From a2d21de1c89e54fbda51883069fe2ecbbcc8f5db Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 2 Oct 2013 07:48:19 +0000
Subject: test_io.rb: add test

* test/ruby/test_io.rb (tesst_pid_after_close_read): test for r43117.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43118 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_io.rb | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index 437e7ae5b5..c95b25d5ef 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -1409,6 +1409,17 @@ class TestIO < Test::Unit::TestCase
     assert_raise(IOError) { pipe.pid }
   end
 
+  def tesst_pid_after_close_read
+    pid1 = pid2 = nil
+    IO.popen(["echo", ""], "r+") do |io|
+      pid1 = io.pid
+      io.close_read
+      pid2 = io.pid
+    end
+    assert_not_nil(pid1)
+    assert_equal(pid1, pid2)
+  end
+
   def make_tempfile
     t = Tempfile.new("test_io")
     t.binmode
-- 
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