Additional test for r34358.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34366 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
fgo · Jan 24, 2012 · ac2683c · ac2683c
1 parent b9e4806
commit ac2683c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/test/ruby/test_io_m17n.rb b/test/ruby/test_io_m17n.rb
@@ -1044,6 +1044,7 @@ def test_set_encoding_binmode
     }
     assert_nothing_raised {
       open(__FILE__, "r", binmode: true) {|f|
+        assert_equal(Encoding::ASCII_8BIT, f.external_encoding)
         f.set_encoding("iso-2022-jp")
       }
     }