Fixed failing unit test.

ICSharpCode.NRefactory.CSharp/Completion/CSharpCompletionEngine.cs

@@ -307,12 +307,12 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 				case "=":
 				case "==":
 					GetPreviousToken (ref tokenIndex, false);
-					
 					var expressionOrVariableDeclaration = GetExpressionAt (tokenIndex);
 					if (expressionOrVariableDeclaration == null)
 						return null;
 					
 					resolveResult = ResolveExpression (expressionOrVariableDeclaration.Item1, expressionOrVariableDeclaration.Item2, expressionOrVariableDeclaration.Item3);
+					
 					if (resolveResult == null)
 						return null;
 					if (resolveResult.Item1.Type.Kind == TypeKind.Enum) {
@@ -510,6 +510,27 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 					}
 				}
 				
+				if (n is IdentifierExpression) {
+					var bop = n.Parent as BinaryOperatorExpression;
+					Expression evaluationExpr = null;
+					
+					if (bop != null && bop.Right == n && (bop.Operator == BinaryOperatorType.Equality || bop.Operator == BinaryOperatorType.InEquality)) {
+						evaluationExpr = bop.Left;
+					}
+					// check for compare to enum case 
+					if (evaluationExpr != null) {
+						resolveResult = ResolveExpression (identifierStart.Item1, evaluationExpr, identifierStart.Item3);
+						if (resolveResult != null && resolveResult.Item1.Type.Kind == TypeKind.Enum) {
+							var wrapper = new CompletionDataWrapper (this);
+							AddContextCompletion (wrapper, resolveResult.Item2, evaluationExpr);
+							AddEnumMembers (wrapper, resolveResult.Item1.Type, resolveResult.Item2);
+							AutoCompleteEmptyMatch = false;
+							return wrapper.Result;
+						}
+					}
+				}
+				
+				
 				if (n is Identifier && n.Parent is ForeachStatement) {
 					if (controlSpace)
 						return DefaultControlSpaceItems ();

ICSharpCode.NRefactory.CSharp/Completion/CSharpParameterCompletionEngine.cs

@@ -195,11 +195,11 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 				invoke = GetTypeBeforeCursor ();
 				if (invoke == null)
 					return null;
-				var typeExpression = ResolveExpression (invoke.Item1, invoke.Item2, invoke.Item3);
+				var tExpr = ResolveExpression (invoke.Item1, invoke.Item2, invoke.Item3);
-				if (typeExpression == null || typeExpression.Item1 == null || typeExpression.Item1.IsError)
+				if (tExpr == null || tExpr.Item1 == null || tExpr.Item1.IsError)
 					return null;
 				
-				return factory.CreateTypeParameterDataProvider (CollectAllTypes (typeExpression.Item1.Type));
+				return factory.CreateTypeParameterDataProvider (CollectAllTypes (tExpr.Item1.Type));
 			case '[':
 				invoke = GetIndexerBeforeCursor ();
 				if (invoke == null)

ICSharpCode.NRefactory.CSharp/Refactoring/TypeSystemAstBuilder.cs

@@ -190,6 +190,17 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 			
 			MemberType result = new MemberType();
 			if (typeDef.DeclaringTypeDefinition != null) {
+				// check if the declaring type is a nested type in the nested type hierarchy
+				var declaringType = resolver.CurrentTypeDefinition;
+				while (declaringType != null) {
+					if (typeDef.DeclaringTypeDefinition.Equals (declaringType)) {
+						var innerType = new SimpleType(typeDef.Name);
+						AddTypeArguments(innerType, typeArguments, outerTypeParameterCount, typeDef.TypeParameterCount);
+						return innerType;
+					}
+					declaringType = declaringType.DeclaringTypeDefinition;
+				}
+				
 				// Handle nested types
 				result.Target = ConvertTypeHelper(typeDef.DeclaringTypeDefinition, typeArguments);
 			} else {

ICSharpCode.NRefactory.Tests/CSharp/CodeCompletion/CodeCompletionBugTests.cs

@@ -25,7 +25,6 @@
 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
-
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -41,7 +40,6 @@ using System.Diagnostics;
 using System.Text;
 using ICSharpCode.NRefactory.CSharp.TypeSystem;
 
-
 namespace ICSharpCode.NRefactory.CSharp.CodeCompletion
 {
 	[TestFixture()]
@@ -70,9 +68,11 @@ namespace ICSharpCode.NRefactory.CSharp.CodeCompletion
 			act (provider);
 		}
 		
-		class TestFactory : ICompletionDataFactory
+		class TestFactory
+		: ICompletionDataFactory
 		{
-			class CompletionData : ICompletionData
+			class CompletionData
+			: ICompletionData
 			{
 				#region ICompletionData implementation
 				public void AddOverload (ICompletionData data)
@@ -305,7 +305,8 @@ namespace ICSharpCode.NRefactory.CSharp.CodeCompletion
 			Assert.IsNotNull (provider.Find ("ReferenceEquals"), "Method 'System.Object.ReferenceEquals' not found.");
 		}
 		
