Chromium Code Reviews| OLD | NEW |
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| (Empty) | |
| 1 <title>window.requestIdleCallback exists</title> | |
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esprehn
2015/08/21 08:22:20
You need <!DOCTYPE html>
rmcilroy
2015/08/21 11:21:51
Done.
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| 2 <link rel="author" title="Ross McIlroy" href="mailto:rmcilroy@chromium.org" /> | |
| 3 <link rel="help" href="http://www.w3.org/TR/requestidlecallback/"/> | |
| 4 <script src="../../../../resources/testharness.js"></script> | |
| 5 <script src="../../../../resources/testharnessreport.js"></script> | |
| 6 <link rel="stylesheet" href="../../resources/testharness.css" /> | |
| 7 <script> | |
| 8 test(function() { | |
| 9 assert_equals(typeof window.requestIdleCallback, "function"); | |
| 10 }, "window.requestIdleCallback is defined", {assert: "The window.requestIdleCall back function is used to request callbacks during browser-defined idle time."}); | |
| 11 | |
| 12 test(function() { | |
| 13 assert_equals(typeof window.cancelIdleCallback, "function"); | |
| 14 }, "window.cancelIdleCallback is defined", {assert: "The window.cancelIdleCallba ck function is used to cancel callbacks scheduled via requestIdleCallback."}); | |
| 15 | |
| 16 test(function() { | |
| 17 assert_equals(typeof window.requestIdleCallback(function() {}), "number"); | |
| 18 }, "window.requestIdleCallback() returns a number", {assert: "The requestIdleCal lback method MUST return a long"}); | |
| 19 | |
| 20 test(function() { | |
| 21 assert_equals(typeof window.cancelIdleCallback(1), "undefined"); | |
| 22 }, "window.cancelIdleCallback() returns undefined", {assert: "The cancelIdleCall back method MUST return void"}); | |
| 23 | |
| 24 async_test(function() { | |
| 25 // Check whether requestIdleCallback schedules a callback which gets executed | |
| 26 // and the deadline argument is passed correctly. | |
| 27 requestIdleCallback(this.step_func(function(deadline) { | |
| 28 assert_equals(typeof deadline, "object", "IdleDeadline MUST be passed to cal lback."); | |
| 29 assert_equals(typeof deadline.timeRemaining, "function", "IdleDeadline.timeR emaining MUST be a function"); | |
| 30 var timeRemaining = deadline.timeRemaining(); | |
| 31 assert_equals(typeof timeRemaining, "number", "IdleDeadline.timeRemaining() MUST return a double time remaining in milliseconds"); | |
| 32 assert_true(timeRemaining <= 50, "IdleDeadline.timeRemaining() MUST be less than or equal to 50ms in the future."); | |
| 33 assert_equals(typeof deadline.didTimeout, "boolean", "IdleDeadline.didTimeou t MUST be a boolean"); | |
| 34 assert_false(deadline.didTimeout, "IdleDeadline.didTimeout MUST be false if requestIdleCallback wasn't scheduled due to a timeout"); | |
| 35 this.done(); | |
| 36 })); | |
| 37 }, 'requestIdleCallback schedules callbacks'); | |
| 38 | |
| 39 async_test(function() { | |
| 40 // Check whether requestIdleCallback schedules a callback which gets executed | |
| 41 // and the deadline argument is passed correctly. | |
| 42 var handle = requestIdleCallback(this.step_func(function(deadline) { | |
| 43 assert_unreached("callback should not be called if canceled with cancelIdleC allback"); | |
| 44 })); | |
| 45 cancelIdleCallback(handle); | |
| 46 setTimeout(this.step_func(function() { | |
| 47 this.done(); | |
| 48 }), 200); | |
| 49 }, 'cancelIdleCallback cancels callbacks'); | |
| 50 | |
| 51 </script> | |
| 52 <h1>Description</h1> | |
| 53 <p>This test validates that window.requestIdleCallback and window.cancelIdleCall back exist and are a functions.</p> | |
| 54 <div id="log"></div> | |
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