third_party/WebKit/LayoutTests/fast/dom/raf-throttling-out-of-view-cross-origin-page.html - Issue 2468863002: scheduler: Re-enable timer throttling for hidden frames

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/dom/raf-throttling-out-of-view-cross-origin-page.html

Issue 2468863002: scheduler: Re-enable timer throttling for hidden frames (Closed)

Patch Set: Rebased Created 4 years ago

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	1 <!DOCTYPE html>

	2 <script src="../../resources/testharness.js"></script>

	3 <script src="../../resources/testharnessreport.js"></script>

	4 <style>

	5 #frame {

	6 position: absolute;

	7 top: -1000px;

	8 }

	9 </style>

	10

	11 <iframe id="frame" sandbox="allow-scripts" src="resources/raf-throttling-frame.h tml"></iframe>

	12

	13 <script>

	14 if (window.testRunner)

	15 testRunner.dumpAsText();

	16 let throttlingTest = async_test("Test requestAnimationFrame() throttling in out- of-view cross origin frames");

	17

	18 addEventListener('load', () => {

	19 // Check how many animation frames have been served to the frame after 1

	20 // second.

	21 setTimeout(() => {

	22 var frame = document.querySelector('#frame');

	23 frame.contentWindow.postMessage(null, '*');

	24 }, 1000);

	25 });

	26

	27 addEventListener('message', (e) => {

	28 let rafCount = e.data;

	29 // TODO(skyostil): Chrome always runs one animation frame while the layout

	30 // test harness does none. Find out where the difference is coming from.

	31 assert_less_than_equal(rafCount, 1, "requestAnimationFrame() callback count")

	32 throttlingTest.done();

	33 });

	34 </script>

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