From 5dabead1871ed0100674e3eeb4a9f549b1997a85 Mon Sep 17 00:00:00 2001
From: tenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 8 Jan 2015 22:15:20 +0000
Subject: * ext/psych/lib/psych/visitors/to_ruby.rb: call `allocate` on hash
 subclasses.  Fixes github.com/tenderlove/psych/issues/196

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

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49189 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/psych/test_hash.rb | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'test/psych/test_hash.rb')

diff --git a/test/psych/test_hash.rb b/test/psych/test_hash.rb
index 8d7ba1b1e0..066df6612e 100644
--- a/test/psych/test_hash.rb
+++ b/test/psych/test_hash.rb
@@ -5,11 +5,39 @@ module Psych
     class X < Hash
     end
 
+    class HashWithCustomInit < Hash
+      attr_reader :obj
+      def initialize(obj)
+        @obj = obj
+      end
+    end
+
+    class HashWithCustomInitNoIvar < Hash
+      def initialize(obj)
+        # *shrug*
+      end
+    end
+
     def setup
       super
       @hash = { :a => 'b' }
     end
 
+    def test_custom_initialized
+      a = [1,2,3,4,5]
+      t1 = HashWithCustomInit.new(a)
+      t2 = Psych.load(Psych.dump(t1))
+      assert_equal t1, t2
+      assert_cycle t1
+    end
+
+    def test_custom_initialize_no_ivar
+      t1 = HashWithCustomInitNoIvar.new(nil)
+      t2 = Psych.load(Psych.dump(t1))
+      assert_equal t1, t2
+      assert_cycle t1
+    end
+
     def test_hash_with_ivars
       @hash.instance_variable_set :@foo, 'bar'
       dup = Psych.load Psych.dump @hash
-- 
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