From 117438ee7bb5fc99423cec201f804da540e340b8 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 10 Dec 2014 12:09:49 +0000
Subject: string.c: term fill

* string.c (rb_str_sub_bang): fill wchar terminator.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48763 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/-ext-/string/test_cstr.rb | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'test/-ext-')

diff --git a/test/-ext-/string/test_cstr.rb b/test/-ext-/string/test_cstr.rb
index a7cb0ebe9c..4535921836 100644
--- a/test/-ext-/string/test_cstr.rb
+++ b/test/-ext-/string/test_cstr.rb
@@ -60,6 +60,10 @@ class Test_StringCStr < Test::Unit::TestCase
     assert_wchars_term_char("a"*30) {|s| s[29,1] = ""}
   end
 
+  def test_wchar_sub!
+    assert_wchars_term_char("foobar") {|s| s.sub!(/#{"foo".encode(s.encoding)}/, "")}
+  end
+
   def assert_wchars_term_char(str)
     result = {}
     WCHARS.map do |enc|
-- 
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