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| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <script src="/resources/testharness.js"></script> |
| 3 <script src="/resources/testharnessreport.js"></script> |
| 4 <script src="/resources/get-host-info.js?pipe=sub"></script> |
| 5 <script src="/misc/resources/run-async-tasks-promise.js"></script> |
| 6 <script> |
| 7 // Because apache decrements the Keep-Alive max value on each request, the |
| 8 // transferSize will vary slightly between requests for the same resource. |
| 9 const fuzzFactor = 3; // bytes |
| 10 |
| 11 const hostInfo = get_host_info(); |
| 12 const url = new URL('/misc/resources/cors-preflight.php', |
| 13 hostInfo['HTTP_REMOTE_ORIGIN']).href; |
| 14 |
| 15 // The header bytes are expected to be > |minHeaderSize| and |
| 16 // < |maxHeaderSize|. If they are outside this range the test will fail. |
| 17 const minHeaderSize = 100; |
| 18 const maxHeaderSize = 1024; |
| 19 |
| 20 function checkResourceSizes() { |
| 21 var lowerBound, upperBound; |
| 22 var entries = performance.getEntriesByName(url); |
| 23 assert_equals(entries.length, 3, 'Wrong number of entries'); |
| 24 // Firefox 47 puts the preflight after the request in the timeline. |
| 25 // Sort by requestStart for compatibility. |
| 26 entries.sort((a, b) => b.requestStart - a.requestStart); |
| 27 var seenCount = 0; |
| 28 for (var entry of entries) { |
| 29 switch (seenCount) { |
| 30 case 0: |
| 31 assert_greater_than(entry.transferSize, 0, |
| 32 'no preflight transferSize'); |
| 33 lowerBound = entry.transferSize - fuzzFactor; |
| 34 upperBound = entry.transferSize + fuzzFactor; |
| 35 break; |
| 36 |
| 37 case 1: |
| 38 assert_between_exclusive(entry.transferSize, minHeaderSize, |
| 39 maxHeaderSize, |
| 40 'preflight transferSize'); |
| 41 break; |
| 42 |
| 43 case 2: |
| 44 assert_between_exclusive(entry.transferSize, lowerBound, |
| 45 upperBound, |
| 46 'preflighted transferSize'); |
| 47 break; |
| 48 } |
| 49 ++seenCount; |
| 50 } |
| 51 } |
| 52 |
| 53 promise_test(() => { |
| 54 var eatBody = response => response.arrayBuffer(); |
| 55 var requirePreflight = {headers: {'X-Require-Preflight': '1'}}; |
| 56 return fetch(url) |
| 57 .then(eatBody) |
| 58 .then(() => fetch(url, requirePreflight)) |
| 59 .then(eatBody) |
| 60 .then(runAsyncTasks) |
| 61 .then(checkResourceSizes); |
| 62 }, 'PerformanceResourceTiming sizes Fetch with preflight test'); |
| 63 </script> |
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Chromium Code Reviews
Issue 2105713002:
Render process changes for ResourceTiming sizes. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@resource_timing_sizes_browser_process