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-rw-r--r--activerecord/test/cases/inheritance_test.rb11
1 files changed, 11 insertions, 0 deletions
diff --git a/activerecord/test/cases/inheritance_test.rb b/activerecord/test/cases/inheritance_test.rb
index cb0d374ef7..7fd7d42354 100644
--- a/activerecord/test/cases/inheritance_test.rb
+++ b/activerecord/test/cases/inheritance_test.rb
@@ -128,6 +128,17 @@ class InheritanceTest < ActiveRecord::TestCase
assert_kind_of Cabbage, cabbage
end
+ def test_alt_becomes_bang_resets_inheritance_type_column
+ vegetable = Vegetable.create!(name: "Red Pepper")
+ assert_nil vegetable.custom_type
+
+ cabbage = vegetable.becomes!(Cabbage)
+ assert_equal "Cabbage", cabbage.custom_type
+
+ vegetable = cabbage.becomes!(Vegetable)
+ assert_nil cabbage.custom_type
+ end
+
def test_inheritance_find_all
companies = Company.all.merge!(:order => 'id').to_a
assert_kind_of Firm, companies[0], "37signals should be a firm"