-		class TestLocVisitor : ICSharpCode.NRefactory.CSharp.DepthFirstAstVisitor<object, object>
+		class TestLocVisitor
+		: ICSharpCode.NRefactory.CSharp.DepthFirstAstVisitor<object, object>
 		{
 			public List<Tuple<TextLocation, string>> output = new List<Tuple<TextLocation, string>> ();
 			
@@ -331,7 +332,7 @@ namespace ICSharpCode.NRefactory.CSharp.CodeCompletion
 			int exceptions = 0;
 			int i = 0;
 			foreach (var file in Directory.EnumerateFiles ("/Users/mike/work/mono/mcs/tests", "*.cs")) {
-				if  (i++>2)
+				if (i++ > 2)
 					break;
 				if (i <= 2)
 					continue;
@@ -352,7 +353,7 @@ namespace ICSharpCode.NRefactory.CSharp.CodeCompletion
 						}
 					}
 				} catch (Exception e) {
-					Console.WriteLine ("Exception in:" +file);
+					Console.WriteLine ("Exception in:" + file);
 					exceptions++;
 				}
 			}
@@ -362,7 +363,6 @@ namespace ICSharpCode.NRefactory.CSharp.CodeCompletion
 			if (missing > 0)
 				Assert.Fail ();
 		}
-		
 			
 		[Test()]
 		public void TestSimpleCodeCompletion ()
@@ -384,6 +384,7 @@ void TestMethod ()
 			Assert.IsNotNull (provider.Find ("TM2"));
 			Assert.IsNotNull (provider.Find ("TF1"));
 		}
+
 		[Test()]
 		public void TestSimpleInterfaceCodeCompletion ()
 		{
@@ -1680,7 +1681,6 @@ class A
 			});
 		}
 		
-		
 		[Test()]
 		public void TestBug2800B ()
 		{
@@ -1717,6 +1717,48 @@ class A
 			});
 		}
 		
+		/// <summary>
+		/// Bug 2798 - Unnecessary namespace qualification being prepended
+		/// </summary>
+		[Test()]
+		public void Test2798 ()
+		{
+			CombinedProviderTest (
+@"
+using System;
+
+namespace Foobar
+{
+    class MainClass
+    {
+        public enum Foo
+        {
+            Value1,
+            Value2
+        }
+
+        public class Test
+        {
+            Foo Foo {
+                get; set;
+            }
+
+            public static void Method (Foo foo)
+            {
+                $if (foo == F$
+            }
+        }
+    }
+}
+", provider => {
+				Assert.IsNull (provider.Find ("MainClass.Foo"), "'MainClass.Foo' found.");
+				Assert.IsNotNull (provider.Find ("Foo"), "'Foo' not found.");
+				Assert.IsNotNull (provider.Find ("Foo.Value1"), "'Foo.Value1' not found.");
+				Assert.IsNotNull (provider.Find ("Foo.Value2"), "'Foo.Value2' not found.");
+			});
+		}
+		
+		
 		/// <summary>
 		/// Bug 2799 - No completion offered when declaring fields in a class
 		/// </summary>
@@ -1747,8 +1789,6 @@ class A
 			});
 		}
 		
-		
-		
 		[Test()]
 		public void TestNewInConstructor ()
 		{
@@ -1920,7 +1960,7 @@ class Test
 ");
 			Assert.IsNotNull (provider, "provider not found.");
 			Assert.AreEqual (1, provider.OverloadCount, "There should be one overload");
-			Assert.AreEqual (1, provider.GetParameterCount(0), "Parameter 'test' should exist");
+			Assert.AreEqual (1, provider.GetParameterCount (0), "Parameter 'test' should exist");
 		}
 		
 		/// <summary>
@@ -2374,7 +2414,7 @@ class MyClass2
 		[Test()]
 		public void TestBug542976 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 class KeyValuePair<S, T>
 {
@@ -2424,7 +2464,7 @@ namespace TestMe
 		[Test()]
 		public void TestBug545189A ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 public class A<T>
 {
@@ -2453,7 +2493,7 @@ public class Foo
 		[Test()]
 		public void TestBug549864 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 delegate T MyFunc<S, T> (S t);
 
