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firefox/testing/web-platform/tests/webaudio/the-audio-api/the-audiocontext-interface/audiocontext-getoutputtimestamp-cross-realm.html
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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<!DOCTYPE html>
<html>
<head>
<title>
Testing AudioContext.getOutputTimestamp() method (cross-realm)
</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/webaudio/resources/audit.js"></script>
</head>
<body>
<script id="layout-test-code">
const audit = Audit.createTaskRunner();
audit.define("getoutputtimestamp-cross-realm", function(task, should) {
const mainContext = new AudioContext();
return task.timeout(() => {
const iframe = document.createElement("iframe");
document.body.append(iframe);
const iframeContext = new iframe.contentWindow.AudioContext();
should(mainContext.getOutputTimestamp().performanceTime, "mainContext's performanceTime")
.beGreaterThan(iframeContext.getOutputTimestamp().performanceTime, "iframeContext's performanceTime");
should(iframeContext.getOutputTimestamp.call(mainContext).performanceTime, "mainContext's performanceTime (via iframeContext's method)")
.beCloseTo(mainContext.getOutputTimestamp().performanceTime, "mainContext's performanceTime", { threshold: 0.01 });
}, 1000);
});
audit.run();
</script>
</body>
</html>