| <!DOCTYPE HTML> |
| <html> |
| <head> |
| <meta charset="utf-8" /> |
| <title>This test validates the values in resource timing for cross-origin |
| redirects.</title> |
| <link rel="author" title="Noam Rosenthal" href="noam@webkit.org"> |
| <link rel="help" href="https://www.w3.org/TR/resource-timing-2/#sec-performanceresourcetiming"/> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/get-host-info.sub.js"></script> |
| <script src="resources/resource-loaders.js"></script> |
| <script src="resources/entry-invariants.js"></script> |
| </head> |
| <body> |
| <script> |
| const {REMOTE_ORIGIN} = get_host_info(); |
| const delay = 2 |
| const not_found_page = encodeURIComponent("/resource-timing/resources/status-code.py?status=404"); |
| const load_null_object = async path => { |
| return load.object(path, null); |
| } |
| const destUrl = `/common/slow-redirect.py?delay=${delay}&location=${REMOTE_ORIGIN}/${not_found_page}`; |
| |
| const timeBefore = performance.now() |
| attribute_test(load_null_object, destUrl, entry => { |
| assert_equals(entry.startTime, entry.fetchStart, 'startTime and fetchStart should be equal'); |
| assert_greater_than(entry.startTime, timeBefore, 'startTime and fetchStart should be greater than the time before fetching'); |
| // See https://github.com/w3c/resource-timing/issues/264 |
| assert_less_than(Math.round(entry.startTime - timeBefore), delay * 1000, 'startTime should not expose redirect delays'); |
| }, "Verify that cross-origin object resources don't implicitly expose their redirect timings") |
| |
| </script> |
| </body> |
| </html> |
