class Base {
+	}
+}
+namespace B {
+	using A;
+	class Derived : Base {
+	}
+}
+";
+		
+		[Test]
+		public void DerivedClassInheritanceTreeDifferentNamespaceUsing()
+		{
+			Prepare(CodeDifferentNamespaceUsing, "A.Base", "B.Derived");
+			CheckDerivedClassInheritanceTree();
+		}
+		
+		[Test]
+		public void DerivedClassInheritanceTreeAfterGetFullyQualifiedNameDifferentNamespaceUsing()
+		{
+			Prepare(CodeDifferentNamespaceUsing, "A.Base", "B.Derived");
+			Assert.That(baseClass.FullyQualifiedName, Is.EqualTo("A.Base"));
+			Assert.That(derivedClass.FullyQualifiedName, Is.EqualTo("B.Derived"));
+			CheckDerivedClassInheritanceTree();
+		}
+		
+		[Test]
+		[Ignore("Bugfix needed (this is the cause for SD2-1474).")]
+		public void DerivedClassInheritanceTreeAfterCheckBaseTypesDifferentNamespaceUsing()
+		{
+			Prepare(CodeDifferentNamespaceUsing, "A.Base", "B.Derived");
+			Assert.That(derivedClass.BaseTypes, Is.EquivalentTo(new [] {baseClass.DefaultReturnType}));
+			CheckDerivedClassInheritanceTree();
+		}
+	}
+}

src/Main/ICSharpCode.SharpDevelop.Dom/Tests/ICSharpCode.SharpDevelop.Dom.Tests/ICSharpCode.SharpDevelop.Dom.Tests.csproj

@@ -44,6 +44,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="AssemblyInfo.cs" />
+    <Compile Include="ClassInheritanceTreeTests.cs" />
     <Compile Include="CodeSnippetConverterTests.cs" />
     <Compile Include="NRefactoryAstConverterTests.cs" />
     <Compile Include="NRefactoryRefactoringProviderTests.cs" />