1 files changed, 6 insertions, 0 deletions
diff --git a/actionpack/test/dispatch/mime_type_test.rb b/actionpack/test/dispatch/mime_type_test.rb
index 0372c42920..e3f9faaa64 100644
--- a/actionpack/test/dispatch/mime_type_test.rb
+++ b/actionpack/test/dispatch/mime_type_test.rb
@@ -75,6 +75,12 @@ class MimeTypeTest < ActiveSupport::TestCase
     assert_equal expect, Mime::Type.parse(accept)
   end
 
+  test "parse arbitarry media type parameters" do
+    accept = 'multipart/form-data; boundary="simple boundary"'
+    expect = [Mime::MULTIPART_FORM]
+    assert_equal expect, Mime::Type.parse(accept)
+  end
+
   # Accept header send with user HTTP_USER_AGENT: Sunrise/0.42j (Windows XP)
   test "parse broken acceptlines" do
     accept = "text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/*,,*/*;q=0.5"