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Test Info:
<!DOCTYPE html>
<!-- Any copyright is dedicated to the Public Domain.
<html>
<meta charset="utf-8">
<title>CSS Flexbox Test: Fragmentation of block-size:auto single-line column flex container in a zero block-size multicol</title>
<link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<link rel="match" href="flexbox-single-column-vertical-rl-5-ref.html">
<meta name="assert" content="This test verifies fragmentation of flex containers can make progress in a zero block-size multicol.">
<style>
html {
writing-mode: vertical-rl;
}
.multicol {
column-count: 2;
block-size: 0;
border: 1px solid black;
margin-block-end: 30px; /* Just to separate each sub-testcase visually. */
}
.flexContainer {
display: flex;
flex-wrap: nowrap;
flex-direction: column;
padding: 1px;
}
.boxDecorationBreak {
padding: 5px;
box-decoration-break: clone;
}
</style>
<body>
<!-- Basic one with padding on the flex container.-->
<div class="multicol">
<div class="flexContainer">
<div>abc</div><div>def</div>
</div>
</div>
<!-- Larger padding and box-decoration-break:clone on the flex container.-->
<div class="multicol">
<div class="flexContainer boxDecorationBreak">
<div>abc</div><div>def</div>
</div>
</div>
</body>
</html>