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-rw-r--r--activerecord/test/cases/persistence_test.rb9
1 files changed, 9 insertions, 0 deletions
diff --git a/activerecord/test/cases/persistence_test.rb b/activerecord/test/cases/persistence_test.rb
index ffe6fb95b8..07262f56be 100644
--- a/activerecord/test/cases/persistence_test.rb
+++ b/activerecord/test/cases/persistence_test.rb
@@ -241,6 +241,15 @@ class PersistencesTest < ActiveRecord::TestCase
assert_nothing_raised { minimalistic.save }
end
+ def test_update_sti_type
+ assert_instance_of Reply, topics(:second)
+
+ topic = topics(:second).becomes(Topic)
+ assert_instance_of Topic, topic
+ topic.save!
+ assert_instance_of Topic, Topic.find(topic.id)
+ end
+
def test_delete
topic = Topic.find(1)
assert_equal topic, topic.delete, 'topic.delete did not return self'