| <!DOCTYPE HTML> |
| <!-- A block with fixed width is 220px tall. When turning its container into a |
| multicol container with a column height of 300px, we need to re-lay out the |
| block, even if it would seem to fit in one column (220px < 300px). It |
| contains a forced break. --> |
| <p>There should be a blue square below.</p> |
| <div id="multicol" style="position:relative; column-gap:0; column-fill:auto; width:100px; height:300px;"> |
| <div style="width:50px;"> |
| <div id="block1" style="height:100px; background:blue;"></div> |
| <div style="height:20px;"></div> |
| <div id="block2" style="break-before:column; height:100px; background:blue;"></div> |
| </div> |
| </div> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script> |
| test(() => { |
| document.body.offsetTop; |
| document.getElementById("multicol").style.columns = "2"; |
| var block1 = document.getElementById("block1"); |
| var block2 = document.getElementById("block2"); |
| assert_equals(block1.offsetTop, 0); |
| assert_equals(block1.offsetLeft, 0); |
| assert_equals(block2.offsetTop, 0); |
| assert_equals(block2.offsetLeft, 50); |
| }, "Need relayout when becoming fragmented, even if width is the same."); |
| </script> |
