From efbfd9027282e6f82f41edd32a1732d4a07e90a3 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 30 Mar 2015 02:28:02 +0000
Subject: io.c: use read/write methods if possible

* io.c (copy_stream_body): use the arguments without conversion if
  having read, readpartial, and write methods, than conversion by
  to_path method.  [ruby-core:68676] [Bug #11015]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50118 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_io.rb | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'test')

diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index 81b99d55d1..c37d14c47f 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -873,6 +873,21 @@ class TestIO < Test::Unit::TestCase
     }
   end
 
+  def test_copy_stream_strio_to_tempfile
+    bug11015 = '[ruby-core:68676] [Bug #11015]'
+    # StringIO to Tempfile
+    src = StringIO.new("abcd")
+    dst = Tempfile.new("baz")
+    ret = IO.copy_stream(src, dst)
+    assert_equal(4, ret)
+    pos = dst.pos
+    dst.rewind
+    assert_equal("abcd", dst.read)
+    assert_equal(4, pos, bug11015)
+  ensure
+    dst.close!
+  end
+
   def test_copy_stream_write_in_binmode
     bug8767 = '[ruby-core:56518] [Bug #8767]'
     mkcdtmpdir {
-- 
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