hsbt	2015-09-28 10:31:17 +0900 (Mon, 28 Sep 2015)

  New Revision: 51959

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=51959

  Log:
    * test/test_forwardable.rb: Write basic tests for lib/forwardable.
      [fix GH-1035] Patch by @kachick

  Added files:
    trunk/test/test_forwardable.rb
  Modified files:
    trunk/ChangeLog
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 51958)
+++ ChangeLog	(revision 51959)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Mon Sep 28 10:31:12 2015  SHIBATA Hiroshi  <hsbt@r...>
+
+	* test/test_forwardable.rb: Write basic tests for lib/forwardable.
+	  [fix GH-1035] Patch by @kachick
+
 Sun Sep 27 23:32:46 2015  Nobuyoshi Nakada  <nobu@r...>
 
 	* class.c (rb_define_class, rb_define_class_id_under): refine
Index: test/test_forwardable.rb
===================================================================
--- test/test_forwardable.rb	(revision 0)
+++ test/test_forwardable.rb	(revision 51959)
@@ -0,0 +1,120 @@ https://github.com/ruby/ruby/blob/trunk/test/test_forwardable.rb#L1
+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

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