1 files changed, 47 insertions, 0 deletions
diff --git a/test/ruby/test_refinement.rb b/test/ruby/test_refinement.rb
index 6ce434790b..209e55294b 100644
--- a/test/ruby/test_refinement.rb
+++ b/test/ruby/test_refinement.rb
@@ -1933,6 +1933,29 @@ class TestRefinement < Test::Unit::TestCase
     end;
   end
 
+  def test_public_in_refine_for_method_in_superclass
+    assert_separately([], "#{<<-"begin;"}\n#{<<-"end;"}")
+    begin;
+      bug21446 = '[ruby-core:122558] [Bug #21446]'
+
+      class CowSuper
+        private
+        def moo() "Moo"; end
+      end
+      class Cow < CowSuper
+      end
+
+      module PublicCows
+        refine(Cow) {
+          public :moo
+        }
+      end
+
+      using PublicCows
+      assert_equal("Moo", Cow.new.moo, bug21446)
+    end;
+  end
+
   module SuperToModule
     class Parent
     end
@@ -2712,6 +2735,30 @@ class TestRefinement < Test::Unit::TestCase
     INPUT
   end
 
+  def test_refined_module_method
+    m = Module.new {
+      x = Module.new {def qux;end}
+      refine(x) {def qux;end}
+      break x
+    }
+    extend m
+    meth = method(:qux)
+    assert_equal m, meth.owner
+    assert_equal :qux, meth.name
+  end
+
+  def test_symbol_proc_from_using_scope
+    # assert_separately to contain the side effects of refining Kernel
+    assert_separately([], <<~RUBY)
+      class RefinedScope
+        using(Module.new { refine(Kernel) { def itself = 0 } })
+        ITSELF = :itself.to_proc
+      end
+
+      assert_equal(1, RefinedScope::ITSELF[1], "[Bug #21265]")
+    RUBY
+  end
+
   private
 
   def eval_using(mod, s)