1 files changed, 7 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/datatype_test.rb b/activerecord/test/cases/adapters/postgresql/datatype_test.rb
index a0a34e4b87..2c4839338c 100644
--- a/activerecord/test/cases/adapters/postgresql/datatype_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/datatype_test.rb
@@ -94,6 +94,13 @@ class PostgresqlDataTypeTest < ActiveRecord::TestCase
     assert @first_oid.reload
     assert_equal new_value, @first_oid.obj_id
   end
+
+  def test_text_columns_are_limitless_the_upper_limit_is_one_GB
+    assert_equal 'text', @connection.type_to_sql(:text, 100_000)
+    assert_raise ActiveRecord::ActiveRecordError do
+      @connection.type_to_sql :text, 4294967295
+    end
+  end
 end
 
 class PostgresqlInternalDataTypeTest < ActiveRecord::TestCase