From 0a8f047a983deaf853e8ddc9f70da78f3a83f9ef Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 12 Oct 2010 06:18:11 +0000
Subject: * io.c (rb_io_putc): support multibyte characters.  
 [ruby-core:30697]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29447 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_io_m17n.rb | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'test')

diff --git a/test/ruby/test_io_m17n.rb b/test/ruby/test_io_m17n.rb
index 3d3b64c6cc..5f35c227ea 100644
--- a/test/ruby/test_io_m17n.rb
+++ b/test/ruby/test_io_m17n.rb
@@ -1026,6 +1026,16 @@ EOT
     }
   end
 
+  def test_open_pipe_r_enc2
+    open("|#{EnvUtil.rubybin} -e 'putc ?\u3042'", "r:UTF-8") {|f|
+      assert_equal(Encoding::UTF_8, f.external_encoding)
+      assert_equal(nil, f.internal_encoding)
+      s = f.read
+      assert_equal(Encoding::UTF_8, s.encoding)
+      assert_equal("\u3042", s)
+    }
+  end
+
   def test_s_foreach_enc
     with_tmpdir {
       generate_file("t", "\xff")
-- 
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