From 7a5b56677a075677439fbfc61025ddf93ca708f8 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 27 Apr 2016 06:47:56 +0000
Subject: stringio.c: warn block for new

* ext/stringio/stringio.c (strio_s_new): warn if a block is given,
  as well as IO.new.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54792 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/stringio/test_stringio.rb | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'test')

diff --git a/test/stringio/test_stringio.rb b/test/stringio/test_stringio.rb
index e443fa6c26..bf3a9eeb1b 100644
--- a/test/stringio/test_stringio.rb
+++ b/test/stringio/test_stringio.rb
@@ -674,4 +674,10 @@ class TestStringIO < Test::Unit::TestCase
     bug_11945 = '[ruby-core:72699] [Bug #11945]'
     assert_equal Encoding::ASCII_8BIT, s.external_encoding, bug_11945
   end
+
+  def test_new_block_warning
+    assert_warn(/does not take block/) do
+      StringIO.new {}
+    end
+  end
 end
-- 
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