session-storage-isolated-while-prerendering.html (1492B)
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 // Wait for the message from the prerendering page. 14 assert_equals( 15 await getNextMessage(prerenderChannel), 16 'From prerendering page 1') 17 18 // Add an item to the session storage. 19 sessionStorage.setItem('set by initiator page', '1'); 20 21 // Send the message to the prerendering page. 22 prerenderChannel.postMessage('From initiator page'); 23 24 } else { 25 sessionStorage.setItem('set by prerendering page', '1'); 26 27 // Send the message to the initiator page. 28 prerenderChannel.postMessage('From prerendering page 1'); 29 30 // Wait for the message from the initiator page. 31 assert_equals( 32 await getNextMessage(prerenderChannel), 33 'From initiator page'); 34 35 assert_equals( 36 getSessionStorageKeys(), 37 'set by prerendering page', 38 'The session storage item added by the initiator page after the ' + 39 'prerendering page accessed the session storage must not be visible ' + 40 'in the prerendering page.'); 41 done(); 42 } 43 }, uid); 44 </script>