| spanicker | a5b95cb | 2017-03-10 22:42:55 | [diff] [blame] | 1 | <!DOCTYPE HTML> |
| 2 | <meta charset=utf-8> |
| 3 | <title>LongTask Timing: long task in nested child iframe</title> |
| 4 | <body> |
| 5 | |
| 6 | <script src="/resources/testharness.js"></script> |
| 7 | <script src="/resources/testharnessreport.js"></script> |
| 8 | |
| 9 | <h1>Long Task in Nested Child Iframe</h1> |
| 10 | <div id="log"></div> |
| 11 | <script> |
| npm@chromium.org | 71ff888 | 2017-08-15 17:22:01 | [diff] [blame] | 12 | const initialTime = performance.now(); |
| spanicker | a5b95cb | 2017-03-10 22:42:55 | [diff] [blame] | 13 | async_test(function (t) { |
| Nicolas Pena | cd75119 | 2018-07-10 21:05:27 | [diff] [blame^] | 14 | if (typeof PerformanceLongTaskTiming === 'undefined') { |
| 15 | assert_unreached("Longtasks are not supported."); |
| 16 | t.done(); |
| 17 | } |
| npm@chromium.org | 71ff888 | 2017-08-15 17:22:01 | [diff] [blame] | 18 | const observer = new PerformanceObserver( |
| spanicker | a5b95cb | 2017-03-10 22:42:55 | [diff] [blame] | 19 | t.step_func(function (entryList) { |
| npm@chromium.org | 71ff888 | 2017-08-15 17:22:01 | [diff] [blame] | 20 | const entries = entryList.getEntries(); |
| spanicker | a5b95cb | 2017-03-10 22:42:55 | [diff] [blame] | 21 | assert_equals(entries.length, 1, |
| npm@chromium.org | 71ff888 | 2017-08-15 17:22:01 | [diff] [blame] | 22 | 'Exactly one entry is expected.'); |
| 23 | const longtask = entries[0]; |
| 24 | assert_equals(longtask.entryType, 'longtask'); |
| 25 | if (longtask.name == 'self' || |
| 26 | longtask.name == 'multiple-contexts' || |
| 27 | longtask.name == 'unknown') |
| 28 | return; |
| 29 | |
| 30 | assert_equals(longtask.name, 'same-origin-descendant'); |
| spanicker | a5b95cb | 2017-03-10 22:42:55 | [diff] [blame] | 31 | assert_greater_than(longtask.duration, 50); |
| npm@chromium.org | 71ff888 | 2017-08-15 17:22:01 | [diff] [blame] | 32 | assert_greater_than_equal(longtask.startTime, initialTime); |
| 33 | const currentTime = performance.now(); |
| 34 | assert_less_than_equal(longtask.startTime, currentTime); |
| spanicker | a5b95cb | 2017-03-10 22:42:55 | [diff] [blame] | 35 | |
| 36 | // Assert the TaskAttributionTiming entry in attribution. |
| 37 | assert_equals(longtask.attribution.length, 1, |
| npm@chromium.org | 71ff888 | 2017-08-15 17:22:01 | [diff] [blame] | 38 | 'Exactly one attribution entry is expected'); |
| 39 | const attribution = longtask.attribution[0]; |
| 40 | assert_equals(attribution.entryType, 'taskattribution'); |
| 41 | assert_equals(attribution.name, 'script'); |
| spanicker | a5b95cb | 2017-03-10 22:42:55 | [diff] [blame] | 42 | assert_equals(attribution.duration, 0); |
| 43 | assert_equals(attribution.startTime, 0); |
| npm@chromium.org | 71ff888 | 2017-08-15 17:22:01 | [diff] [blame] | 44 | assert_equals(attribution.containerId, 'child-iframe-id'); |
| 45 | assert_equals(attribution.containerName, 'child-iframe-name'); |
| 46 | assert_equals(attribution.containerSrc, 'resources/subframe-with-longtask.html'); |
| spanicker | a5b95cb | 2017-03-10 22:42:55 | [diff] [blame] | 47 | observer.disconnect(); |
| 48 | t.done(); |
| 49 | }) |
| 50 | ); |
| npm@chromium.org | 71ff888 | 2017-08-15 17:22:01 | [diff] [blame] | 51 | observer.observe({entryTypes: ['longtask']}); |
| 52 | const iframe = document.createElement('iframe'); |
| 53 | iframe.id = 'child-iframe-id'; |
| 54 | iframe.name = 'child-iframe-name'; |
| 55 | document.body.appendChild(iframe); |
| 56 | iframe.src = 'resources/subframe-with-longtask.html'; |
| 57 | }, 'Performance longtask entries in child iframe are observable in parent.'); |
| spanicker | a5b95cb | 2017-03-10 22:42:55 | [diff] [blame] | 58 | </script> |
| 59 | |
| npm@chromium.org | 71ff888 | 2017-08-15 17:22:01 | [diff] [blame] | 60 | </body> |
