diff options
3 files changed, 17 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/object.rb b/activesupport/lib/active_support/core_ext/object.rb index bbc7d81672..0796a7b710 100644 --- a/activesupport/lib/active_support/core_ext/object.rb +++ b/activesupport/lib/active_support/core_ext/object.rb @@ -1,4 +1,5 @@ require 'active_support/core_ext/object/conversions' require 'active_support/core_ext/object/extending' require 'active_support/core_ext/object/instance_variables' +require 'active_support/core_ext/object/metaclass' require 'active_support/core_ext/object/misc' diff --git a/activesupport/lib/active_support/core_ext/object/metaclass.rb b/activesupport/lib/active_support/core_ext/object/metaclass.rb new file mode 100644 index 0000000000..169a76dfb7 --- /dev/null +++ b/activesupport/lib/active_support/core_ext/object/metaclass.rb @@ -0,0 +1,8 @@ +class Object + # Get object's meta (ghost, eigenclass, singleton) class + def metaclass + class << self + self + end + end +end 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 16f4ab888e..b0a746fdc7 100644 --- a/activesupport/test/core_ext/object_and_class_ext_test.rb +++ b/activesupport/test/core_ext/object_and_class_ext_test.rb @@ -173,6 +173,14 @@ class ObjectTests < Test::Unit::TestCase assert duck.acts_like?(:time) assert !duck.acts_like?(:date) end + + def test_metaclass + string = "Hello" + string.metaclass.instance_eval do + define_method(:foo) { "bar" } + end + assert_equal "bar", string.foo + end end class ObjectInstanceVariableTest < Test::Unit::TestCase |