Index: LayoutTests/virtual/threaded/fast/idle-callback/basic.html |
diff --git a/LayoutTests/virtual/threaded/fast/idle-callback/basic.html b/LayoutTests/virtual/threaded/fast/idle-callback/basic.html |
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+++ b/LayoutTests/virtual/threaded/fast/idle-callback/basic.html |
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+<!DOCTYPE html> |
+<title>window.requestIdleCallback exists</title> |
+<link rel="author" title="Ross McIlroy" href="mailto:rmcilroy@chromium.org" /> |
+<link rel="help" href="http://www.w3.org/TR/requestidlecallback/"/> |
+<script src="../../../../resources/testharness.js"></script> |
+<script src="../../../../resources/testharnessreport.js"></script> |
+<link rel="stylesheet" href="../../resources/testharness.css" /> |
+<script> |
+test(function() { |
+ assert_equals(typeof window.requestIdleCallback, "function"); |
+}, "window.requestIdleCallback is defined", {assert: "The window.requestIdleCallback function is used to request callbacks during browser-defined idle time."}); |
+ |
+test(function() { |
+ assert_equals(typeof window.cancelIdleCallback, "function"); |
+}, "window.cancelIdleCallback is defined", {assert: "The window.cancelIdleCallback function is used to cancel callbacks scheduled via requestIdleCallback."}); |
+ |
+test(function() { |
+ assert_equals(typeof window.requestIdleCallback(function() {}), "number"); |
+}, "window.requestIdleCallback() returns a number", {assert: "The requestIdleCallback method MUST return a long"}); |
+ |
+test(function() { |
+ assert_equals(typeof window.cancelIdleCallback(1), "undefined"); |
+}, "window.cancelIdleCallback() returns undefined", {assert: "The cancelIdleCallback method MUST return void"}); |
+ |
+async_test(function() { |
+ // Check whether requestIdleCallback schedules a callback which gets executed |
+ // and the deadline argument is passed correctly. |
+ requestIdleCallback(this.step_func(function(deadline) { |
+ assert_equals(typeof deadline, "object", "IdleDeadline MUST be passed to callback."); |
+ assert_equals(typeof deadline.timeRemaining, "number", "IdleDeadline.timeRemaining MUST be a double time remaining in milliseconds"); |
+ assert_true(deadline.timeRemaining <= 50, "IdleDeadline.timeRemaining() MUST be less than or equal to 50ms in the future."); |
+ assert_equals(typeof deadline.didTimeout, "boolean", "IdleDeadline.didTimeout MUST be a boolean"); |
+ assert_false(deadline.didTimeout, "IdleDeadline.didTimeout MUST be false if requestIdleCallback wasn't scheduled due to a timeout"); |
+ this.done(); |
+ })); |
+}, 'requestIdleCallback schedules callbacks'); |
+ |
+async_test(function() { |
+ // Check whether requestIdleCallback schedules a callback which gets executed |
+ // and the deadline argument is passed correctly. |
+ var handle = requestIdleCallback(this.step_func(function(deadline) { |
+ assert_unreached("callback should not be called if canceled with cancelIdleCallback"); |
+ })); |
+ cancelIdleCallback(handle); |
+ setTimeout(this.step_func(function() { |
+ this.done(); |
+ }), 200); |
+}, 'cancelIdleCallback cancels callbacks'); |
+ |
+</script> |
+<h1>Description</h1> |
+<p>This test validates that window.requestIdleCallback and window.cancelIdleCallback exist and are a functions.</p> |
+<div id="log"></div> |