<!DOCTYPE html> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script type="text/javascript"> 'use strict'; for (let eventType of ["GamepadEvent"]) { test(function() { let before = performance.now(); let e = new window[eventType]('test'); let after = performance.now(); assert_greater_than_equal(e.timeStamp, before, "Event timestamp should be greater than performance.now() timestamp taken before its creation"); assert_less_than_equal(e.timeStamp, after, "Event timestamp should be less than performance.now() timestamp taken after its creation"); }, `Constructed ${eventType} timestamp should be high resolution and have the same time origin as performance.now()`); } </script>