From 42bf89945890b04ee11e5128d2db34cb3dd0b5a4 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 20 Jul 2013 09:10:12 +0000
Subject: * string.c (rb_str_succ): add missing case NEIGHBOR_WRAPPED.   r42078
 caused buggy behavior like "\xFF".b -> "\x01\xFF".b

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42082 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_m17n_comb.rb | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'test/ruby/test_m17n_comb.rb')

diff --git a/test/ruby/test_m17n_comb.rb b/test/ruby/test_m17n_comb.rb
index 47a1f411c6..8069885793 100644
--- a/test/ruby/test_m17n_comb.rb
+++ b/test/ruby/test_m17n_comb.rb
@@ -1340,6 +1340,11 @@ class TestM17NComb < Test::Unit::TestCase
     end
   end
 
+  def test_str_succ2
+    assert_equal("\x01\x00".force_encoding("US-ASCII"), "\x7f".force_encoding("US-ASCII").succ)
+    assert_equal("\x01\x00".b, "\xff".b.succ)
+  end
+
   def test_str_hash
     combination(STRINGS, STRINGS) {|s1, s2|
       if s1.eql?(s2)
-- 
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