| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Tests async XHR preflight denial due to lack of CORS headers</title> |
| <!--The original test addressed a more specific issue involving caching, |
| but that issue has since been resolved. |
| We maintain this test as a basic test of invalid preflight denial. |
| Please refer to the comment in the following link for more information: |
| https://chromium-review.googlesource.com/c/chromium/src/+/630338#message-0280542b95c9b0f82b121dc373320c04fcaece31 |
| --> |
| <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"> |
| async_test((test) => { |
| const xhr = new XMLHttpRequest; |
| xhr.onerror = test.step_func_done(() => { |
| assert_equals(xhr.status, 0); |
| }); |
| |
| xhr.onload = test.unreached_func("Request succeeded unexpectedly"); |
| |
| xhr.open("FOO", get_host_info().HTTP_REMOTE_ORIGIN + |
| "/xhr/resources/access-control-basic-denied.py"); |
| xhr.send(); |
| }); |
| </script> |
| </body> |
| </html> |
