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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/requestidlecallback/callback-timeout-when-busy.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/requestidlecallback/callback-timeout-when-busy.html')
| -rw-r--r-- | testing/web-platform/tests/requestidlecallback/callback-timeout-when-busy.html | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/testing/web-platform/tests/requestidlecallback/callback-timeout-when-busy.html b/testing/web-platform/tests/requestidlecallback/callback-timeout-when-busy.html new file mode 100644 index 0000000000..39e17f7b73 --- /dev/null +++ b/testing/web-platform/tests/requestidlecallback/callback-timeout-when-busy.html @@ -0,0 +1,70 @@ +<!DOCTYPE html> +<title>window.requestIdleCallback deals with timeouts correctly</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 whether requestIdleCallback with a timeout works when the event loop + // is busy. + var busy_loop_iterations_remaining = 10; // Should take 20 * 40 = 400ms + var idle_callback_scheduled; + var idle_callback = this.step_func_done(function(deadline) { + assert_false(deadline.didTimeout, "IdleDeadline.didTimeout MUST be false if requestIdleCallback wasn't scheduled due to a timeout"); + assert_equals(busy_loop_iterations_remaining, 0, "Busy event loop should be finished by the time we get scheduled"); + }); + + var busy_loop_iterations_remaining = 10; // Should take 20 * 40 = 400ms + step_timeout(this.step_func(function busyLoop() { + var start_time = performance.now(); + if (!idle_callback_scheduled) { + idle_callback_scheduled = start_time; + requestIdleCallback(idle_callback); + } + + // Use up more than a frames worth of budget. + while (performance.now() - start_time < 40) { + } + if (busy_loop_iterations_remaining > 0) { + busy_loop_iterations_remaining--; + step_timeout(busyLoop); + } + })); +}, '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_loop_iterations_remaining = 10; // Should take 20 * 40 = 400ms + var timeout = 200; + var idle_callback_scheduled; + var idle_callback = this.step_func_done(function(deadline) { + var time_delta = performance.now() - idle_callback_scheduled; + assert_true(time_delta >= timeout, "Should only have been run after 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_loop_iterations_remaining > 0, "Busy event loop should still be going"); + }); + + step_timeout(this.step_func(function busyLoop() { + var start_time = performance.now(); + if (!idle_callback_scheduled) { + idle_callback_scheduled = start_time; + requestIdleCallback(idle_callback, { timeout: timeout }); + } + + // Use up more than a frames worth of budget. + while (performance.now() - start_time < 40) { + } + if (busy_loop_iterations_remaining > 0) { + busy_loop_iterations_remaining--; + step_timeout(busyLoop); + } + })); +}, 'requestIdleCallback scheduled with timeout when event loop is busy.'); + +</script> +<h1>Test of requestIdleCallback timeout behavior</h1> +<div id="log"></div> |