| <!doctype html> |
| <body> |
| <script> |
| var current_url = window.location.href; |
| var fetch_url = current_url.substring(0, current_url.lastIndexOf("/")) + '/empty.html' |
| |
| navigator.serviceWorker.addEventListener('message', e => { |
| if (e.data.fetchUrl == fetch_url) { |
| if (e.data.topicsHeader === 'null') { |
| window.opener.postMessage( |
| {testResult: 'Service worker intercepted no topics header'}, '*'); |
| } else { |
| window.opener.postMessage( |
| {testResult: 'Service worker intercepted topics header'}, '*'); |
| } |
| } |
| }); |
| |
| fetch(fetch_url, {browsingTopics: true}); |
| </script> |
| </body> |
