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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-break/flexbox/single-line-row-flex-fragmentation-044.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<meta charset="utf-8">
<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>
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<link rel="match" href="single-line-row-flex-fragmentation-044-ref.html">
<style>
.multicol {
column-count: 2;
column-gap: 0;
column-fill: auto;
width: 200px;
border: 5px solid gray;
height: 0px;
}
.flexbox {
display: flex;
width: 100px;
}
.flexbox > div {
width: 50px;
contain: size;
}
</style>
<div class="multicol">
<div class="flexbox">
<!-- To reproduce the bug, the first item should have margin-top, and its
block-end should be smaller than the second item's block-end. -->
<div style="height: 10px; background: pink; margin-top: 5px;"></div>
<div style="height: 20px; background: orange"></div>
</div>
</div>
</html>