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1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
2 <script src="/resources/testharness.js"></script> | 2 <script src="/resources/testharness.js"></script> |
3 <script src="/resources/testharnessreport.js"></script> | 3 <script src="/resources/testharnessreport.js"></script> |
4 <script src="/resources/get-host-info.js?pipe=sub"></script> | 4 <script src="/resources/get-host-info.js?pipe=sub"></script> |
5 <script src="/misc/resources/run-async-tasks-promise.js"></script> | 5 <script src="/misc/resources/run-async-tasks-promise.js"></script> |
6 <script> | 6 <script src="/misc/resources/resource-timing-sizes-cors-preflight.js"></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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