diff options
Diffstat (limited to 'activesupport')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/object/instance_variables.rb | 4 | ||||
| -rw-r--r-- | activesupport/test/core_ext/object_and_class_ext_test.rb | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/instance_variables.rb b/activesupport/lib/active_support/core_ext/object/instance_variables.rb index e07eb76c1d..57276135c4 100644 --- a/activesupport/lib/active_support/core_ext/object/instance_variables.rb +++ b/activesupport/lib/active_support/core_ext/object/instance_variables.rb @@ -13,6 +13,10 @@ class Object end end + def instance_variable_names + instance_variables.map(&:to_s) + end + def copy_instance_variables_from(object, exclude = []) #:nodoc: exclude += object.protected_instance_variables if object.respond_to? :protected_instance_variables diff --git a/activesupport/test/core_ext/object_and_class_ext_test.rb b/activesupport/test/core_ext/object_and_class_ext_test.rb index f885d94be3..09a86721dd 100644 --- a/activesupport/test/core_ext/object_and_class_ext_test.rb +++ b/activesupport/test/core_ext/object_and_class_ext_test.rb @@ -182,6 +182,10 @@ class ObjectInstanceVariableTest < Test::Unit::TestCase @source.instance_variable_set(:@baz, 'baz') end + def test_instance_variable_names + assert_equal %w(@bar @baz), @source.instance_variable_names.sort + end + def test_instance_variable_defined assert @source.instance_variable_defined?('@bar') assert @source.instance_variable_defined?(:@bar) |