Ensure single blocks within switch cases are compared to each other

Author: sharwell

StyleCop.Analyzers/StyleCop.Analyzers.Test/ReadabilityRules/SA1137UnitTests.cs

@@ -1480,14 +1480,14 @@ void MethodName()
 
       case 4:
 case 5:
-       {
+        {
         label4:
           while (true)
             {
             }
 
           break;
-       }
+        }
 default:
 label5a:
  label5b:
@@ -1538,7 +1538,7 @@ void MethodName()
             }
 
           break;
-       }
+        }
         default:
       label5a:
       label5b:
@@ -1559,6 +1559,7 @@ void MethodName()
                 this.CSharpDiagnostic().WithLocation(32, 1),
                 this.CSharpDiagnostic().WithLocation(34, 1),
                 this.CSharpDiagnostic().WithLocation(35, 1),
+                this.CSharpDiagnostic().WithLocation(36, 1),
                 this.CSharpDiagnostic().WithLocation(44, 1),
                 this.CSharpDiagnostic().WithLocation(45, 1),
                 this.CSharpDiagnostic().WithLocation(46, 1),

StyleCop.Analyzers/StyleCop.Analyzers/ReadabilityRules/SA1137ElementsShouldHaveTheSameIndentation.cs

@@ -217,11 +217,13 @@ private static void HandleSwitchStatement(SyntaxNodeAnalysisContext context)
             var labels = ImmutableList.CreateBuilder<SwitchLabelSyntax>();
             var statements = ImmutableList.CreateBuilder<StatementSyntax>();
             var labeledStatements = ImmutableList.CreateBuilder<StatementSyntax>();
+            var blockStatements = ImmutableList.CreateBuilder<StatementSyntax>();
             foreach (SwitchSectionSyntax switchSection in switchStatement.Sections)
             {
                 labels.AddRange(switchSection.Labels);
                 if (switchSection.Statements.Count == 1 && switchSection.Statements[0].IsKind(SyntaxKind.Block))
                 {
+                    blockStatements.Add(switchSection.Statements[0]);
                     continue;
                 }
 
@@ -241,6 +243,7 @@ private static void HandleSwitchStatement(SyntaxNodeAnalysisContext context)
             CheckElements(context, labels.ToImmutable());
             CheckElements(context, statements.ToImmutable());
             CheckElements(context, labeledStatements.ToImmutable());
+            CheckElements(context, blockStatements.ToImmutable());
         }
 
         private static void HandleInitializerExpression(SyntaxNodeAnalysisContext context)