From b4657182da44febeccd5f22af636bceda776122f Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Tue, 13 May 2014 09:13:33 +0900
Subject: convert &arg using to_proc; fix #2242

---
 test/t/proc.rb | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'test')

diff --git a/test/t/proc.rb b/test/t/proc.rb
index 33c3a0ef2..e871e637e 100644
--- a/test/t/proc.rb
+++ b/test/t/proc.rb
@@ -131,3 +131,20 @@ assert('Proc#return_does_not_break_self') do
   assert_equal nil, c.return_nil
   assert_equal c, c.block.call
 end
+
+assert('&obj call to_proc if defined') do
+  pr = Proc.new{}
+  def mock(&b)
+    b
+  end
+  assert_equal pr.object_id, mock(&pr).object_id
+  assert_equal pr, mock(&pr)
+
+  obj = Object.new
+  def obj.to_proc
+    Proc.new{ :from_to_proc }
+  end
+  assert_equal :from_to_proc, mock(&obj).call
+
+  assert_raise(TypeError){ mock(&(Object.new)) }
+end
-- 
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