| Index: third_party/WebKit/LayoutTests/fast/performance/longtasktiming.html
|
| diff --git a/third_party/WebKit/LayoutTests/fast/performance/longtasktiming.html b/third_party/WebKit/LayoutTests/fast/performance/longtasktiming.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..baa96a040233d907a1f8505a31da07a0271fc2f1
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/fast/performance/longtasktiming.html
|
| @@ -0,0 +1,31 @@
|
| +<!DOCTYPE html>
|
| +<script src="../../resources/testharness.js"></script>
|
| +<script src="../../resources/testharnessreport.js"></script>
|
| +<script>
|
| +
|
| +async_test(function (t) {
|
| + var observer = new PerformanceObserver(
|
| + t.step_func(function (entryList) {
|
| + var entries = entryList.getEntries();
|
| + /* TODO(panicker): Update after fixing http://crbug.com/651461 */
|
| + for (var i = 0; i < entries.length; i++) {
|
| + assert_equals(entries[i].entryType, "longtask",
|
| + "entryType expected to be: longtask");
|
| + assert_equals(entries[i].name, "same-origin",
|
| + "name expected to be: same-origin");
|
| + assert_greater_than(entries[i].duration, 50000,
|
| + "duration expected to be greater than 50ms threshold");
|
| + }
|
| + observer.disconnect();
|
| + t.done();
|
| + })
|
| + );
|
| + observer.observe({entryTypes: ["longtask"]});
|
| +
|
| + /* Generate a slow task */
|
| + var begin = window.performance.now();
|
| + while (window.performance.now() < begin + 51);
|
| +
|
| +}, "Performance longtask entries are observable");
|
| +
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 2422433002:
Add a layout test for longtask timing (Closed)
