25 lines
852 B
HTML
25 lines
852 B
HTML
<!doctype html>
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<meta charset="utf-8">
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<meta name="timeout" content="long">
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<title>IdleDeadline::timeRemaining() uses relevant global object as a high-res timestamp origin</title>
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<link rel="help" href="https://w3c.github.io/requestidlecallback/#dom-idledeadline-timeremaining">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<body>
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<script>
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const t = async_test();
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t.step_timeout(() => {
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const iframeDelayed = document.createElement("iframe");
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iframeDelayed.onload = t.step_func(() => {
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requestIdleCallback(t.step_func_done(deadline => {
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assert_approx_equals(
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iframeDelayed.contentWindow.IdleDeadline.prototype.timeRemaining.call(deadline),
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deadline.timeRemaining(),
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5,
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);
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}));
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});
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document.body.append(iframeDelayed);
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}, 1000);
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</script>
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