From b8ae770a094a2036b6e2b541fa5eb14e0909a3af Mon Sep 17 00:00:00 2001 From: hsbt Date: Mon, 28 Sep 2015 01:31:17 +0000 Subject: * test/test_forwardable.rb: Write basic tests for lib/forwardable. [fix GH-1035] Patch by @kachick git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51959 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/test_forwardable.rb | 120 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 test/test_forwardable.rb (limited to 'test/test_forwardable.rb') diff --git a/test/test_forwardable.rb b/test/test_forwardable.rb new file mode 100644 index 0000000000..c04c78577b --- /dev/null +++ b/test/test_forwardable.rb @@ -0,0 +1,120 @@ +require 'test/unit' +require 'forwardable' + +class TestForwardable < Test::Unit::TestCase + RECEIVER = BasicObject.new + RETURNED1 = BasicObject.new + RETURNED2 = BasicObject.new + + class << RECEIVER + def delegated1 + RETURNED1 + end + + def delegated2 + RETURNED2 + end + end + + def test_def_instance_delegator + %i[def_delegator def_instance_delegator].each do |m| + cls = forwardable_class do + __send__ m, :@receiver, :delegated1 + end + + assert_same RETURNED1, cls.new.delegated1 + end + end + + def test_def_instance_delegators + %i[def_delegators def_instance_delegators].each do |m| + cls = forwardable_class do + __send__ m, :@receiver, :delegated1, :delegated2 + end + + assert_same RETURNED1, cls.new.delegated1 + assert_same RETURNED2, cls.new.delegated2 + end + end + + def test_instance_delegate + %i[delegate instance_delegate].each do |m| + cls = forwardable_class do + __send__ m, delegated1: :@receiver, delegated2: :@receiver + end + + assert_same RETURNED1, cls.new.delegated1 + assert_same RETURNED2, cls.new.delegated2 + + cls = forwardable_class do + __send__ m, %i[delegated1 delegated2] => :@receiver + end + + assert_same RETURNED1, cls.new.delegated1 + assert_same RETURNED2, cls.new.delegated2 + end + end + + def test_def_single_delegator + %i[def_delegator def_single_delegator].each do |m| + cls = single_forwardable_class do + __send__ m, :@receiver, :delegated1 + end + + assert_same RETURNED1, cls.delegated1 + end + end + + def test_def_single_delegators + %i[def_delegators def_single_delegators].each do |m| + cls = single_forwardable_class do + __send__ m, :@receiver, :delegated1, :delegated2 + end + + assert_same RETURNED1, cls.delegated1 + assert_same RETURNED2, cls.delegated2 + end + end + + def test_single_delegate + %i[delegate single_delegate].each do |m| + cls = single_forwardable_class do + __send__ m, delegated1: :@receiver, delegated2: :@receiver + end + + assert_same RETURNED1, cls.delegated1 + assert_same RETURNED2, cls.delegated2 + + cls = single_forwardable_class do + __send__ m, %i[delegated1 delegated2] => :@receiver + end + + assert_same RETURNED1, cls.delegated1 + assert_same RETURNED2, cls.delegated2 + end + end + + private + + def forwardable_class(&block) + Class.new do + extend Forwardable + + def initialize + @receiver = RECEIVER + end + + class_exec(&block) + end + end + + def single_forwardable_class(&block) + Class.new do + extend SingleForwardable + + @receiver = RECEIVER + + class_exec(&block) + end + end +end -- cgit v1.2.3