sxg-navigation-timing.tentative.html (1213B)
1 <!DOCTYPE html> 2 <title>Navigation timing of SignedHTTPExchange</title> 3 <script src="/resources/testharness.js"></script> 4 <script src="/resources/testharnessreport.js"></script> 5 <script src="/common/get-host-info.sub.js"></script> 6 <script src="./resources/sxg-util.js"></script> 7 <body> 8 <script> 9 promise_test(async (t) => { 10 const sxgUrl = get_host_info().HTTPS_ORIGIN + '/signed-exchange/resources/sxg/sxg-navigation-timing.sxg'; 11 const message = await openSXGInIframeAndWaitForMessage(t, sxgUrl); 12 assert_false(message.is_fallback); 13 14 let timing = JSON.parse(message.timing); 15 let originalContent = await fetch('resources/sxg-navigation-timing.html').then(resp => resp.arrayBuffer()); 16 17 assert_equals(timing.decodedBodySize, originalContent.byteLength); 18 assert_equals(timing.encodedBodySize, computeMiceLength(originalContent.byteLength, 100)); 19 // TODO(https://crbug.com/928589): Test other fields too. 20 }, 'Navigation timing of SignedHTTPExchange'); 21 22 // Returns content length after MI encode. 23 function computeMiceLength(len, recordSize) { 24 const recordSizeLen = 8; 25 const sha256DigestLength = 32; 26 return recordSizeLen + len + Math.floor(len / recordSize) * sha256DigestLength; 27 } 28 29 </script> 30 </body>