| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/dispatcher/dispatcher.js"></script> |
| <script src="/common/utils.js"></script> |
| <script src="../resources/utils.js"></script> |
| <script src="resources/utils.sub.js"></script> |
| |
| <meta name="variant" content="?default"> |
| <meta name="variant" content="?prefetch=true"> |
| |
| <script> |
| setup(() => assertSpeculationRulesIsSupported()); |
| |
| const searchParams = new URLSearchParams(location.search); |
| const prefetchEnabled = searchParams.has('prefetch'); |
| |
| promise_test(async t => { |
| const agent = await spawnWindow(t); |
| // Some meaningless query param to avoid cached response. |
| const prefetchUrl = agent.getExecutorURL({ a: "b" }); |
| |
| if (prefetchEnabled) |
| await agent.forceSinglePrefetch(prefetchUrl); |
| |
| await agent.navigate(prefetchUrl); |
| |
| if (prefetchEnabled) { |
| assert_prefetched(await agent.getRequestHeaders(), |
| `Prefetch ${prefetchUrl.href} should work.`); |
| } else { |
| assert_not_prefetched(await agent.getRequestHeaders(), |
| `${prefetchUrl.href} should not be prefetched.`); |
| } |
| |
| const entries = await agent.execute_script( |
| () => performance.getEntriesByType('navigation')); |
| assert_equals(entries.length, 1, 'Wrong number of navigation entries'); |
| const entry = entries[0]; |
| |
| // Events timeline: |
| // ... -> connectEnd --> requestStart --> responseStart --> ... |
| if (prefetchEnabled) { |
| assert_equals(entry.connectEnd, entry.requestStart); |
| assert_equals(entry.requestStart, entry.responseStart); |
| } else { |
| assert_less_than_equal(entry.connectEnd, entry.requestStart); |
| assert_less_than_equal(entry.requestStart, entry.responseStart); |
| } |
| |
| }, "PerformanceNavigationTiming.requestStart/responseStart test, same origin prefetch."); |
| </script> |
