1 files changed, 11 insertions, 1 deletions
diff --git a/actionpack/test/controller/request/test_request_test.rb b/actionpack/test/controller/request/test_request_test.rb
index fa049fbc9f..b67ae72c0a 100644
--- a/actionpack/test/controller/request/test_request_test.rb
+++ b/actionpack/test/controller/request/test_request_test.rb
@@ -8,7 +8,17 @@ class ActionController::TestRequestTest < ActionController::TestCase
 
   def test_mutating_session_options_does_not_affect_default_options
     @request.session_options[:myparam] = 123
-    assert_equal nil, ActionController::TestSession::DEFAULT_OPTIONS[:myparam]
+    assert_nil ActionController::TestSession::DEFAULT_OPTIONS[:myparam]
+  end
+
+  def test_content_length_has_bytes_count_value
+    non_ascii_parameters = { data: { content: "Latin + Кириллица" } }
+    @request.set_header "REQUEST_METHOD", "POST"
+    @request.set_header "CONTENT_TYPE", "application/json"
+    @request.assign_parameters(@routes, "test", "create", non_ascii_parameters,
+                               "/test", [:data, :controller, :action])
+    assert_equal(StringIO.new(non_ascii_parameters.to_json).length.to_s,
+                 @request.get_header("CONTENT_LENGTH"))
   end
 
   ActionDispatch::Session::AbstractStore::DEFAULT_OPTIONS.each_key do |option|