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-rw-r--r--activerecord/test/cases/associations/has_one_associations_test.rb13
1 files changed, 13 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/has_one_associations_test.rb b/activerecord/test/cases/associations/has_one_associations_test.rb
index 3ce87df126..08831a42ba 100644
--- a/activerecord/test/cases/associations/has_one_associations_test.rb
+++ b/activerecord/test/cases/associations/has_one_associations_test.rb
@@ -472,4 +472,17 @@ class HasOneAssociationsTest < ActiveRecord::TestCase
assert_equal car.id, bulb.attributes_after_initialize['car_id']
end
+
+ def test_has_one_transaction
+ company = companies(:first_firm)
+ account = Account.find(1)
+
+ company.account # force loading
+ assert_no_queries { company.account = account }
+
+ company.account = nil
+ assert_no_queries { company.account = nil }
+ account = Account.find(2)
+ assert_queries { company.account = account }
+ end
end