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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/requestidlecallback/callback-idle-periods.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip | |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/requestidlecallback/callback-idle-periods.html')
| -rw-r--r-- | testing/web-platform/tests/requestidlecallback/callback-idle-periods.html | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/testing/web-platform/tests/requestidlecallback/callback-idle-periods.html b/testing/web-platform/tests/requestidlecallback/callback-idle-periods.html new file mode 100644 index 0000000000..3c2de61bfe --- /dev/null +++ b/testing/web-platform/tests/requestidlecallback/callback-idle-periods.html @@ -0,0 +1,44 @@ +<!DOCTYPE html> +<title>window.requestIdleCallback callback behavior during idle periods.</title> +<meta name="timeout" content="long"> +<link rel="author" title="Ross McIlroy" href="mailto:rmcilroy@chromium.org" /> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script> + +async_test(function() { + // Check that if an idle callback calls requestIdleCallback, the new callback + // doesn't get the same deadline (i.e., runs in a new idle period). + var previous_deadline = undefined; + var idle_callbacks_remaining = 10; + var rIC = this.step_func(function(deadline) { + var now = performance.now(); + var remaining = deadline.timeRemaining(); + var new_deadline = now + remaining; + if (previous_deadline != undefined) { + assert_true(new_deadline > previous_deadline, "A requestIdleCallback scheduled during an idle period should be called back with a deadline greater than that in the current idle period."); + } + + // Schedule a new requestIdleCallback. + if (--idle_callbacks_remaining > 0) { + previous_deadline = new_deadline; + requestIdleCallback(rIC); + } else { + this.done(); + } + }); + + // Spin an empty rAF loop to cause an idle period each frame. + var idle_task_posted = false; + requestAnimationFrame(function rAFLoop() { + if (!idle_task_posted) { + requestIdleCallback(rIC); + idle_task_posted = true; + } + requestAnimationFrame(rAFLoop); + }); +}, 'Check that if an idle callback calls requestIdleCallback the new callback doesn\'t run in the current idle period.'); +</script> +<h1>Test of requestIdleCallback idle period behavior</h1> +<p>This test validates that window.requestIdleCallback deals with callbacks during idle periods correctly.</p> +<div id="log"></div> |