1 files changed, 35 insertions, 0 deletions
diff --git a/activerecord/test/cases/yaml_serialization_test.rb b/activerecord/test/cases/yaml_serialization_test.rb
index f221def6b6..0b54c309d1 100644
--- a/activerecord/test/cases/yaml_serialization_test.rb
+++ b/activerecord/test/cases/yaml_serialization_test.rb
@@ -2,10 +2,45 @@ require "cases/helper"
 require 'models/topic'
 
 class YamlSerializationTest < ActiveRecord::TestCase
+  fixtures :topics
+
   def test_to_yaml_with_time_with_zone_should_not_raise_exception
     Time.zone = ActiveSupport::TimeZone["Pacific Time (US & Canada)"]
     ActiveRecord::Base.time_zone_aware_attributes = true
     topic = Topic.new(:written_on => DateTime.now)
     assert_nothing_raised { topic.to_yaml }
   end
+
+  def test_roundtrip
+    topic = Topic.first
+    assert topic
+    t = YAML.load YAML.dump topic
+    assert_equal topic, t
+  end
+
+  def test_encode_with_coder
+    topic = Topic.first
+    coder = {}
+    topic.encode_with coder
+    assert_equal({'attributes' => topic.attributes}, coder)
+  end
+
+  begin
+    require 'psych'
+
+    def test_psych_roundtrip
+      topic = Topic.first
+      assert topic
+      t = Psych.load Psych.dump topic
+      assert_equal topic, t
+    end
+
+    def test_psych_roundtrip_new_object
+      topic = Topic.new
+      assert topic
+      t = Psych.load Psych.dump topic
+      assert_equal topic.attributes, t.attributes
+    end
+  rescue LoadError
+  end
 end