1 files changed, 21 insertions, 0 deletions
diff --git a/spec/ruby/language/fixtures/array.rb b/spec/ruby/language/fixtures/array.rb
index 4d8ce74ed6..c1036575ff 100644
--- a/spec/ruby/language/fixtures/array.rb
+++ b/spec/ruby/language/fixtures/array.rb
@@ -8,4 +8,25 @@ module ArraySpec
       [a, b, c, d]
     end
   end
+
+  class SideEffect
+    def initialize()
+      @call_count = 0
+    end
+
+    attr_reader :call_count
+
+    def array_result(a_number)
+      [result(a_number), result(a_number)]
+    end
+
+    def result(a_number)
+      @call_count += 1
+      if a_number
+        1
+      else
+        :thing
+      end
+    end
+  end
 end