1 files changed, 10 insertions, 0 deletions
diff --git a/test/ruby/test_process.rb b/test/ruby/test_process.rb
index ccd5676171..608d663027 100644
--- a/test/ruby/test_process.rb
+++ b/test/ruby/test_process.rb
@@ -613,6 +613,16 @@ class TestProcess < Test::Unit::TestCase
     }
   end
 
+  def test_execopts_redirect_nonascii_path
+    bug9946 = '[ruby-core:63185] [Bug #9946]'
+    with_tmpchdir {|d|
+      path = "t-\u{30c6 30b9 30c8 f6}.txt"
+      system(*ECHO["a"], out: path)
+      assert_file.for(bug9946).exist?(path)
+      assert_equal("a\n", File.read(path), bug9946)
+    }
+  end
+
   def test_execopts_redirect_to_out_and_err
     with_tmpchdir {|d|
       ret = system(RUBY, "-e", 'STDERR.print "e"; STDOUT.print "o"', [:out, :err] => "foo")