1 files changed, 6 insertions, 0 deletions
diff --git a/actionpack/test/dispatch/debug_exceptions_test.rb b/actionpack/test/dispatch/debug_exceptions_test.rb
index 11c292d61a..6ff651ad52 100644
--- a/actionpack/test/dispatch/debug_exceptions_test.rb
+++ b/actionpack/test/dispatch/debug_exceptions_test.rb
@@ -35,6 +35,8 @@ class DebugExceptionsTest < ActionDispatch::IntegrationTest
         raise ActionController::InvalidAuthenticityToken
       when "/not_found_original_exception"
         raise ActionView::Template::Error.new('template', AbstractController::ActionNotFound.new)
+      when "/bad_request"
+        raise ActionController::BadRequest
       else
         raise "puke!"
       end
@@ -88,6 +90,10 @@ class DebugExceptionsTest < ActionDispatch::IntegrationTest
     get "/method_not_allowed", {}, {'action_dispatch.show_exceptions' => true}
     assert_response 405
     assert_match(/ActionController::MethodNotAllowed/, body)
+
+    get "/bad_request", {}, {'action_dispatch.show_exceptions' => true}
+    assert_response 400
+    assert_match(/ActionController::BadRequest/, body)
   end
 
   test "does not show filtered parameters" do