| <!DOCTYPE html> |
| <html class="reftest-wait"> |
| <meta charset="utf-8"> |
| <title>CSS Multi-column Layout Test: Append element to grid with pseudo-elements in multi-column context</title> |
| <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com"> |
| <link rel="author" title="Mozilla" href="http://www.mozilla.org/"> |
| <link rel="help" href="https://drafts.csswg.org/css-multicol-1/"> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1645714"> |
| <link rel="match" href="multicol-dynamic-add-003-ref.html"> |
| <meta name="assert" content="This test checks that dynamically appending an element to a grid container with ::before and ::after pseudo-elements in a multi-column context renders correctly."> |
| |
| <script> |
| function runTest() { |
| document.body.offsetHeight; |
| |
| var nav = document.createElement("nav"); |
| nav.append("text"); |
| |
| var grid = document.getElementById("grid"); |
| grid.append(nav); |
| |
| document.documentElement.removeAttribute("class"); |
| } |
| </script> |
| |
| <style> |
| .columns { |
| columns: 2; |
| column-fill: auto; |
| width: 100px; |
| height: 10px; |
| } |
| #grid { |
| display: grid; |
| grid: 20px 20px / 40px 40px; |
| } |
| #grid::before, #grid::after { |
| content: ""; |
| grid-row: 1 / 3; |
| } |
| nav { |
| grid-row: 1 / 3; |
| } |
| </style> |
| |
| <body onload="runTest();"> |
| <div class="columns"> |
| <div id="grid"></div> |
| </div> |
| </body> |
| </html> |
