mirror of
https://github.com/servo/servo
synced 2026-05-10 09:02:30 +02:00
27 lines
1.0 KiB
HTML
27 lines
1.0 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>performance.now in dedicated workers</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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</head>
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<body>
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<script>
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async_test(function(t) {
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const worker = new Worker('support/WorkerSendingPerformanceNow.js');
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worker.onmessage = t.step_func_done(event => {
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const results = event.data;
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assert_true(results.length == 4);
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assert_equals(results[0], 'undefined',
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'workerStart not defined on the Worker object');
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assert_equals(results[1], 'object', "self.performance is defined");
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assert_equals(results[2], 'function', "self.performance.now is defined");
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assert_greater_than(results[3], 0, "Time in the worker should be positive");
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assert_greater_than(window.performance.now(), results[3], "Time in the worker should be before the current time in the main document");
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});
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worker.postMessage('');
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}, 'performance.now() exists in dedicated workers and reports reasonable times');
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</script>
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</body>
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</html>
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