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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 /dom/events/test/test_eventTimeStamp.html | |
| parent | Initial commit. (diff) | |
| download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/events/test/test_eventTimeStamp.html')
| -rw-r--r-- | dom/events/test/test_eventTimeStamp.html | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/dom/events/test/test_eventTimeStamp.html b/dom/events/test/test_eventTimeStamp.html new file mode 100644 index 0000000000..a0a52409a0 --- /dev/null +++ b/dom/events/test/test_eventTimeStamp.html @@ -0,0 +1,116 @@ +<!doctype html> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=77992 +--> +<head> + <meta charset="utf-8"> + <title>Test for Event.timeStamp (Bug 77992)</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> +</head> +<body> +<a target="_blank" + href="https://bugzilla.mozilla.org/show_bug.cgi?id=77992">Mozilla Bug 77992</a> +<p id="display"></p> +<pre id="test"> +<script type="text/js-worker" id="worker-src"> + // Simply returns the event timestamp + onmessage = function(evt) { + postMessage(evt.timeStamp + performance.timeOrigin); + } +</script> +<script type="text/js-worker" id="shared-worker-src"> + // Simply returns the event timestamp + onconnect = function(evt) { + var port = evt.ports[0]; + port.onmessage = function(messageEvt) { + port.postMessage(messageEvt.timeStamp + performance.timeOrigin); + }; + }; +</script> +<script type="application/javascript"> +"use strict"; + +SimpleTest.waitForExplicitFinish(); +SimpleTest.requestFlakyTimeout("untriaged"); + +// This file performs tests that normalize the timeOrigin within a worker +// and compare it to the page. When this occurs, time can appear to go backwards. +// This is a known (and accepted) regression of privacy.reduceTimerPrecision so +// we need to turn it off. +SpecialPowers.pushPrefEnv({ "set": [ + ["privacy.reduceTimerPrecision", false] + ]}, testRegularEvents); + +// Event.timeStamp should be relative to the time origin which is: +// +// Non-worker context: navigation start +// Dedicated worker: navigation start of the document that created the worker +// Shared worker: creation time of the shared worker +// +// See: https://w3c.github.io/web-performance/specs/HighResolutionTime2/Overview.html#sec-time-origin + +function testRegularEvents() { + var timeBeforeEvent = performance.now(); + document.getElementById('test').addEventListener("click", function(evt) { + var timeAfterEvent = performance.now(); + ok(evt.timeStamp >= timeBeforeEvent && + evt.timeStamp <= timeAfterEvent, + "Event timestamp (" + evt.timeStamp + ") is in expected range: [" + + timeBeforeEvent + ", " + timeAfterEvent + "]"); + testWorkerEvents(); + }); + document.getElementById('test').click(); +} + +function testWorkerEvents() { + var blob = new Blob([ document.getElementById("worker-src").textContent ], + { type: "text/javascript" }); + var worker = new Worker(URL.createObjectURL(blob)); + worker.onmessage = function(evt) { + var timeAfterEvent = performance.now() + performance.timeOrigin; + ok(evt.data >= timeBeforeEvent && + evt.data <= timeAfterEvent, + "Event timestamp in dedicated worker (" + evt.data + + ") is in expected range: [" + + timeBeforeEvent + ", " + timeAfterEvent + "]"); + worker.terminate(); + testSharedWorkerEvents(); + }; + var timeBeforeEvent = performance.now() + performance.timeOrigin; + worker.postMessage(""); +} + +function testSharedWorkerEvents() { + var blob = + new Blob([ document.getElementById("shared-worker-src").textContent ], + { type: "text/javascript" }); + // Delay creation of worker slightly so it is easier to distinguish + // shared worker creation time from this document's navigation start + setTimeout(function() { + var timeBeforeEvent = performance.now() + performance.timeOrigin; + var worker = new SharedWorker(URL.createObjectURL(blob)); + worker.port.onmessage = function(evt) { + var timeAfterEvent = performance.now() + performance.timeOrigin; + ok(evt.data >= timeBeforeEvent && + evt.data <= timeAfterEvent, + "Event timestamp in shared worker (" + evt.data + + ") is in expected range: [" + + timeBeforeEvent + ", " + timeAfterEvent + "]"); + worker.port.close(); + finishTests(); + }; + worker.port.start(); + worker.port.postMessage(""); + }, 500); +} + +var finishTests = function() { + SimpleTest.finish(); +}; + +</script> +</pre> +</body> +</html> |