1 files changed, 10 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/uuid_test.rb b/activerecord/test/cases/adapters/postgresql/uuid_test.rb
index 53002c5265..c0c0e8898c 100644
--- a/activerecord/test/cases/adapters/postgresql/uuid_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/uuid_test.rb
@@ -35,6 +35,16 @@ class PostgresqlUUIDTest < ActiveRecord::TestCase
     @connection.execute 'drop table if exists pg_uuids'
   end
 
+  def test_id_is_uuid
+    assert_equal :uuid, UUID.columns_hash['id'].type
+    assert UUID.primary_key
+  end
+
+  def test_id_has_a_default
+    u = UUID.create
+    assert_not_nil u.id
+  end
+
   def test_auto_create_uuid
     u = UUID.create
     u.reload