1 files changed, 11 insertions, 1 deletions
diff --git a/activerecord/test/cases/migration/rename_table_test.rb b/activerecord/test/cases/migration/rename_table_test.rb
index 21901bec3c..22dbd7c38b 100644
--- a/activerecord/test/cases/migration/rename_table_test.rb
+++ b/activerecord/test/cases/migration/rename_table_test.rb
@@ -63,7 +63,17 @@ module ActiveRecord
         connection.enable_identity_insert("octopi", false) if current_adapter?(:SybaseAdapter)
 
         assert_equal 'http://www.foreverflying.com/octopus-black7.jpg', connection.select_value("SELECT url FROM octopi WHERE id=1")
-        assert connection.indexes(:octopi).first.columns.include?("url")
+        index = connection.indexes(:octopi).first
+        assert index.columns.include?("url")
+        assert_equal 'index_octopi_on_url', index.name
+      end
+
+      def test_rename_table_does_not_rename_custom_named_index
+        add_index :test_models, :url, name: 'special_url_idx'
+
+        rename_table :test_models, :octopi
+
+        assert_equal ['special_url_idx'], connection.indexes(:octopi).map(&:name)
       end
 
       def test_rename_table_for_postgresql_should_also_rename_default_sequence