* string.c (tr_trans): should associate new encoding if modified.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14555 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 11 deletions

diff --git a/test/ruby/test_m17n.rb b/test/ruby/test_m17n.rb
index 60c7c88d18..0026816335 100644
--- a/test/ruby/test_m17n.rb
+++ b/test/ruby/test_m17n.rb
@@ -1763,11 +1763,7 @@ class TestM17N < Test::Unit::TestCase
         next
       end
       t = s1.tr(s2, s3)
-      if s3.empty?
-        assert_equal(0, t.length, desc)
-        next
-      end
-      assert_equal(s1.length, t.length, desc)
+      assert_operator(s1.length, :>=, t.length, desc)
     }
   end
 
@@ -1799,12 +1795,7 @@ class TestM17N < Test::Unit::TestCase
       end
 
       t = nil
-      assert_nothing_raised(desc) { t = s1.tr_s(s2, s3) }
-
-      if s3.empty?
-        assert_equal(0, t.length, desc)
-        next
-      end
+      assert_nothing_raised(desc) { t = s1.tr_s(s1, s3) }
       assert_operator(s1.length, :>=, t.length, desc)
     }
   end