utils.js (895B)
1 function checkLongTaskEntry(longtask, name = 'self') { 2 assert_equals(longtask.entryType, 'longtask', 'The entryType should be longtask'); 3 assert_equals(longtask.name, name, 'Name should be ' + name + '.'); 4 assert_true(Number.isInteger(longtask.duration, 'The duration should be an integer.')); 5 assert_greater_than_equal(longtask.duration, 50, 'The Duration should be greater than or equal to 50.'); 6 assert_greater_than_equal(longtask.startTime, 0, 'The startTime should be greater than or equal to 0.'); 7 const currentTime = performance.now(); 8 assert_less_than_equal(longtask.startTime, currentTime, 'The startTime should be less than or equal to current time.'); 9 } 10 11 function hasUnrelatedTaskName(taskName, expectedTaskName) { 12 return (taskName !== expectedTaskName); 13 } 14 15 function busyWait() { 16 const deadline = performance.now() + 100; 17 while (performance.now() < deadline) {} 18 }