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-rw-r--r--activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb b/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
index b8442656ee..839a7852fc 100644
--- a/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
+++ b/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
@@ -104,6 +104,9 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase
def test_proper_usage_of_primary_keys_and_join_table
setup_data_for_habtm_case
+ assert_equal 'country_id', Country.primary_key
+ assert_equal 'treaty_id', Treaty.primary_key
+
country = Country.first
assert_equal 1, country.treaties.count
end