2 files changed, 28 insertions, 0 deletions
diff --git a/test/drb/test_drb.rb b/test/drb/test_drb.rb
index b792349f28..47b2966ae2 100644
--- a/test/drb/test_drb.rb
+++ b/test/drb/test_drb.rb
@@ -349,4 +349,20 @@ class TestDRbTCP < Test::Unit::TestCase
   end
 end
 
+class TestBug16634 < Test::Unit::TestCase
+  include DRbBase
+
+  def setup
+    super
+    setup_service 'ut_drb.rb'
+  end
+
+  def test_bug16634
+    assert_equal(42, @there.keyword_test1(a: 42))
+    assert_equal("default", @there.keyword_test2)
+    assert_equal(42, @there.keyword_test2(b: 42))
+    assert_equal({:a=>42, :b=>42}, @there.keyword_test3(a: 42, b: 42))
+  end
+end
+
 end
diff --git a/test/drb/ut_drb.rb b/test/drb/ut_drb.rb
index b1306d0cb0..e7bd2dff73 100644
--- a/test/drb/ut_drb.rb
+++ b/test/drb/ut_drb.rb
@@ -148,6 +148,18 @@ class DRbEx
     end
   end
 
+  def keyword_test1(a:)
+    a
+  end
+
+  def keyword_test2(b: "default")
+    b
+  end
+
+  def keyword_test3(**opt)
+    opt
+  end
+
   private
   def call_private_method
     true