1 files changed, 15 insertions, 0 deletions
diff --git a/actionpack/test/controller/rack_test.rb b/actionpack/test/controller/rack_test.rb
index e458ab6738..36ca205d8e 100644
--- a/actionpack/test/controller/rack_test.rb
+++ b/actionpack/test/controller/rack_test.rb
@@ -228,6 +228,21 @@ class RackResponseTest < BaseRackTest
     assert_equal ["Hello, World!"], parts
   end
 
+  def test_utf8_output
+    @response.body = [1090, 1077, 1089, 1090].pack("U*")
+    @response.prepare!
+
+    status, headers, body = @response.to_a
+    assert_equal 200, status
+    assert_equal({
+      "Content-Type" => "text/html; charset=utf-8",
+      "Cache-Control" => "private, max-age=0, must-revalidate",
+      "ETag" => '"ebb5e89e8a94e9dd22abf5d915d112b2"',
+      "Set-Cookie" => [],
+      "Content-Length" => "8"
+    }, headers)
+  end
+
   def test_streaming_block
     @response.body = Proc.new do |response, output|
       5.times { |n| output.write(n) }