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