akr	2008-01-20 11:06:50 +0900 (Sun, 20 Jan 2008)

  New Revision: 15139

  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=15139&r2=15138&diff_format=u

Index: test/ruby/test_m17n.rb
===================================================================
--- test/ruby/test_m17n.rb	(revision 15138)
+++ test/ruby/test_m17n.rb	(revision 15139)
@@ -297,6 +297,10 @@
   end
 
   def test_utf16
+    s1 = "aa".force_encoding("utf-16be")
+    s2 = "z".force_encoding("us-ascii")
+    assert_nil(Encoding.compatible?(s1, s2), "Encoding.compatible?(#{encdump s1}, #{encdump s2})")
+
     s1 = "ab".force_encoding("utf-16be")
     s2 = "b".force_encoding("utf-16be")
     assert_equal(false, s1.end_with?(s2), "#{encdump s1}.end_with?(#{encdump s2})")

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