akr	2008-02-08 13:27:37 +0900 (Fri, 08 Feb 2008)

  New Revision: 15401

  Modified files:
    trunk/test/ruby/test_m17n.rb

  Log:
    add a test.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/test/ruby/test_m17n.rb?r1=15401&r2=15400&diff_format=u

Index: test/ruby/test_m17n.rb
===================================================================
--- test/ruby/test_m17n.rb	(revision 15400)
+++ test/ruby/test_m17n.rb	(revision 15401)
@@ -864,6 +864,14 @@
     assert_equal(["a"], e("\xa1\xa2a\xa3\xa4").scan(/a/))
   end
 
+  def test_scan_dup
+    s1 = e("\xa4\xa2")*100
+    s2 = s1.dup.force_encoding("ascii-8bit")
+    s2.scan(/\A./n) {|f|
+      assert_equal(Encoding::ASCII_8BIT, f.encoding)
+    }
+  end
+
   def test_upto
     s1 = e("\xa1\xa2")
     s2 = s("\xa1\xa2")

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