Added test for testing generated names for pasted element copies and that the new names is registered in the correct namescope.

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Tests/Designer/EditOperationTests.cs

@@ -151,5 +151,58 @@ namespace ICSharpCode.WpfDesign.Tests.Designer
 			Assert.AreEqual(_name, grid.ContentProperty.CollectionElements[3].Name);
 			Assert.AreEqual(grid.ContentProperty.CollectionElements[3], selection.PrimarySelection);
 		}
+		
+		[Test]
+		public void PasteSameElementMultipleTimesCheckCopiesNames()
+		{
+			var grid = IntializePasteOperationsTest();
+			var xamlContext = grid.Context as XamlDesignContext;
+			Assert.IsNotNull(xamlContext);
+
+			var selection = grid.Services.Selection;
+			var innerGrid = grid.ContentProperty.CollectionElements[0];
+
+			selection.SetSelectedComponents(new[] {innerGrid});
+			xamlContext.XamlEditAction.Paste();
+			Assert.AreEqual(innerGrid.ContentProperty.CollectionElements[1], selection.PrimarySelection);
+			
+			selection.SetSelectedComponents(new[] {innerGrid});
+			xamlContext.XamlEditAction.Paste();
+			Assert.AreEqual(innerGrid.ContentProperty.CollectionElements[2], selection.PrimarySelection);
+			
+			selection.SetSelectedComponents(new[] {innerGrid});
+			xamlContext.XamlEditAction.Paste();
+			Assert.AreEqual(innerGrid.ContentProperty.CollectionElements[3], selection.PrimarySelection);
+			
+			selection.SetSelectedComponents(new[] {innerGrid});
+			xamlContext.XamlEditAction.Paste();
+			Assert.AreEqual(innerGrid.ContentProperty.CollectionElements[4], selection.PrimarySelection);
+			
+			Assert.IsNullOrEmpty(innerGrid.ContentProperty.CollectionElements[0].Name);
+			Assert.AreEqual(_name, innerGrid.ContentProperty.CollectionElements[1].Name);
+			Assert.AreEqual(_name + "_Copy", innerGrid.ContentProperty.CollectionElements[2].Name);
+			Assert.AreEqual(_name + "_Copy1", innerGrid.ContentProperty.CollectionElements[3].Name);
+			Assert.AreEqual(_name + "_Copy2", innerGrid.ContentProperty.CollectionElements[4].Name);
+			
+			xamlContext.XamlEditAction.Copy(new[] {innerGrid.ContentProperty.CollectionElements[3]});
+			var cutXaml = Clipboard.GetText(TextDataFormat.Xaml);
+			Assert.That(cutXaml, Is.StringContaining(":Name=\"" + _name + "_Copy1\""));
+			
+			selection.SetSelectedComponents(new[] {innerGrid});
+			xamlContext.XamlEditAction.Paste();
+			Assert.AreEqual(innerGrid.ContentProperty.CollectionElements[5], selection.PrimarySelection);
+			Assert.AreEqual(_name + "_Copy3", innerGrid.ContentProperty.CollectionElements[5].Name);
+			
+			var gridDepObj = grid.Component as DependencyObject;
+			Assert.IsNotNull(gridDepObj);
+			var nameScope = NameScope.GetNameScope(gridDepObj);
+			Assert.IsNotNull(nameScope);
+			Assert.IsNotNull(nameScope.FindName(_name));
+			Assert.IsNotNull(nameScope.FindName(_name + "_Copy"));
+			Assert.IsNotNull(nameScope.FindName(_name + "_Copy1"));
+			Assert.IsNotNull(nameScope.FindName(_name + "_Copy2"));
+			Assert.IsNotNull(nameScope.FindName(_name + "_Copy3"));
+			Assert.IsNull(nameScope.FindName(_name + "_Copy4"));
+		}
 	}
 }