Don't convert keywords to hash in #send for verifying doubles on Ruby…

… 3 (#1520)

* Don't convert keywords to hash in #send for verifying doubles on Ruby 3

Co-authored-by: Charlie Honig <chonig@panoramaed.com>

Changelog.md

@@ -1,6 +1,11 @@
 ### Development
 [Full Changelog](http://github.com/rspec/rspec-mocks/compare/v3.12.1...3-12-maintenance)
 
+Bug Fixes:
+
+* Fix keyword delegation in `send` for verifying doubles on Ruby 3.
+  (Charlie Honig, #1485)
+
 ### 3.12.2 / 2023-01-07
 [Full Changelog](http://github.com/rspec/rspec-mocks/compare/v3.12.1...v3.12.2)
 

lib/rspec/mocks/verifying_double.rb

@@ -42,11 +42,13 @@ def __send__(name, *args, &block)
       ensure
         @__sending_message = nil
       end
+      ruby2_keywords :__send__ if respond_to?(:ruby2_keywords, true)
       $VERBOSE = old
 
       def send(name, *args, &block)
         __send__(name, *args, &block)
       end
+      ruby2_keywords :send if respond_to?(:ruby2_keywords, true)
 
       def initialize(doubled_module, *args)
         @doubled_module = doubled_module

spec/rspec/mocks/verifying_doubles/expected_arg_verification_spec.rb

@@ -143,6 +143,15 @@ module Mocks
                 dbl.kw_args_method(1, {:required_arg => 2, :optional_arg => 3})
               end
             end
+
+            context "when using `send`" do
+              let(:dbl) { instance_double(Class.new { eval "def m(k:); end" }) }
+
+              it "matches against keyword arguments" do
+                expect(dbl).to receive(:m).with(:k => 1)
+                dbl.send(:m, :k => 1)
+              end
+            end
           end
         end
       end