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-rw-r--r--activesupport/test/abstract_unit.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/activesupport/test/abstract_unit.rb b/activesupport/test/abstract_unit.rb
index c4f34c0abf..f214898145 100644
--- a/activesupport/test/abstract_unit.rb
+++ b/activesupport/test/abstract_unit.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
ORIG_ARGV = ARGV.dup
require "active_support/core_ext/kernel/reporting"
@@ -36,4 +38,8 @@ class ActiveSupport::TestCase
private def jruby_skip(message = "")
skip message if defined?(JRUBY_VERSION)
end
+
+ def frozen_error_class
+ Object.const_defined?(:FrozenError) ? FrozenError : RuntimeError
+ end
end