Document order of execution const_added vs inherited

1 files changed, 20 insertions, 0 deletions

diff --git a/spec/ruby/core/module/const_added_spec.rb b/spec/ruby/core/module/const_added_spec.rb
index 4b10dd5963..1b3dad514b 100644
--- a/spec/ruby/core/module/const_added_spec.rb
+++ b/spec/ruby/core/module/const_added_spec.rb
@@ -199,5 +199,25 @@ describe "Module#const_added" do
 
       ScratchPad.recorded.should == [123, 456]
     end
+
+    it "for a class defined with the `class` keyword, const_added runs before inherited" do
+      ScratchPad.record []
+
+      mod = Module.new do
+        def self.const_added(_)
+          ScratchPad << :const_added
+        end
+      end
+
+      parent = Class.new do
+        def self.inherited(_)
+          ScratchPad << :inherited
+        end
+      end
+
+      class mod::C < parent; end
+
+      ScratchPad.recorded.should == [:const_added, :inherited]
+    end
   end
 end