[CodeIssues] MethodNeverReturnsIssue: handle 'throw' case

ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/MethodNeverReturnsIssue.cs

@@ -70,7 +70,8 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 					if (node.PreviousStatement == methodDeclaration.Body)
 						return;
 					// reach a return statement
-					if (node.NextStatement is ReturnStatement)
+					if (node.NextStatement is ReturnStatement ||
+						node.NextStatement is ThrowStatement)
 						return;
 
 					foreach (var edge in node.Outgoing) {

ICSharpCode.NRefactory.Tests/CSharp/CodeIssues/MethodNeverReturnsIssueTests.cs

@@ -36,7 +36,7 @@ namespace ICSharpCode.NRefactory.CSharp.CodeIssues
 		public void TestEnd ()
 		{
 			var input = @"
-partial class TestClass
+class TestClass
 {
 	void TestMethod () 
 	{
@@ -50,7 +50,7 @@ partial class TestClass
 		public void TestReturn ()
 		{
 			var input = @"
-partial class TestClass
+class TestClass
 {
 	void TestMethod ()
 	{
@@ -61,10 +61,24 @@ partial class TestClass
 		}
 
 		[Test]
-		public void Test ()
+		public void TestThrow ()
 		{
 			var input = @"
-partial class TestClass
+class TestClass
+{
+	void TestMethod ()
+	{
+		throw new System.NotImplementedException();	
+	}
+}";
+			Test<MethodNeverReturnsIssue> (input, 0);
+		}
+
+		[Test]
+		public void TesNeverReturns ()
+		{
+			var input = @"
+class TestClass
 {
 	void TestMethod ()
 	{