* test/ruby/test_exception.rb (TestException#test_output_string_encoding): test

  for r48637.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48639 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 12 insertions, 0 deletions

diff --git a/test/ruby/test_exception.rb b/test/ruby/test_exception.rb
index 7ce57cce8d..f5e1179af7 100644
--- a/test/ruby/test_exception.rb
+++ b/test/ruby/test_exception.rb
@@ -673,4 +673,16 @@ end.join
     assert_equal(:foo, e.name)
     assert_equal([1, 2], e.args)
   end
+
+  def test_output_string_encoding
+    # "\x82\xa0" in cp932 is "\u3042" (Japanese hiragana 'a')
+    # change $stderr to force calling rb_io_write() instead of fwrite()
+    assert_in_out_err(["-Eutf-8:cp932"], '$stderr = $stdout; raise "\x82\xa0"') do |outs, errs, status|
+      assert_equal 1, outs.size
+      assert_equal 0, errs.size
+      err = outs.first.force_encoding('utf-8')
+      assert err.valid_encoding?, 'must be valid encoding'
+      assert_match /\u3042/, err
+    end
+  end
 end