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-rw-r--r--activemodel/test/cases/errors_test.rb10
1 files changed, 10 insertions, 0 deletions
diff --git a/activemodel/test/cases/errors_test.rb b/activemodel/test/cases/errors_test.rb
index 79b45bb298..1958ed112c 100644
--- a/activemodel/test/cases/errors_test.rb
+++ b/activemodel/test/cases/errors_test.rb
@@ -61,5 +61,15 @@ class ErrorsTest < ActiveModel::TestCase
assert_equal ["name can not be blank", "name can not be nil"], person.errors.to_a
end
+
+ test 'to_json should return valid json string' do
+ person = Person.new
+ person.errors.add(:name, "can not be blank")
+ person.errors.add(:name, "can not be nil")
+
+ hash = ActiveSupport::OrderedHash[:name, ["can not be blank", "can not be nil"]]
+
+ assert_equal person.errors.to_json, hash.to_json
+ end
end