single-line-row-flex-fragmentation-044.html (1231B)
1 <!DOCTYPE html> 2 <html> 3 <meta charset="utf-8"> 4 <title>Test that the first flex item is pushed to the second column due to insufficient space, and the browser shouldn't create infinite columns.</title> 5 <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com"> 6 <link rel="author" title="Mozilla" href="https://www.mozilla.org/"> 7 <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#pagination"> 8 <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1827582"> 9 <link rel="match" href="single-line-row-flex-fragmentation-044-ref.html"> 10 11 <style> 12 .multicol { 13 column-count: 2; 14 column-gap: 0; 15 column-fill: auto; 16 width: 200px; 17 border: 5px solid gray; 18 height: 0px; 19 } 20 .flexbox { 21 display: flex; 22 width: 100px; 23 } 24 .flexbox > div { 25 width: 50px; 26 contain: size; 27 } 28 </style> 29 30 <div class="multicol"> 31 <div class="flexbox"> 32 <!-- To reproduce the bug, the first item should have margin-top, and its 33 block-end should be smaller than the second item's block-end. --> 34 <div style="height: 10px; background: pink; margin-top: 5px;"></div> 35 <div style="height: 20px; background: orange"></div> 36 </div> 37 </div> 38 </html>