1 files changed, 35 insertions, 0 deletions
diff --git a/test/ruby/test_clone.rb b/test/ruby/test_clone.rb
new file mode 100644
index 0000000000..ad146709ad
--- /dev/null
+++ b/test/ruby/test_clone.rb
@@ -0,0 +1,35 @@
+require 'test/unit'
+
+$KCODE = 'none'
+
+class TestClone < Test::Unit::TestCase
+  module M001; end
+  module M002; end
+  module M003; include M002; end
+  module M002; include M001; end
+  module M003; include M002; end
+    
+  def test_clone
+    foo = Object.new
+    def foo.test
+      "test"
+    end
+    bar = foo.clone
+    def bar.test2
+      "test2"
+    end
+    
+    assert(bar.test2 == "test2")
+    assert(bar.test == "test")
+    assert(foo.test == "test")  
+    
+    begin
+      foo.test2
+      assert false
+    rescue NoMethodError
+      assert true
+    end
+    
+    assert(M003.ancestors == [M003, M002, M001])
+  end
+end