| <!DOCTYPE html> |
| <p>There should be a blue square below, and no red.</p> |
| <div id="multicol" style="columns:2; column-gap:80px; width:100px; background:red;"> |
| <div id="changeMe" style="float:left;"> |
| <div id="spanner" style="column-span:all; height:100px; background:blue;"></div> |
| </div> |
| </div> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <script> |
| test(() => { |
| var multicol = document.getElementById("multicol"); |
| var spanner = document.getElementById("spanner"); |
| var changeMe = document.getElementById('changeMe'); |
| document.documentElement.offsetTop; |
| |
| changeMe.style.cssFloat = 'none'; |
| assert_equals(multicol.offsetHeight, 100); |
| assert_equals(spanner.offsetWidth, 100); |
| }, "Turn a spanner candidate's parent from float into regular block"); |
| </script> |
