| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Test the sequence of events when reporting iframe timing.</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/resource-loaders.js"></script> |
| <body> |
| <script> |
| promise_test(async t => { |
| const href = new URL('resources/download.asis', location.href); |
| const iframe = document.createElement('iframe'); |
| iframe.src = href; |
| const errored = new Promise(resolve => iframe.addEventListener('error', resolve)); |
| const loaded = new Promise(resolve => iframe.addEventListener('load', resolve)); |
| document.body.appendChild(iframe); |
| const timeout = 2000; |
| t.add_cleanup(() => iframe.remove()); |
| const expired = new Promise(resolve => t.step_timeout(resolve, timeout)); |
| await Promise.any([loaded, expired, errored]); |
| const entries = performance.getEntriesByType('resource').filter(({name}) => name.startsWith(href)); |
| assert_equals(entries.length, 0); |
| }, 'Iframes should not report resource timing for non-handled mime-types (downloads)'); |
| </script> |
| </body> |