<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>This tests that we don't use simple line layout for surrogate pairs.</title>
<style>
div {
    color: white;
    font-family: Arial;
}
</style>
<script>
if (window.internals) {
    internals.settings.setSimpleLineLayoutDebugBordersEnabled(true);
    internals.settings.setSimpleLineLayoutEnabled(true);
}
</script>
</head>
<body>
<div>&#xd800;</div>
<div>&#x1D306;</div>
<div>&#xdb7f;</div>
</body>
</html>