1 files changed, 17 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/hstore_test.rb b/activerecord/test/cases/adapters/postgresql/hstore_test.rb
index 6df5d8f533..d8782f5eaa 100644
--- a/activerecord/test/cases/adapters/postgresql/hstore_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/hstore_test.rb
@@ -70,6 +70,23 @@ class PostgresqlHstoreTest < ActiveRecord::TestCase
       Hstore.reset_column_information
     end
 
+    def test_hstore_migration
+      hstore_migration = Class.new(ActiveRecord::Migration) do
+        def change
+          change_table("hstores") do |t|
+            t.hstore :keys
+          end
+        end
+      end
+
+      hstore_migration.new.suppress_messages do
+        hstore_migration.migrate(:up)
+        assert_includes @connection.columns(:hstores).map(&:name), "keys"
+        hstore_migration.migrate(:down)
+        assert_not_includes @connection.columns(:hstores).map(&:name), "keys"
+      end
+    end
+
     def test_cast_value_on_write
       x = Hstore.new tags: {"bool" => true, "number" => 5}
       assert_equal({"bool" => "true", "number" => "5"}, x.tags)