lib/mutant/mutator/node/send.rb in mutant-0.5.19 vs lib/mutant/mutator/node/send.rb in mutant-0.5.20

@@ -1,7 +1,5 @@
-# encoding: utf-8
-
 module Mutant
   class Mutator
     class Node
 
       # Namespace for send mutators
@@ -181,15 +179,23 @@
         # @return [undefined]
         #
         # @api private
         #
         def emit_implicit_self
-          if receiver.type == :self &&
-             !KEYWORDS.include?(selector) &&
-             !attribute_assignment? &&
-             !OP_ASSIGN.include?(parent_type)
-            emit_receiver(nil)
-          end
+          emit_receiver(nil) if allow_implicit_self?
+        end
+
+        # Test if implicit self is allowed
+        #
+        # @return [Boolean]
+        #
+        # @api private
+        #
+        def allow_implicit_self?
+          n_self?(receiver) &&
+          !KEYWORDS.include?(selector) &&
+          !attribute_assignment? &&
+          !OP_ASSIGN.include?(parent_type)
         end
 
         # Test for assignment
         #
         # FIXME: This also returns true for <= operator!