1 files changed, 7 insertions, 0 deletions
diff --git a/test/ruby/test_m17n.rb b/test/ruby/test_m17n.rb
index ef2ebd8d5..db6f3b928 100644
--- a/test/ruby/test_m17n.rb
+++ b/test/ruby/test_m17n.rb
@@ -1017,4 +1017,11 @@ class TestM17N < Test::Unit::TestCase
     assert_equal(Encoding::US_ASCII.to_s.encoding, Encoding::US_ASCII)
     assert_equal(Encoding::US_ASCII.inspect.encoding, Encoding::US_ASCII)
   end
+
+  def test_regexp_source
+    s = "\xa4\xa2".force_encoding("euc-jp")
+    r = Regexp.new(s)
+    t = r.source
+    assert_equal(s, t, "[ruby-dev:33377] Regexp.new(#{encdump s}).source")
+  end
 end