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| 1 <!doctype html> | |
| 2 <meta charset=utf-8> | |
| 3 <title>cancelling idle requests</title> | |
| 4 <script src=/resources/testharness.js></script> | |
| 5 <script src=/resources/testharnessreport.js></script> | |
| 6 <div id="log"></div> | |
| 7 <script> | |
| 8 test(function (t) { | |
| 9 window.cancelIdleCallback(42); | |
| 10 assert_true(true); | |
| 11 }, "cancelIdleCallback does nothing if there is no callback with the given han
dle"); | |
| 12 | |
| 13 async_test(function (t) { | |
| 14 assert_false(document.hidden, "document.hidden must exist and be false to ru
n this test properly"); | |
| 15 var neverCalled = true; | |
| 16 var handle = window.requestIdleCallback(function () { | |
| 17 neverCalled = false; | |
| 18 }); | |
| 19 window.cancelIdleCallback(handle); | |
| 20 | |
| 21 t.step_timeout(function() { | |
| 22 assert_true(neverCalled); | |
| 23 t.done(); | |
| 24 }, 2000); | |
| 25 }, "A cancelled callback is never invoked"); | |
| 26 </script> | |
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