mirror of
https://github.com/nodejs/node.git
synced 2024-11-21 10:59:27 +00:00
c252f6c93f
Refs: https://github.com/nodejs/node/pull/32790 PR-URL: https://github.com/nodejs/node/pull/33287 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
45 lines
2.0 KiB
HTML
45 lines
2.0 KiB
HTML
<!doctype html>
|
|
<html>
|
|
<head>
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
</head>
|
|
<body>
|
|
<script>
|
|
const windowOrigin = performance.timeOrigin;
|
|
|
|
test(() => {
|
|
// Use a 30ms cushion when comparing with Date() to account for inaccuracy.
|
|
const startTime = Date.now();
|
|
assert_greater_than_equal(startTime + 30, windowOrigin, 'Date.now() should be at least as large as the window timeOrigin.');
|
|
const startNow = performance.now();
|
|
assert_less_than_equal(startTime, windowOrigin + startNow + 30, 'Date.now() should be close to window timeOrigin.');
|
|
}, 'Window timeOrigin is close to Date.now() when there is no system clock adjustment.');
|
|
|
|
const workerScript = 'postMessage({timeOrigin: performance.timeOrigin})';
|
|
const blob = new Blob([workerScript]);
|
|
|
|
async_test(function(t) {
|
|
const beforeWorkerCreation = performance.now();
|
|
const worker = new Worker(URL.createObjectURL(blob));
|
|
worker.addEventListener('message', t.step_func_done(function(event) {
|
|
const workerOrigin = event.data.timeOrigin;
|
|
assert_greater_than_equal(workerOrigin, windowOrigin + beforeWorkerCreation, 'Worker timeOrigin should be greater than the window timeOrigin.');
|
|
const afterWorkerCreation = performance.now();
|
|
assert_less_than_equal(workerOrigin - windowOrigin, afterWorkerCreation, 'Window and worker timeOrigins should be close.');
|
|
}));
|
|
}, 'Window and worker timeOrigins are close when created one after another.');
|
|
|
|
async_test(function(t) {
|
|
this.step_timeout(function() {
|
|
const workerCreation = performance.now();
|
|
const worker = new Worker(URL.createObjectURL(blob));
|
|
worker.addEventListener('message', t.step_func_done(function(event) {
|
|
const workerOrigin = event.data.timeOrigin;
|
|
assert_greater_than_equal(workerOrigin - windowOrigin, 200, 'We waited 200ms to spawn the second worker, so its timeOrigin should be greater than that of the window.');
|
|
}));
|
|
}, 200);
|
|
}, 'Window and worker timeOrigins differ when worker is created after a delay.');
|
|
</script>
|
|
</body>
|
|
</html> |