Handle dot in case expression - fixes #223

Author: GrahamTheCoder

ICSharpCode.CodeConverter/VB/MethodBodyVisitor.cs

@@ -474,7 +474,7 @@ string MakeGotoSwitchLabel(VisualBasicSyntaxNode expression)
             if (expression is ElseCaseClauseSyntax)
                 expressionText = "Default";
             else
-                expressionText = expression.ToString();
+                expressionText = expression.ToString().Replace('.', '_');
             return $"_Select{_switchCount}_Case{expressionText}";
         }
 

Tests/VB/StatementTests.cs

@@ -928,6 +928,36 @@ End Sub
 End Class");
         }
 
+        [Fact]
+        public void SelectCase_WithDotInCaseLabel()
+        {
+            TestConversionCSharpToVisualBasic(@"class TestClass
+{
+    void TestMethod(double number)
+    {
+        switch (number) {
+            case 3:
+                Console.Write(""section 3"");
+                goto case 5.5;
+            case 5.5:
+                Console.Write(""section 5"");
+                break;
+        }
+    }
+}", @"Friend Class TestClass
+    Private Sub TestMethod(ByVal number As Double)
+        Select Case number
+            Case 3
+                Console.Write(""section 3"")
+                GoTo _Select0_Case5_5
+            Case 5.5
+_Select0_Case5_5:
+                Console.Write(""section 5"")
+        End Select
+    End Sub
+End Class");
+        }
+
         [Fact]
         public void TryCatch()
         {