LayoutTests/virtual/threaded/fast/idle-callback/timeout.html - Issue 1309523008: Change IdleCallbackDeadline.timeRemaining to be a function instead of an attribute.

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Issue 1309523008: Change IdleCallbackDeadline.timeRemaining to be a function instead of an attribute. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Add webexposed change Created 5 years, 3 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <title>window.requestIdleCallback deals with timeouts correctly</title>	2 <title>window.requestIdleCallback deals with timeouts correctly</title>

3 <link rel="author" title="Ross McIlroy" href="mailto:rmcilroy@chromium.org" />	3 <link rel="author" title="Ross McIlroy" href="mailto:rmcilroy@chromium.org" />

4 <link rel="help" href="http://www.w3.org/TR/requestidlecallback/"/>	4 <link rel="help" href="http://www.w3.org/TR/requestidlecallback/"/>

5 <script src="../../../../resources/testharness.js"></script>	5 <script src="../../../../resources/testharness.js"></script>

6 <script src="../../../../resources/testharnessreport.js"></script>	6 <script src="../../../../resources/testharnessreport.js"></script>

7 <link rel="stylesheet" href="../../resources/testharness.css" />	7 <link rel="stylesheet" href="../../resources/testharness.css" />

8 <script>	8 <script>

9	9

10 async_test(function() {	10 async_test(function() {

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37	37

38 async_test(function() {	38 async_test(function() {

39 // Check whether requestIdleCallback with a timeout works when the event loop	39 // Check whether requestIdleCallback with a timeout works when the event loop

40 // is busy.	40 // is busy.

41 var busy_raf_loop_iterations_remaining = 10; // Should take 20 * 40 = 400ms	41 var busy_raf_loop_iterations_remaining = 10; // Should take 20 * 40 = 400ms

42 var timeout = 200;	42 var timeout = 200;

43 var idle_callback_scheduled;	43 var idle_callback_scheduled;

44 var idle_callback = this.step_func(function(deadline) {	44 var idle_callback = this.step_func(function(deadline) {

45 var time_delta = performance.now() - idle_callback_scheduled;	45 var time_delta = performance.now() - idle_callback_scheduled;

46 assert_true(time_delta >= timeout, "Should only have been run after timeout" );	46 assert_true(time_delta >= timeout, "Should only have been run after timeout" );

47 assert_true(deadline.timeRemaining == 0, "IdleDeadline.timeRemaining MUST be equal to zero if requestIdleCallback was scheduled due to a timeout");	47 assert_true(deadline.timeRemaining() == 0, "IdleDeadline.timeRemaining MUST be equal to zero if requestIdleCallback was scheduled due to a timeout");

48 assert_true(deadline.didTimeout, "IdleDeadline.didTimeout MUST be true if re questIdleCallback was scheduled due to a timeout");	48 assert_true(deadline.didTimeout, "IdleDeadline.didTimeout MUST be true if re questIdleCallback was scheduled due to a timeout");

49 assert_true(busy_raf_loop_iterations_remaining > 0, "Busy rAF loop should st ill be going");	49 assert_true(busy_raf_loop_iterations_remaining > 0, "Busy rAF loop should st ill be going");

50 this.done();	50 this.done();

51 });	51 });

52	52

53 requestAnimationFrame(this.step_func(function busyRAFLoop() {	53 requestAnimationFrame(this.step_func(function busyRAFLoop() {

54 var start_time = performance.now();	54 var start_time = performance.now();

55 if (!idle_callback_scheduled) {	55 if (!idle_callback_scheduled) {

56 idle_callback_scheduled = start_time;	56 idle_callback_scheduled = start_time;

57 requestIdleCallback(idle_callback, timeout);	57 requestIdleCallback(idle_callback, timeout);

58 }	58 }

59	59

60 // Use up the whole frame budget.	60 // Use up the whole frame budget.

61 while (performance.now() - start_time < 40) { }	61 while (performance.now() - start_time < 40) { }

62 if (busy_raf_loop_iterations_remaining > 0) {	62 if (busy_raf_loop_iterations_remaining > 0) {

63 busy_raf_loop_iterations_remaining--;	63 busy_raf_loop_iterations_remaining--;

64 requestAnimationFrame(busyRAFLoop);	64 requestAnimationFrame(busyRAFLoop);

65 }	65 }

66 }));	66 }));

67 }, 'requestIdleCallback scheduled with timeout when event loop is busy.');	67 }, 'requestIdleCallback scheduled with timeout when event loop is busy.');

68	68

69 </script>	69 </script>

70 <h1>Description</h1>	70 <h1>Description</h1>

71 <p>This test validates that window.requestIdleCallback deals with timeouts corre ctly.</p>	71 <p>This test validates that window.requestIdleCallback deals with timeouts corre ctly.</p>

72 <div id="log"></div>	72 <div id="log"></div>

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