1 files changed, 28 insertions, 0 deletions
diff --git a/activerecord/test/cases/store_test.rb b/activerecord/test/cases/store_test.rb
index 0c9f7ccd55..978cee9cfb 100644
--- a/activerecord/test/cases/store_test.rb
+++ b/activerecord/test/cases/store_test.rb
@@ -162,4 +162,32 @@ class StoreTest < ActiveRecord::TestCase
     assert_equal [:color], first_model.stored_attributes[:data]
     assert_equal [:width, :height], second_model.stored_attributes[:data]
   end
+
+  test "YAML coder initializes the store when a Nil value is given" do
+    assert_equal({}, @john.params)
+  end
+
+  test "attributes_for_coder should return stored fields already serialized" do
+    attributes = {
+      "id" => @john.id,
+      "name"=> @john.name,
+      "settings" => "--- !ruby/hash:ActiveSupport::HashWithIndifferentAccess\ncolor: black\n",
+      "preferences" => "--- !ruby/hash:ActiveSupport::HashWithIndifferentAccess\nremember_login: true\n",
+      "json_data" => "{\"height\":\"tall\"}", "json_data_empty"=>"{\"is_a_good_guy\":true}",
+      "params" => "--- !ruby/hash:ActiveSupport::HashWithIndifferentAccess {}\n",
+      "account_id"=> @john.account_id
+    }
+
+    assert_equal attributes, @john.attributes_for_coder
+  end
+
+  test "dump, load and dump again a model" do
+    dumped = YAML.dump(@john)
+    loaded = YAML.load(dumped)
+    assert_equal @john, loaded
+
+    second_dump = YAML.dump(loaded)
+    assert_equal dumped, second_dump
+    assert_equal @john, YAML.load(second_dump)
+  end
 end