40 lines
1.3 KiB
HTML
40 lines
1.3 KiB
HTML
<!DOCTYPE html>
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<title>Test Prerender pages maintain their own Client Hint Caches</title>
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<meta name="timeout" content="long">
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<script src="/common/utils.js"></script>
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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="/client-hints/resources/open-and-add-load-event.js"></script>
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<script src="../resources/utils.js"></script>
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<script src="resources/utils.js"></script>
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<body>
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<script>
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setup(() => assertSpeculationRulesIsSupported());
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promise_test(
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async t => {
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const uid = token();
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const initialization_bc = new PrerenderChannel(`test-channel`, uid);
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t.add_cleanup(_ => initialization_bc.close());
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const gotMessage = new Promise(resolve => {
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initialization_bc.addEventListener('message', e => {
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resolve(e.data);
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}, {once: true});
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});
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// Initialization. For the active pages, it has the client hint cache of
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// "sec-ch-ua-bitness".
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await open_and_add_load_event('resources/accept-ch.html');
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window.open(
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`resources/echo-client-hints-received.py?uid=${uid}`, '_blank',
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'noopener');
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const result = await gotMessage;
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assert_equals(result.result, 'PASSED', result.reason);
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},
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'Prerender page should maintain their own client hints cache and do not propagate it to' +
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'the global cache until activation');
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</script>
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