number-input-vertical-overflow-ref.html

<!DOCTYPE html>
<title>Reference: Number input in vertical writing mode with long value does not cause ink overflow</title>
<p>Number input with long value does not cause ink overflow</p>
<style>
    input {
        writing-mode: vertical-lr;
        appearance: none;
        inline-size: 10em;
    }
</style>
<input type="number">

chromium/third_party/blink/web_tests/external/wpt/css/css-writing-modes/forms/number-input-vertical-overflow-ref.html