<!DOCTYPE html>
<html>
<head>
<style>
@font-face {
    font-family: "Boxis";
    src: url("resources/Boxis-VF.ttf") format("truetype");
}
</style>
<script>
function test() {
    let target = document.getElementById("target");
    let x = target.offsetLeft + target.offsetWidth / 2;
    let y = target.offsetTop + target.offsetHeight / 2;
    if (window.eventSender) {
        eventSender.mouseMoveTo(x, y);
        eventSender.mouseDown();
        eventSender.mouseUp();
    }
    if (window.testRunner)
        testRunner.notifyDone();
}
</script>
</head>
<body>
This makes sure that variable fonts can be sent across IPC. The test passes if there is no crash.
<div style="font: 48px 'Boxis'; font-variation-settings: 'hght' 600, 'wdth' 600;"><span id="target">Hello</span></div>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}
window.addEventListener("load", test);
</script>
</body>
</html>