| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Tests CORS denying preflighted request to resource without CORS headers for OPTIONS</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/get-host-info.sub.js"></script> |
| </head> |
| <body> |
| <script type="text/javascript"> |
| test(function() { |
| const xhr = new XMLHttpRequest; |
| |
| xhr.open("GET", get_host_info().HTTP_REMOTE_ORIGIN + |
| "/xhr/resources/access-control-basic-options-not-supported.py", false); |
| |
| // Non-CORS-safelisted header |
| xhr.setRequestHeader("x-test", "foobar"); |
| |
| // This fails because the server-side script is not prepared for an OPTIONS request |
| assert_throws_dom("NetworkError", () => xhr.send()); |
| assert_equals(xhr.status, 0); |
| }, "Preflighted cross-origin request denied"); |
| </script> |
| </body> |
| </html> |
