* ext/psych/lib/psych/visitors/to_ruby.rb: fix a bug with string

subclass dumping and loading.

* test/psych/test_array.rb: pertinent tests

* test/psych/test_string.rb: ditto

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35658 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,12 @@
+Wed May 16 05:11:29 2012  Aaron Patterson <aaron@tenderlovemaking.com>
+
+	* ext/psych/lib/psych/visitors/to_ruby.rb: fix a bug with string
+	  subclass dumping and loading.
+
+	* test/psych/test_array.rb: pertinent tests
+
+	* test/psych/test_string.rb: ditto
+
 Wed May 16 01:31:21 2012  Aaron Patterson <aaron@tenderlovemaking.com>
 
 	* ext/psych/lib/psych/visitors/to_ruby.rb: convert omap tagged maps to

ext/psych/lib/psych/visitors/to_ruby.rb

@@ -147,8 +147,7 @@ module Psych
           string = members.delete 'str'
 
           if klass
-            string = klass.allocate
-            string.replace string
+            string = klass.allocate.replace string
           end
 
           init_with(string, members.map { |k,v| [k.to_s.sub(/^@/, ''),v] }, o)

test/psych/test_array.rb

@@ -14,6 +14,16 @@ module Psych
       @list = [{ :a => 'b' }, 'foo']
     end
 
+    def test_another_subclass_with_attributes
+      y = Y.new.tap {|y| y.val = 1}
+      y << "foo" << "bar"
+      y = Psych.load Psych.dump y
+
+      assert_equal %w{foo bar}, y
+      assert_equal Y, y.class
+      assert_equal 1, y.val
+    end
+
     def test_subclass
       yaml = Psych.dump X.new
       assert_match X.name, yaml

test/psych/test_string.rb

@@ -9,6 +9,13 @@ module Psych
       attr_accessor :val
     end
 
+    def test_another_subclass_with_attributes
+      y = Psych.load Psych.dump Y.new("foo").tap {|y| y.val = 1}
+      assert_equal "foo", y
+      assert_equal Y, y.class
+      assert_equal 1, y.val
+    end
+
     def test_backwards_with_syck
       x = Psych.load "--- !str:#{X.name} foo\n\n"
       assert_equal X, x.class