* ext/psych/lib/psych/visitors/yaml_tree.rb: register nodes when

  dumping objects with custom coders. [ruby-core:66215] [Bug #10496]

* test/psych/test_coder.rb: test for fix

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49529 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 22 insertions, 0 deletions

diff --git a/test/psych/test_coder.rb b/test/psych/test_coder.rb
index 7571e89c9d..e3213e2faa 100644
--- a/test/psych/test_coder.rb
+++ b/test/psych/test_coder.rb
@@ -95,6 +95,28 @@ module Psych
       end
     end
 
+    class Referential
+      attr_reader :a
+
+      def initialize
+        @a = self
+      end
+
+      def encode_with(c)
+        c['a'] = @a
+      end
+
+      def init_with(c)
+        @a = c['a']
+      end
+    end
+
+    def test_self_referential
+      x = Referential.new
+      copy = Psych.load Psych.dump x
+      assert_equal copy, copy.a
+    end
+
     def test_represent_with_object
       thing = Psych.load(Psych.dump(RepresentWithObject.new))
       assert_equal 20, thing