| OLD | NEW |
|---|
| 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> | 4 <script> |
| 5 | 5 |
| 6 async_test(function (t) { | 6 async_test(function (t) { |
| 7 var observer = new PerformanceObserver( | 7 var observer = new PerformanceObserver( |
| 8 t.step_func(function (entryList) { | 8 t.step_func(function (entryList) { |
| 9 var entries = entryList.getEntries(); | 9 var entries = entryList.getEntries(); |
| 10 assert_equals(entries.length, 1, | 10 assert_equals(entries.length, 1, |
| 11 "Exactly one entry is expected."); | 11 "Exactly one entry is expected."); |
| 12 var longtask = entries[0]; | 12 var longtask = entries[0]; |
| 13 assert_equals(longtask.entryType, "longtask", | 13 assert_equals(longtask.entryType, "longtask"); |
| 14 "entryType expected to be: longtask"); | 14 assert_equals(longtask.name, "self"); |
| 15 assert_equals(longtask.name, "same-origin-self", | 15 assert_greater_than(longtask.duration, 50); |
| 16 "name expected to be: same-origin-self"); | |
| 17 assert_greater_than(longtask.duration, 50, | |
| 18 "duration expected to be greater than 50ms threshold"); | |
| 19 assert_equals(longtask.startTime, Math.floor(longtask.startTime), | 16 assert_equals(longtask.startTime, Math.floor(longtask.startTime), |
| 20 "startTime expected to have 1 miillisecond granularity"); | 17 "startTime expected to have 1 miillisecond granularity"); |
| 21 | 18 |
| 22 // Assert the TaskAttributionTiming entry in attribution. | 19 // Assert the TaskAttributionTiming entry in attribution. |
| 23 assert_equals(longtask.attribution.length, 1, | 20 assert_equals(longtask.attribution.length, 1, |
| 24 "Exactly one attribution entry is expected"); | 21 "Exactly one attribution entry is expected"); |
| 25 var attribution = longtask.attribution[0]; | 22 var attribution = longtask.attribution[0]; |
| 26 assert_equals(attribution.entryType, "taskattribution"); | 23 assert_equals(attribution.entryType, "taskattribution"); |
| 27 assert_equals(attribution.name, "frame"); | 24 assert_equals(attribution.name, "script"); |
| 28 assert_equals(attribution.duration, 0); | 25 assert_equals(attribution.duration, 0); |
| 29 assert_equals(attribution.startTime, 0); | 26 assert_equals(attribution.startTime, 0); |
| 30 | 27 |
| 31 observer.disconnect(); | 28 observer.disconnect(); |
| 32 t.done(); | 29 t.done(); |
| 33 }) | 30 }) |
| 34 ); | 31 ); |
| 35 observer.observe({entryTypes: ["longtask"]}); | 32 observer.observe({entryTypes: ["longtask"]}); |
| 36 | 33 |
| 37 /* Generate a slow task */ | 34 /* Generate a slow task */ |
| 38 var begin = window.performance.now(); | 35 var begin = window.performance.now(); |
| 39 while (window.performance.now() < begin + 51); | 36 while (window.performance.now() < begin + 51); |
| 40 | 37 |
| 41 }, "Performance longtask entries are observable"); | 38 }, "Performance longtask entries are observable"); |
| 42 | 39 |
| 43 </script> | 40 </script> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2636503003:
minor name updates based on spec update at: https://wicg.github.io/longtasks (Closed)
