diff options
Diffstat (limited to 'activesupport/test/core_ext/object/instance_variables_test.rb')
-rw-r--r-- | activesupport/test/core_ext/object/instance_variables_test.rb | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/object/instance_variables_test.rb b/activesupport/test/core_ext/object/instance_variables_test.rb new file mode 100644 index 0000000000..9f4c5dc4f1 --- /dev/null +++ b/activesupport/test/core_ext/object/instance_variables_test.rb @@ -0,0 +1,31 @@ +require 'abstract_unit' +require 'active_support/core_ext/object' + +class ObjectInstanceVariableTest < ActiveSupport::TestCase + def setup + @source, @dest = Object.new, Object.new + @source.instance_variable_set(:@bar, 'bar') + @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_values + assert_equal({'bar' => 'bar', 'baz' => 'baz'}, @source.instance_values) + end + + def test_instance_exec_passes_arguments_to_block + assert_equal %w(hello goodbye), 'hello'.instance_exec('goodbye') { |v| [self, v] } + end + + def test_instance_exec_with_frozen_obj + assert_equal %w(olleh goodbye), 'hello'.freeze.instance_exec('goodbye') { |v| [reverse, v] } + end + + def test_instance_exec_nested + assert_equal %w(goodbye olleh bar), 'hello'.instance_exec('goodbye') { |arg| + [arg] + instance_exec('bar') { |v| [reverse, v] } } + end +end |