From d6ed84edcd9d9e6f56aafe604f750781f0d62be7 Mon Sep 17 00:00:00 2001
From: glass <glass@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 22 Jun 2017 06:50:32 +0000
Subject: Allow IO#reopen to take a block

* io.c (rb_io_reopen): take a block and ensure the IO closed
  [Feature #2631]

* test/ruby/test_io.rb: add a test

* NEWS: add an entry for this change

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59142 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_io.rb | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'test')

diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index 791e52b500..186c148159 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -2156,6 +2156,22 @@ class TestIO < Test::Unit::TestCase
     }
   end
 
+  def test_reopen_with_block
+    make_tempfile {|t|
+      open(__FILE__) do |f|
+        f.gets
+        assert_nothing_raised {
+          reopened = nil
+          f.reopen(t.path) do |_reopened|
+            reopened = _reopened
+            assert_equal("foo\n", reopened.gets)
+          end
+          assert_equal(true, reopened.closed?)
+        }
+      end
+    }
+  end
+
   def test_reopen_inherit
     mkcdtmpdir {
       system(EnvUtil.rubybin, '-e', <<"End")
-- 
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