Ignore DotDot operator in UseConsistentWhitespace rule

Author: Kapil Borle

Rules/UseConsistentWhitespace.cs

@@ -298,19 +298,24 @@ private bool IsPreviousTokenApartByWhitespace(LinkedListNode<Token> tokenNode)
                 (tokenNode.Value.Extent.StartColumnNumber - tokenNode.Previous.Value.Extent.EndColumnNumber);
         }
 
-        private IEnumerable<DiagnosticRecord> FindOperatorViolations(TokenOperations tokenOperations)
+        private bool IsPreviousTokenOnSameLineAndApartByWhitespace(LinkedListNode<Token> tokenNode)
         {
-            Func<LinkedListNode<Token>, bool> predicate = tokenNode =>
-            {
-                return tokenNode.Previous != null
-                    && IsPreviousTokenOnSameLine(tokenNode)
-                    && IsPreviousTokenApartByWhitespace(tokenNode);
-            };
+            return IsPreviousTokenOnSameLine(tokenNode) && IsPreviousTokenApartByWhitespace(tokenNode);
+        }
 
+        private IEnumerable<DiagnosticRecord> FindOperatorViolations(TokenOperations tokenOperations)
+        {
             foreach (var tokenNode in tokenOperations.GetTokenNodes(IsOperator))
             {
-                var hasWhitespaceBefore = predicate(tokenNode);
-                var hasWhitespaceAfter = predicate(tokenNode.Next);
+                if (tokenNode.Previous == null
+                    || tokenNode.Next == null
+                    || tokenNode.Value.Kind == TokenKind.DotDot)
+                {
+                    continue;
+                }
+
+                var hasWhitespaceBefore = IsPreviousTokenOnSameLineAndApartByWhitespace(tokenNode);
+                var hasWhitespaceAfter = IsPreviousTokenOnSameLineAndApartByWhitespace(tokenNode.Next);
 
                 if (!hasWhitespaceAfter || !hasWhitespaceBefore)
                 {

Tests/Rules/UseConsistentWhitespace.tests.ps1

@@ -173,6 +173,13 @@ $x = 1
             $violations = Invoke-ScriptAnalyzer -ScriptDefinition $def -Settings $settings
             $violations.Count | Should Be 0
         }
+
+        It "Should not find violation if there are no whitespaces around DotDot operator" {
+            $def = @'
+1..5
+'@
+            Invoke-ScriptAnalyzer -ScriptDefinition $def -Settings $settings | Should Be $null
+        }
     }
 
     Context "When a comma is not followed by a space" {