From dd7cf02eab10e8feb7cb4324265d6ecd81a759df Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 21 Aug 2008 17:09:56 +0000
Subject: * io.c (rb_io_initialize): accept hash argument.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18756 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_io_m17n.rb | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'test')

diff --git a/test/ruby/test_io_m17n.rb b/test/ruby/test_io_m17n.rb
index 46b7954a91..d39e03075f 100644
--- a/test/ruby/test_io_m17n.rb
+++ b/test/ruby/test_io_m17n.rb
@@ -206,6 +206,19 @@ EOT
     }
   end
 
+  def test_io_new_enc
+    with_tmpdir {
+      generate_file("tmp", "\xa1")
+      fd = IO.sysopen("tmp")
+      f = IO.new(fd, "r:sjis")
+      begin
+        assert_equal(Encoding::Shift_JIS, f.read.encoding)
+      ensure
+        f.close
+      end
+    }
+  end
+
   def test_stdin
     assert_equal(Encoding.default_external, STDIN.external_encoding)
     assert_equal(nil, STDIN.internal_encoding)
-- 
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