Fix false negatives in Style/MapIntoArray autocorrection when using ensure, def, defs and for

Author: vlad-pisanov

changelog/fix_style_map_into_array_autocorrect_detection.md

@@ -0,0 +1 @@
+* [#13185](https://github.com/rubocop/rubocop/pull/13185): Fix false negatives in `Style/MapIntoArray` autocorrection when using `ensure`, `def`, `defs` and `for`. ([@vlad-pisanov][])

lib/rubocop/cop/style/map_into_array.rb

@@ -147,10 +147,8 @@ def return_value_used?(node)
             false
           when :begin, :kwbegin
             !node.right_sibling && return_value_used?(parent)
-          when :block, :numblock
-            !parent.void_context?
           else
-            true
+            !parent.respond_to?(:void_context?) || !parent.void_context?
           end
         end
 

spec/rubocop/cop/style/map_into_array_spec.rb

@@ -374,6 +374,10 @@
           it_behaves_like 'corrects', template: 'begin; %s end'
         end
       end
+
+      context 'in an ensure' do
+        it_behaves_like 'corrects', template: 'begin; ensure; %s end'
+      end
     end
 
     context 'in a block' do
@@ -404,6 +408,18 @@
       context 'at the end' do
         it_behaves_like 'skip correcting', template: 'def foo; %s end'
       end
+
+      context 'in a constructor' do
+        it_behaves_like 'corrects', template: 'def initialize; %s; end'
+      end
+
+      context 'in an assignment method' do
+        it_behaves_like 'corrects', template: 'def foo=(value); %s; end'
+      end
+    end
+
+    context 'in a for loop' do
+      it_behaves_like 'corrects', template: 'for i in foo; %s; end'
     end
   end
 end