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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/slow.js"></script> | 4 <script src="resources/slow.js"></script> |
5 <script> | 5 <script> |
6 | 6 |
7 async_test(function (t) { | 7 async_test(function (t) { |
8 var observer = new PerformanceObserver( | 8 var observer = new PerformanceObserver( |
9 t.step_func(function (entryList) { | 9 t.step_func(function (entryList) { |
10 var entries = entryList.getEntries(); | 10 var entries = entryList.getEntries(); |
11 assert_equals(entries.length, 1, | 11 assert_equals(entries.length, 1, |
12 "Exactly one entry is expected."); | 12 "Exactly one entry is expected."); |
13 var longtask = entries[0]; | 13 var longtask = entries[0]; |
14 assert_equals(longtask.entryType, "longtask", | 14 assert_equals(longtask.entryType, "longtask"); |
15 "entryType expected to be: longtask"); | 15 assert_equals(longtask.name, "self"); |
16 assert_equals(longtask.name, "same-origin-self", | 16 assert_greater_than(longtask.duration, 50); |
17 "name expected to be: same-origin-self"); | |
18 assert_greater_than(longtask.duration, 50, | |
19 "duration expected to be greater than 50ms threshold"); | |
20 assert_equals(longtask.startTime, Math.floor(longtask.startTime), | 17 assert_equals(longtask.startTime, Math.floor(longtask.startTime), |
21 "startTime expected to have 1 miillisecond granularity"); | 18 "startTime expected to have 1 miillisecond granularity"); |
22 | 19 |
23 // Assert the TaskAttributionTiming entry in attribution. | 20 // Assert the TaskAttributionTiming entry in attribution. |
24 assert_equals(longtask.attribution.length, 1, | 21 assert_equals(longtask.attribution.length, 1, |
25 "Exactly one attribution entry is expected"); | 22 "Exactly one attribution entry is expected"); |
26 var attribution = longtask.attribution[0]; | 23 var attribution = longtask.attribution[0]; |
27 assert_equals(attribution.entryType, "taskattribution"); | 24 assert_equals(attribution.entryType, "taskattribution"); |
28 assert_equals(attribution.name, "frame"); | 25 assert_equals(attribution.name, "script"); |
29 assert_equals(attribution.duration, 0); | 26 assert_equals(attribution.duration, 0); |
30 assert_equals(attribution.startTime, 0); | 27 assert_equals(attribution.startTime, 0); |
31 | 28 |
32 observer.disconnect(); | 29 observer.disconnect(); |
33 t.done(); | 30 t.done(); |
34 }) | 31 }) |
35 ); | 32 ); |
36 observer.observe({entryTypes: ["longtask"]}); | 33 observer.observe({entryTypes: ["longtask"]}); |
37 | 34 |
38 }, "Performance longtask entries are observable"); | 35 }, "Performance longtask entries are observable"); |
39 | 36 |
40 </script> | 37 </script> |
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