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1 <!DOCTYPE html> | |
2 | |
3 <script src="../../../resources/testharness.js"></script> | |
4 <script src="../../../resources/testharnessreport.js"></script> | |
5 <script type="text/javascript"> | |
6 'use strict'; | |
7 for (let eventType of [MouseEvent, KeyboardEvent, WheelEvent, GamepadEvent, Focu
sEvent]) { | |
8 test(function() { | |
9 let before = performance.now(); | |
10 let e = new eventType('test'); | |
11 let after = performance.now(); | |
12 assert_greater_than_equal(e.timeStamp, before, "Event timestamp should b
e greater than performance.now() timestamp taken before its creation"); | |
13 assert_less_than_equal(e.timeStamp, after, "Event timestamp should be le
ss than performance.now() timestamp taken after its creation"); | |
14 }, `Constructed ${eventType.prototype.constructor.name} timestamp should be
high resolution and have the same time origin as performance.now()`); | |
15 } | |
16 </script> | |
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