session-storage-no-leak-to-initiator-page.html (1215B)
1 <!DOCTYPE html> 2 <script src="/resources/testharness.js"></script> 3 <script src="/resources/testharnessreport.js"></script> 4 <script src="/speculation-rules/prerender/resources/utils.js"></script> 5 <script src="session-storage-utils.js"></script> 6 <script> 7 const params = new URLSearchParams(location.search); 8 const uid = params.get('uid'); 9 10 RunSessionStorageTest(async (isPrerendering, url, prerenderChannel, done) => { 11 if (!isPrerendering) { 12 startPrerendering(url); 13 14 // Wait for the message from the prerendering page. 15 assert_equals( 16 await getNextMessage(prerenderChannel), 17 'From prerendering page') 18 19 assert_equals( 20 getSessionStorageKeys(), 21 '', 22 'The session storage item set by the prerendering page must not be ' + 23 'visible in the initiator page.'); 24 25 done(); 26 } else { 27 sessionStorage.setItem('set by prerendering page', '1'); 28 29 assert_equals( 30 getSessionStorageKeys(), 31 'set by prerendering page', 32 'The session storage item must have been added by the prerendering' + 33 ' page.'); 34 // Send the message to the initiator page. 35 prerenderChannel.postMessage('From prerendering page'); 36 } 37 }, uid); 38 </script>