From 1a492ba17d2c73de395d46a5f988110b2698d434 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 15 Feb 2011 07:14:00 +0000
Subject: Add a test for the encoding of str_aset. [ruby-core:35142]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30881 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_m17n.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test/ruby/test_m17n.rb b/test/ruby/test_m17n.rb
index f6c4a19088..a29d509fc4 100644
--- a/test/ruby/test_m17n.rb
+++ b/test/ruby/test_m17n.rb
@@ -933,6 +933,10 @@ class TestM17N < Test::Unit::TestCase
   def test_aset
     s = e("\xa3\xb0\xa3\xb1\xa3\xb2\xa3\xb3\xa3\xb4")
     assert_raise(Encoding::CompatibilityError){s["\xb0\xa3"] = "foo"}
+
+    a = ua("a")
+    a[/a/] = u("")
+    assert_equal Encoding::US_ASCII, a.encoding
   end
 
   def test_str_center
-- 
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