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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/hr-time/timeOrigin.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/hr-time/timeOrigin.html')
| -rw-r--r-- | testing/web-platform/tests/hr-time/timeOrigin.html | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/testing/web-platform/tests/hr-time/timeOrigin.html b/testing/web-platform/tests/hr-time/timeOrigin.html new file mode 100644 index 0000000000..20aea75084 --- /dev/null +++ b/testing/web-platform/tests/hr-time/timeOrigin.html @@ -0,0 +1,45 @@ +<!doctype html> +<html> +<head> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +</head> +<body> +<script> +const windowOrigin = performance.timeOrigin; + +test(() => { + // Use a 30ms cushion when comparing with Date() to account for inaccuracy. + const startTime = Date.now(); + assert_greater_than_equal(startTime + 30, windowOrigin, 'Date.now() should be at least as large as the window timeOrigin.'); + const startNow = performance.now(); + assert_less_than_equal(startTime, windowOrigin + startNow + 30, 'Date.now() should be close to window timeOrigin.'); +}, 'Window timeOrigin is close to Date.now() when there is no system clock adjustment.'); + +const workerScript = 'postMessage({timeOrigin: performance.timeOrigin})'; +const blob = new Blob([workerScript]); + +async_test(function(t) { + const beforeWorkerCreation = performance.now(); + const worker = new Worker(URL.createObjectURL(blob)); + worker.addEventListener('message', t.step_func_done(function(event) { + const workerOrigin = event.data.timeOrigin; + assert_greater_than_equal(workerOrigin, windowOrigin + beforeWorkerCreation, 'Worker timeOrigin should be greater than the window timeOrigin.'); + const afterWorkerCreation = performance.now(); + assert_less_than_equal(workerOrigin - windowOrigin, afterWorkerCreation, 'Window and worker timeOrigins should be close.'); + })); +}, 'Window and worker timeOrigins are close when created one after another.'); + +async_test(function(t) { + this.step_timeout(function() { + const workerCreation = performance.now(); + const worker = new Worker(URL.createObjectURL(blob)); + worker.addEventListener('message', t.step_func_done(function(event) { + const workerOrigin = event.data.timeOrigin; + assert_greater_than_equal(workerOrigin - windowOrigin, 200, 'We waited 200ms to spawn the second worker, so its timeOrigin should be greater than that of the window.'); + })); + }, 200); +}, 'Window and worker timeOrigins differ when worker is created after a delay.'); +</script> +</body> +</html>
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