From 8c08c8298a03a01629a478b74abfd57d7f35cb05 Mon Sep 17 00:00:00 2001
From: tenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 8 Jan 2015 22:00:54 +0000
Subject: * ext/psych/lib/psych/visitors/to_ruby.rb: revive hashes with ivars

* ext/psych/lib/psych/visitors/yaml_tree.rb: dump hashes with ivars.
  Fixes github.com/psych/issues/43

* test/psych/test_hash.rb: test for change

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49188 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/psych/test_hash.rb | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'test/psych')

diff --git a/test/psych/test_hash.rb b/test/psych/test_hash.rb
index 264a4719e2..8d7ba1b1e0 100644
--- a/test/psych/test_hash.rb
+++ b/test/psych/test_hash.rb
@@ -10,6 +10,22 @@ module Psych
       @hash = { :a => 'b' }
     end
 
+    def test_hash_with_ivars
+      @hash.instance_variable_set :@foo, 'bar'
+      dup = Psych.load Psych.dump @hash
+      assert_equal 'bar', dup.instance_variable_get(:@foo)
+    end
+
+    def test_hash_subclass_with_ivars
+      x = X.new
+      x[:a] = 'b'
+      x.instance_variable_set :@foo, 'bar'
+      dup = Psych.load Psych.dump x
+      assert_cycle x
+      assert_equal 'bar', dup.instance_variable_get(:@foo)
+      assert_equal X, dup.class
+    end
+
     def test_load_with_class_syck_compatibility
       hash = Psych.load "--- !ruby/object:Hash\n:user_id: 7\n:username: Lucas\n"
       assert_equal({ user_id: 7, username: 'Lucas'}, hash)
-- 
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