@@ -2482,7 +2522,7 @@ class TestClass
 		[Test()]
 		public void TestBug550185 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 public interface IMyinterface<T> {
 	T Foo ();
@@ -2516,7 +2556,7 @@ class TestClass
 		[Test()]
 		public void TestBug553101 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 namespace Some.Type 
 {
@@ -2545,7 +2585,7 @@ namespace Test
 		[Test()]
 		public void TestBug555523A ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 class A
 {
@@ -2592,7 +2632,7 @@ class MainClass
 		[Test()]
 		public void TestBug555523B ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 class A
 {
@@ -2640,7 +2680,7 @@ class MainClass
 		[Test()]
 		public void TestBug561964 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 interface A1 {
 	int A { get; }
@@ -2675,7 +2715,7 @@ class Foo : IFoo
 		[Test()]
 		public void TestBug568204 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 public class Style 
 {
@@ -2710,7 +2750,7 @@ public class Foo
 		[Test()]
 		public void TestBug577225 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 using Foo;
 	
@@ -2752,7 +2792,7 @@ namespace Other
 		[Test()]
 		public void TestBug582017 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 class Bar
 {
@@ -2779,7 +2819,7 @@ class Foo
 		[Test()]
 		public void TestBug586304 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 using System;
 using System.Collections.Generic;
@@ -2821,7 +2861,7 @@ public class Test
 		[Test()]
 		public void TestBug586304B ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 public delegate S Func<T, S> (T t);
 
@@ -2861,7 +2901,7 @@ class MyClass
 		[Test()]
 		public void TestBug587543 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 interface ITest
 {
@@ -2887,7 +2927,7 @@ class C
 		[Test()]
 		public void TestBug587549 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 public interface ITest
 {
@@ -2925,7 +2965,7 @@ public class PrinterImpl : Printer
 		[Test()]
 		public void TestBug588223 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 class Lazy<T> { public void Foo () {} }
 class Lazy<T, S> { public void Bar () {} }
@@ -2965,7 +3005,7 @@ class Test
 		[Test()]
 		public void TestBug592120 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 
 interface IBar
@@ -2995,7 +3035,7 @@ class Foo
 		[Test()]
 		public void TestBug576354 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 delegate T Func<S, T> (S s);
 
@@ -3038,7 +3078,7 @@ class MyTest
 		[Test()]
 		public void TestBug534680 ()
 		{
-				CompletionDataList provider = CreateCtrlSpaceProvider (
+			CompletionDataList provider = CreateCtrlSpaceProvider (
 @"
 class Foo
 {
@@ -3058,7 +3098,7 @@ class Foo
 		[Test()]
 		public void TestBug610006 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 class MainClass
 {
@@ -3083,7 +3123,7 @@ class MainClass
 		[Test()]
 		public void TestBug614045 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"
 namespace A
 {
@@ -3122,7 +3162,7 @@ namespace B
 		[Test()]
 		public void TestBug615992 ()
 		{
-				CompletionDataList provider = CreateProvider (
+			CompletionDataList provider = CreateProvider (
 @"public delegate void Act<T> (T t);
 
 public class Foo
@@ -3772,7 +3812,7 @@ public class Test
 ");
 			Assert.IsNotNull (provider, "provider not found.");
 			Assert.IsNotNull (provider.Find ("SomeMethod"), "method 'SomeMethod' not found.");
-	}
+		}
 		/// <summary>
 		/// Bug 678340 - Cannot infer types from Dictionary<K,V>.Values
 		/// </summary>
@@ -4096,7 +4136,7 @@ namespace ConsoleProject
 ", provider => {
 				Assert.IsNotNull (provider.Find ("ArgsNum"), "property 'ArgsNum' not found.");
 			});
-		}	
+		}
 		
 		[Test()]
 		public void TestParameterContext ()
@@ -4126,7 +4166,6 @@ public class TestMe
 			Assert.IsTrue (provider == null || provider.Count == 0, "provider should be empty.");
 		}
 		
-		
 		[Test()]
 		public void TestParameterContextNameProposal ()
 		{
@@ -4283,17 +4322,17 @@ class Test
 			var list = new List<CompletionCategory> ();
 			
 			for (int i = 0; i < provider.Count; i++) {
-				if (list.Contains (provider[i].CompletionCategory))
+				if (list.Contains (provider [i].CompletionCategory))
 					continue;
-				list.Add (provider[i].CompletionCategory);
+				list.Add (provider [i].CompletionCategory);
 			}	
 			Assert.AreEqual (4, list.Count);
 			
 			list.Sort ();
-			Assert.AreEqual ("CClass", list[0].DisplayText);
+			Assert.AreEqual ("CClass", list [0].DisplayText);
-			Assert.AreEqual ("BClass", list[1].DisplayText);
+			Assert.AreEqual ("BClass", list [1].DisplayText);
-			Assert.AreEqual ("AClass", list[2].DisplayText);
+			Assert.AreEqual ("AClass", list [2].DisplayText);
-			Assert.AreEqual ("System.Object", list[3].DisplayText);
+			Assert.AreEqual ("System.Object", list [3].DisplayText);
 		}
 		
 		[Test()]