Enable refinements to public_send.

[Feature #15326] [Fix GH-2019]

From: manga_osyo <manga.osyo@gmail.com>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65919 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 18 insertions, 0 deletions

diff --git a/spec/ruby/core/module/refine_spec.rb b/spec/ruby/core/module/refine_spec.rb
index 287aa601a9..97645e5466 100644
--- a/spec/ruby/core/module/refine_spec.rb
+++ b/spec/ruby/core/module/refine_spec.rb
@@ -425,6 +425,24 @@ describe "Module#refine" do
       end
     end
 
+    ruby_version_is "2.6" do
+      it "is honored by Kernel#public_send" do
+        refinement = Module.new do
+          refine ModuleSpecs::ClassWithFoo do
+            def foo; "foo from refinement"; end
+          end
+        end
+
+        result = nil
+        Module.new do
+          using refinement
+          result = ModuleSpecs::ClassWithFoo.new.public_send :foo
+        end
+
+        result.should == "foo from refinement"
+      end
+    end
+
     ruby_version_is "" ... "2.5" do
       it "is not honored by string interpolation" do
         refinement = Module.new do