From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 03:47:29 +0200 Subject: Adding upstream version 115.8.0esr. Signed-off-by: Daniel Baumann --- .../tests/longtask-timing/long-microtask.window.js | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 testing/web-platform/tests/longtask-timing/long-microtask.window.js (limited to 'testing/web-platform/tests/longtask-timing/long-microtask.window.js') diff --git a/testing/web-platform/tests/longtask-timing/long-microtask.window.js b/testing/web-platform/tests/longtask-timing/long-microtask.window.js new file mode 100644 index 0000000000..b69a1fd9e6 --- /dev/null +++ b/testing/web-platform/tests/longtask-timing/long-microtask.window.js @@ -0,0 +1,23 @@ +// META: script=resources/utils.js + +async_test(function (t) { + assert_implements(window.PerformanceLongTaskTiming, 'Longtasks are not supported.'); + new PerformanceObserver( + t.step_func_done(entryList => { + const entries = entryList.getEntries(); + assert_equals(entries.length, 1, + 'Exactly one entry is expected.'); + const longtask = entries[0]; + checkLongTaskEntry(longtask); + t.done(); + }) + ).observe({entryTypes: ['longtask']}); + + window.onload = () => { + /* Generate a slow microtask */ + Promise.resolve().then(() => { + const begin = window.performance.now(); + while (window.performance.now() < begin + 60); + }); + }; +}, 'A short task followed by a long microtask is observable.'); -- cgit v1.2.3