| Index: LayoutTests/virtual/threaded/fast/idle-callback/timeout.html
|
| diff --git a/LayoutTests/virtual/threaded/fast/idle-callback/timeout.html b/LayoutTests/virtual/threaded/fast/idle-callback/timeout.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..42a819136367a33689dd9cbd2f5eb09797c66e2c
|
| --- /dev/null
|
| +++ b/LayoutTests/virtual/threaded/fast/idle-callback/timeout.html
|
| @@ -0,0 +1,73 @@
|
| +<!DOCTYPE html>
|
| +<title>window.requestIdleCallback deals with timeouts correctly</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 whether requestIdleCallback with a timeout works when the event loop
|
| + // is busy.
|
| + var busy_raf_loop_iterations_remaining = 10; // Should take 20 * 40 = 400ms
|
| + var idle_callback_scheduled;
|
| + var idle_callback = this.step_func(function(deadline) {
|
| + assert_false(deadline.didTimeout, "IdleDeadline.didTimeout MUST be false if requestIdleCallback wasn't scheduled due to a timeout");
|
| + assert_equals(busy_raf_loop_iterations_remaining, 0, "Busy rAF loop should be finished by the time we get scheduled");
|
| + this.done();
|
| + });
|
| +
|
| + var busy_raf_loop_iterations_remaining = 10; // Should take 20 * 40 = 400ms
|
| + requestAnimationFrame(this.step_func(function busyRAFLoop() {
|
| + var start_time = performance.now();
|
| + if (!idle_callback_scheduled) {
|
| + idle_callback_scheduled = start_time;
|
| + requestIdleCallback(idle_callback);
|
| + }
|
| +
|
| + // Use up the whole frame budget.
|
| + while (performance.now() - start_time < 40) { }
|
| + if (busy_raf_loop_iterations_remaining > 0) {
|
| + busy_raf_loop_iterations_remaining--;
|
| + requestAnimationFrame(busyRAFLoop);
|
| + }
|
| + }));
|
| +}, 'requestIdleCallback not scheduled when event loop is busy.');
|
| +
|
| +async_test(function() {
|
| + // Check whether requestIdleCallback with a timeout works when the event loop
|
| + // is busy.
|
| + var busy_raf_loop_iterations_remaining = 10; // Should take 20 * 40 = 400ms
|
| + var timeout = 200;
|
| + var idle_callback_scheduled;
|
| + var idle_callback = this.step_func(function(deadline) {
|
| + var time_delta = performance.now() - idle_callback_scheduled;
|
| + assert_true(time_delta >= timeout, "Should only have been run after timeout");
|
| + assert_true(time_delta - timeout <= 80, "Should have been scheduled close to timeout");
|
| + assert_true(deadline.timeRemaining == 0, "IdleDeadline.timeRemaining MUST be equal to zero if requestIdleCallback was scheduled due to a timeout");
|
| + assert_true(deadline.didTimeout, "IdleDeadline.didTimeout MUST be true if requestIdleCallback was scheduled due to a timeout");
|
| + assert_true(busy_raf_loop_iterations_remaining > 0, "Busy rAF loop should still be going");
|
| + this.done();
|
| + });
|
| +
|
| + requestAnimationFrame(this.step_func(function busyRAFLoop() {
|
| + var start_time = performance.now();
|
| + if (!idle_callback_scheduled) {
|
| + idle_callback_scheduled = start_time;
|
| + requestIdleCallback(idle_callback, timeout);
|
| + }
|
| +
|
| + // Use up the whole frame budget.
|
| + while (performance.now() - start_time < 40) { }
|
| + if (busy_raf_loop_iterations_remaining > 0) {
|
| + busy_raf_loop_iterations_remaining--;
|
| + requestAnimationFrame(busyRAFLoop);
|
| + }
|
| + }));
|
| +}, 'requestIdleCallback scheduled with timeout when event loop is busy.');
|
| +
|
| +</script>
|
| +<h1>Description</h1>
|
| +<p>This test validates that window.requestIdleCallback deals with timeouts correctly.</p>
|
| +<div id="log"></div>
|
|
|
Chromium Code Reviews
Issue 1119683003:
Implement requestIdleCallback API (Closed)
Base URL: svn://svn.chromium.org/blink/trunk