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-rw-r--r--activemodel/test/cases/serializers/json_serialization_test.rb9
1 files changed, 9 insertions, 0 deletions
diff --git a/activemodel/test/cases/serializers/json_serialization_test.rb b/activemodel/test/cases/serializers/json_serialization_test.rb
index bb5be8cdeb..fd4d068354 100644
--- a/activemodel/test/cases/serializers/json_serialization_test.rb
+++ b/activemodel/test/cases/serializers/json_serialization_test.rb
@@ -155,6 +155,15 @@ class JsonSerializationTest < ActiveModel::TestCase
end
end
+ test "as_json should keep the default order in the hash" do
+ json = @contact.as_json
+ keys = json.keys
+
+ %w(name age created_at awesome preferences).each_with_index do |field, index|
+ assert_equal keys.index(field), index
+ end
+ end
+
test "from_json should work without a root (class attribute)" do
json = @contact.to_json
result = Contact.new.from_json(json)