1 files changed, 45 insertions, 0 deletions
diff --git a/spec/ruby/core/module/refinements_spec.rb b/spec/ruby/core/module/refinements_spec.rb
new file mode 100644
index 0000000000..5648fcbd6f
--- /dev/null
+++ b/spec/ruby/core/module/refinements_spec.rb
@@ -0,0 +1,45 @@
+require_relative '../../spec_helper'
+
+describe "Module#refinements" do
+  ruby_version_is "3.2" do
+    it "returns refinements defined in a module" do
+      ScratchPad.record []
+
+      m = Module.new do
+        refine String do
+          ScratchPad << self
+        end
+
+        refine Array do
+          ScratchPad << self
+        end
+      end
+
+      m.refinements.sort_by(&:object_id).should == ScratchPad.recorded.sort_by(&:object_id)
+    end
+
+    it "does not return refinements defined in the included module" do
+      ScratchPad.record []
+
+      m1 = Module.new do
+        refine Integer do
+          nil
+        end
+      end
+
+      m2 = Module.new do
+        include m1
+
+        refine String do
+          ScratchPad << self
+        end
+      end
+
+      m2.refinements.should == ScratchPad.recorded
+    end
+
+    it "returns an empty array if no refinements defined in a module" do
+      Module.new.refinements.should == []
+    end
+  end
+end