| <!DOCTYPE html> |
| <link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org"> |
| <link rel="help" href="https://www.w3.org/TR/css-multicol-1/#cf"> |
| <p>Test passes if there is a filled green square.</p> |
| <div id="mc" style="columns:10; background:green;"> |
| <div> |
| <div style="height:100px; contain:size;"></div> |
| <div style="break-before:column;"></div> |
| </div> |
| </div> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| test(()=> { |
| assert_equals(mc.offsetHeight, 100); |
| }); |
| </script> |
