From 8cd2bf072180a9f733ac06dbaa96f071ca8e8303 Mon Sep 17 00:00:00 2001
From: tenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 9 Jun 2011 01:58:07 +0000
Subject: * ext/psych/lib/psych/visitors/to_ruby.rb: Hash subclasses can be
 read   from YAML files. * ext/psych/lib/psych/visitors/yaml_tree.rb: Hash
 subclasses can be   dumped to YAML files. * test/psych/test_hash.rb:
 corresponding test.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31961 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/psych/test_hash.rb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

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

diff --git a/test/psych/test_hash.rb b/test/psych/test_hash.rb
index 3147076792..4bd4edfc8c 100644
--- a/test/psych/test_hash.rb
+++ b/test/psych/test_hash.rb
@@ -2,11 +2,25 @@ require 'psych/helper'
 
 module Psych
   class TestHash < TestCase
+    class X < Hash
+    end
+
     def setup
       super
       @hash = { :a => 'b' }
     end
 
+    def test_empty_subclass
+      assert_match "!ruby/hash:#{X}", Psych.dump(X.new)
+      x = Psych.load Psych.dump X.new
+      assert_equal X, x.class
+    end
+
+    def test_map
+      x = Psych.load "--- !map:#{X} { }\n"
+      assert_equal X, x.class
+    end
+
     def test_self_referential
       @hash['self'] = @hash
       assert_cycle(@hash)
-- 
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