| <!DOCTYPE html> |
| <meta name="timeout" content="long"> |
| <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="/websockets/constants.sub.js"></script> |
| <script src="../resources/utils.js"></script> |
| <script src="resources/utils.sub.js"></script> |
| <script> |
| setup(() => assertSpeculationRulesIsSupported()); |
| |
| promise_test(async t => { |
| let agent = await spawnWindow(t, { protocol: 'https', pipe: 'header(Cache-Control, no-store)' }); |
| let previousUrl = await agent.execute_script(() => location.href); |
| await agent.execute_script(async () => { |
| window.preventBfcache = new WebSocket('wss://{{ports[wss][0]}}/echo'); |
| }); |
| |
| let nextUrl = agent.getExecutorURL({ protocol: 'https', page: 2 }); |
| await agent.navigate(nextUrl); |
| |
| await agent.forceSinglePrefetch(previousUrl); |
| await agent.execute_script(() => { |
| window.executor.suspend(() => history.go(-1)); |
| }); |
| |
| assert_equals(previousUrl, await agent.execute_script(() => location.href)); |
| assert_prefetched(await agent.getRequestHeaders(), "traversal should use prefetch"); |
| }, "prefetches can be used for traversal navigations"); |
| |
| promise_test(async t => { |
| let agent = await spawnWindow(t, { protocol: 'https', pipe: 'header(Cache-Control, no-store)' }); |
| let previousUrl = await agent.execute_script(() => location.href); |
| await agent.execute_script(async () => { |
| window.preventBfcache = new WebSocket('wss://{{ports[wss][0]}}/echo'); |
| }); |
| |
| let nextUrl = agent.getExecutorURL({ protocol: 'https', page: 2 }); |
| await agent.navigate(nextUrl); |
| |
| await agent.forceSinglePrefetch(previousUrl); |
| // In https://html.spec.whatwg.org/multipage/nav-history-apis.html#delta-traverse, |
| // `sourceDocument` is `History`'s relevant global object's associated |
| // Document. In this case, it's `iframe.contentDocument`, and thus the |
| // prefetch from `win`'s Document (iframe's parent Document) isn't used. |
| await agent.execute_script(() => { |
| window.executor.suspend(() => { |
| const iframe = document.createElement('iframe'); |
| document.body.appendChild(iframe); |
| iframe.contentWindow.history.go(-1); |
| }); |
| }); |
| |
| assert_equals(previousUrl, await agent.execute_script(() => location.href)); |
| assert_not_prefetched(await agent.getRequestHeaders(), |
| "prefetch from different Document should not be used"); |
| }, "History's Document is used for traversal navigations"); |
| |
| promise_test(async t => { |
| let agent = await spawnWindow(t, { protocol: 'https', pipe: 'header(Cache-Control, no-store)' }); |
| let previousUrl = await agent.execute_script(() => location.href); |
| await agent.forceSinglePrefetch(previousUrl); |
| await agent.execute_script(() => { |
| window.executor.suspend(() => location.reload()); |
| }); |
| |
| assert_equals(previousUrl, await agent.execute_script(() => location.href)); |
| assert_prefetched(await agent.getRequestHeaders(), "reload should use prefetch"); |
| }, "prefetches can be used for reload navigations"); |
| </script> |
