Small fix of refactoring RR0194

Author: josefpihrt

src/Refactorings/CSharp/Refactorings/SplitLocalDeclarationAndAssignmentRefactoring.cs

@@ -16,27 +16,24 @@ public static async Task ComputeRefactoringAsync(
         RefactoringContext context,
         LocalDeclarationStatementSyntax localDeclaration)
     {
+        if (!context.Span.IsEmpty)
+            return;
+
         StatementListInfo statementsInfo = SyntaxInfo.StatementListInfo(localDeclaration);
 
         if (!statementsInfo.Success)
             return;
 
         SingleLocalDeclarationStatementInfo localInfo = SyntaxInfo.SingleLocalDeclarationStatementInfo(localDeclaration);
 
-        if (!localInfo.Success)
-            return;
-
-        if (!context.Span.IsEmpty
-            && context.Span.Start == localInfo.EqualsToken.SpanStart)
-        {
-            return;
-        }
-
         ExpressionSyntax value = localInfo.Value;
 
         if (value is null)
             return;
 
+        if (context.Span.Start != localInfo.EqualsToken.SpanStart)
+            return;
+
         SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);
 
         TypeSyntax type = localInfo.Type;

src/Tests/Refactorings.Tests/RR0194SplitLocalDeclarationAndAssignmentTests.cs

@@ -18,7 +18,7 @@ class C
 {
     void M()
     {
-        string s [||]= new string(' ', 1);
+        var s [||]= new string(' ', 1);
     }
 }
 ", @"