Fixed completion bug.

ICSharpCode.NRefactory.CSharp/Completion/CSharpCompletionEngine.cs

@@ -622,7 +622,6 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 					if (currentType != null && currentType.Kind == TypeKind.Enum) {
 						return HandleEnumContext();
 					}
-				
 					var contextList = new CompletionDataWrapper(this);
 					var identifierStart = GetExpressionAtCursor();
 					if (identifierStart != null) {
@@ -1441,8 +1440,9 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 				return null;
 			}
 			switch (word) {
-				case "using":
 				case "namespace":
+					return null;
+				case "using":
 					if (currentType != null) {
 						return null;
 					}
@@ -2626,6 +2626,7 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 				location,
 				n => n is IdentifierExpression || n is MemberReferenceExpression
 			);
+
 			if (expr == null) {
 				expr = baseUnit.GetNodeAt<AstType>(location.Line, location.Column - 1);
 			}
@@ -2736,6 +2737,7 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 					expr = baseUnit.GetNodeAt<AstType>(location.Line, location.Column);
 				} 
 			}
+
 			if (expr == null) {
 				return null;
 			}

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

@@ -37,7 +37,28 @@ namespace ICSharpCode.NRefactory.CSharp.CodeCompletion
 			var provider = CodeCompletionBugTests.CreateProvider (@"$namespace n$");
 			Assert.IsTrue (provider == null || provider.Count == 0, "provider should be empty.");
 		}
-		
+		[Test()]
+		public void TestNamespaceNameCase2 ()
+		{
+			var provider = CodeCompletionBugTests.CreateProvider (@"$namespace $");
+			Assert.IsTrue (provider == null || provider.Count == 0, "provider should be empty.");
+		}
+
+		[Ignore("Parser bug.")]
+		[Test()]
+		public void TestNamespaceNameCase3 ()
+		{
+			var provider = CodeCompletionBugTests.CreateProvider (@"$namespace Foo.b$");
+			Assert.IsTrue (provider == null || provider.Count == 0, "provider should be empty.");
+		}
+
+		[Test()]
+		public void TestNamespaceNameCase4 ()
+		{
+			var provider = CodeCompletionBugTests.CreateProvider (@"$namespace Foo.$");
+			Assert.IsTrue (provider == null || provider.Count == 0, "provider should be empty.");
+		}
+
 		[Test()]
 		public void TestClassName ()
 		{