insert-spanner-into-stf-constrained-width.html

<!DOCTYPE html>
<script src="../../../resources/check-layout.js"></script>
<script>
    onload = function() {
        document.body.offsetTop; // trigger layout
        document.getElementById('elm').style.display = 'block';
        checkLayout('#stf');
    }
</script>
<p>Check that inserting a spanner into the multicol container updates the preferred minimum width.</p>
<p>You should see a blue square below.</p>
<div id="stf" style="width:-webkit-min-content; font:20px Ahem; color:blue; background:blue;" data-expected-width="100" data-expected-height="100">
    <div style="-webkit-columns:3;">
        <div id="elm" style="display:none; -webkit-column-span:all; height:100px;">
            xxxxx xxxxx
        </div>
    </div>
</div>

chromium/third_party/blink/web_tests/fast/multicol/dynamic/insert-spanner-into-stf-constrained-width.html