| Index: LayoutTests/virtual/threaded/fast/idle-callback/idle_periods.html
|
| diff --git a/LayoutTests/virtual/threaded/fast/idle-callback/idle_periods.html b/LayoutTests/virtual/threaded/fast/idle-callback/idle_periods.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..4751fabebc4b3798a813072175c27362dacc37ad
|
| --- /dev/null
|
| +++ b/LayoutTests/virtual/threaded/fast/idle-callback/idle_periods.html
|
| @@ -0,0 +1,72 @@
|
| +<!DOCTYPE html>
|
| +<title>window.requestIdleCallback callback behavior during idle periods.</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>
|
| +
|
| +async_test(function() {
|
| + // Check that two separate calls to requestIdleCallbacks can run in the same
|
| + // idle period.
|
| + var callback_1_deadline;
|
| + var callback_1_has_run = false;
|
| + var callback_1 = function(deadline) {
|
| + callback_1_has_run = true;
|
| + var remaining = deadline.timeRemaining();
|
| + if (remaining >= 5) {
|
| + // Should be enough time to run the next callback in the current idle
|
| + // period.
|
| + callback_1_deadline = performance.now() + remaining;
|
| + }
|
| + };
|
| + var callback_2 = this.step_func(function(deadline) {
|
| + assert_true(callback_1_has_run, "Should run callbacks in order of posting if they don't have a timeout.");
|
| + if (callback_1_deadline != undefined) {
|
| + assert_true(performance.now() < callback_1_deadline, "Should be able to run both callbacks in the same idle period.");
|
| + this.done();
|
| + } else {
|
| + // Might not have had enough idle time, so try again.
|
| + callback_1_has_run = false;
|
| + setTimeout(function() {
|
| + requestIdleCallback(callback_1);
|
| + requestIdleCallback(callback_2);
|
| + }, 0);
|
| + }
|
| + });
|
| + requestIdleCallback(callback_1);
|
| + requestIdleCallback(callback_2);
|
| +}, 'requestIdleCallback can run multiple different requestIdleCallback callbacks in the same idle period.');
|
| +
|
| +async_test(function() {
|
| + // Check that if an idle callback calls requestIdleCallback the new callback
|
| + // doesn't run in the current idle period.
|
| + var previous_deadline;
|
| + var idle_callbacks_remaining = 10;
|
| + var self = this;
|
| + requestIdleCallback(this.step_func(function rIC(deadline) {
|
| + var remaining = deadline.timeRemaining();
|
| + var now = performance.now();
|
| + if (previous_deadline != undefined) {
|
| + assert_true(now >= previous_deadline, "A requestIdleCallback called during an idle period should not be run until the next idle period.");
|
| + }
|
| +
|
| + // Schedule a new requestIdleCallback.
|
| + if (--idle_callbacks_remaining > 0) {
|
| + previous_deadline = now + remaining;
|
| + requestIdleCallback(rIC);
|
| + } else {
|
| + self.done();
|
| + }
|
| + }));
|
| +
|
| + // Spin an empty rAF loop to cause an idle period each frame.
|
| + requestAnimationFrame(this.step_func(function rAFLoop() {
|
| + requestAnimationFrame(rAFLoop);
|
| + }));
|
| +}, 'Check that if an idle callback calls requestIdleCallback the new callback doesn\'t run in the current idle period.');
|
| +</script>
|
| +<h1>Description</h1>
|
| +<p>This test validates that window.requestIdleCallback deals with callbacks during idle periods correctly.</p>
|
| +<div id="log"></div>
|
|
|
Chromium Code Reviews
Issue 1342803002:
[LayoutTests] Add a new requestIdleCallback layout test which checks idle period behavior. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk