1 files changed, 13 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/uuid_test.rb b/activerecord/test/cases/adapters/postgresql/uuid_test.rb
index 76cb1bc354..466d281e85 100644
--- a/activerecord/test/cases/adapters/postgresql/uuid_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/uuid_test.rb
@@ -76,6 +76,19 @@ class PostgresqlUUIDTest < ActiveRecord::PostgreSQLTestCase
     assert_nil column.default
   end
 
+  def test_add_column_with_default_array
+    connection.add_column :uuid_data_type, :thingy, :uuid, array: true, default: []
+
+    UUIDType.reset_column_information
+    column = UUIDType.columns_hash["thingy"]
+
+    assert column.array?
+    assert_equal "{}", column.default
+
+    schema = dump_table_schema "uuid_data_type"
+    assert_match %r{t\.uuid "thingy", default: \[\], array: true$}, schema
+  end
+
   def test_data_type_of_uuid_types
     column = UUIDType.columns_hash["guid"]
     assert_equal :uuid, column.type