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Test Info:
- Manifest: dom/base/test/mochitest.toml
<!DOCTYPE HTML>
<html>
<head>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
</head>
<body >
<script type="text/javascript">
SimpleTest.waitForExplicitFinish();
let runOrder = [];
function checkResult() {
if (runOrder.length == 3) {
if (runOrder[0] === "Normal") {
isDeeply(
runOrder,
["Normal", "InputHigh", "Vsync"],
"Input priority tasks should let normal tasks to run first when there's no pending vsync"
);
SimpleTest.finish();
} else {
runOrder = [];
runTest();
}
}
}
function runTest() {
window.requestAnimationFrame(() => {
window.requestAnimationFrame(() => {
runOrder.push("Vsync");
checkResult();
});
SpecialPowers.Services.tm.dispatchToMainThread(function() {
runOrder.push("InputHigh");
checkResult();
}, SpecialPowers.Ci.nsIRunnablePriority.PRIORITY_INPUT_HIGH);
SpecialPowers.Services.tm.dispatchToMainThread(function() {
runOrder.push("Normal");
checkResult();
}, SpecialPowers.Ci.nsIRunnablePriority.PRIORITY_NORMAL);
});
}
SpecialPowers.pushPrefEnv({
set: [["dom.input_events.strict_input_vsync_alignment", true]]
}, runTest());
</script>
</body>
</html>