Should handle array option for `:cast_as`

1 files changed, 7 insertions, 0 deletions

diff --git a/activerecord/test/cases/adapters/postgresql/change_schema_test.rb b/activerecord/test/cases/adapters/postgresql/change_schema_test.rb
index 6c1b29f7fe..5a9796887c 100644
--- a/activerecord/test/cases/adapters/postgresql/change_schema_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/change_schema_test.rb
@@ -26,6 +26,13 @@ module ActiveRecord
         connection.change_column :strings, :somedate, :timestamp, cast_as: :timestamp
         assert_equal :datetime, connection.columns(:strings).find { |c| c.name == 'somedate' }.type
       end
+
+      def test_change_type_with_array
+        connection.change_column :strings, :somedate, :timestamp, array: true, cast_as: :timestamp
+        column = connection.columns(:strings).find { |c| c.name == 'somedate' }
+        assert_equal :datetime, column.type
+        assert column.array?
+      end
     end
   end
 end