From 7aa83cd0f88743443da35d202a94b64fcadf3b6c Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 9 Apr 2016 00:59:53 +0000
Subject: test_io_m17n.rb: nil default internal encoding

* test/ruby/test_io_m17n.rb (test_bom_non_utf): ensure default
  internal encoding is not set.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54520 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_io_m17n.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/ruby/test_io_m17n.rb b/test/ruby/test_io_m17n.rb
index c0c3742460..cd45329170 100644
--- a/test/ruby/test_io_m17n.rb
+++ b/test/ruby/test_io_m17n.rb
@@ -2122,8 +2122,8 @@ EOT
     assert_equal(Encoding::US_ASCII, enc)
 
     tlhInganHol = "\u{f8e4 f8d9 f8d7 f8dc f8d0 f8db} \u{f8d6 f8dd f8d9}"
-    EnvUtil.with_default_external(Encoding::UTF_8) {
-      assert_warn(/#{tlhInganHol}/) {
+    assert_warn(/#{tlhInganHol}/) {
+      EnvUtil.with_default_internal(nil) {
         open(IO::NULL, "w:bom|#{tlhInganHol}") {|f| enc = f.external_encoding}
       }
     }
-- 
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