- added test for GenericConstraints

- added test for bug in ForNextStatement output of C#
- fixed bug in ForNextStatement output of C#

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@6306 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Libraries/NRefactory/Project/Src/PrettyPrinter/CSharp/CSharpOutputVisitor.cs

@@ -1964,8 +1964,12 @@ namespace ICSharpCode.NRefactory.PrettyPrinter
 			if ((pe == null || !(pe.Value is int) || ((int)pe.Value) >= 0)
 			    && !(forNextStatement.Step is UnaryOperatorExpression))
 				outputFormatter.PrintToken(Tokens.LessEqual);
-			else
-				outputFormatter.PrintToken(Tokens.GreaterEqual);
+			else {
+				if (forNextStatement.Step is UnaryOperatorExpression && ((UnaryOperatorExpression)forNextStatement.Step).Op == UnaryOperatorType.Plus)
+					outputFormatter.PrintToken(Tokens.LessEqual);
+				else
+					outputFormatter.PrintToken(Tokens.GreaterEqual);
+			}
 			outputFormatter.Space();
 			TrackVisit(forNextStatement.End, data);
 			outputFormatter.PrintToken(Tokens.Semicolon);

src/Libraries/NRefactory/Test/Output/CSharp/VBNetToCSharpConverterTest.cs

@@ -351,6 +351,10 @@ namespace ICSharpCode.NRefactory.Tests.PrettyPrinter
 			              "Next",
 			              "for (long l = 10; l >= 0; l += -1) {\n" +
 			              "}");
+			TestStatement("For i As Integer = 0 To 10 Step +2\n" +
+			              "Next",
+			              "for (int i = 0; i <= 10; i += +2) {\n" +
+			              "}");
 		}
 		
 		[Test]

src/Libraries/NRefactory/Test/Output/VBNet/CSharpToVBNetConverterTest.cs

@@ -671,5 +671,32 @@ End Namespace
 End Function"
 			);
 		}
+		
+		[Test]
+		public void GenericConstraint()
+		{
+			TestProgram(
+				@"using System;
+using System.Collections;
+using System.Text;
+
+namespace Generics
+{
+	public class List<T> : CollectionBase where T : IDisposable
+	{
+	}
+}",
+				@"Imports System
+Imports System.Collections
+Imports System.Text
+
+Namespace Generics
+  Public Class List(Of T As IDisposable)
+    Inherits CollectionBase
+  End Class
+End Namespace
+"
+			);
+		}
 	}
 }