mozilla-central/testing/web-platform/tests/css/css-flexbox/abspos/flexbox-abspos-child-002.html

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<!DOCTYPE html>
<!--
Any copyright is dedicated to the Public Domain.
-->
<html>
<head>
<meta charset="utf-8">
<title>
CSS Test: Test that "flex-basis" doesn't affect layout of abspos flex child
</title>
<link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
<link rel="match" href="flexbox-abspos-child-002-ref.html">
<style>
.flex {
display: flex;
height: 10px;
width: 10px;
background: purple;
margin-bottom: 5px;
position: relative;
}
.flex > * {
position: absolute;
background: teal;
height: 10px;
}
.sized {
width: 10px;
}
.implied {
left: 0;
right: 0;
}
</style>
</head>
<body>
<!-- In all cases below, flex-basis should have no effect on layout (because
it's on an element that is abspos and hence not a flex item). -->
<!-- Abspos child has auto width (which should end up 0): -->
<div class="flex"><div style="flex-basis: 2px"></div></div>
<div class="flex"><div style="flex-basis: 100px"></div></div>
<div class="flex"><div style="flex-basis: 80%"></div></div>
<div class="flex"><div style="flex-basis: content"></div></div>
<!-- Abspos child has explicit 10px width: -->
<div class="flex"><div class="sized" style="flex-basis: 2px"></div></div>
<div class="flex"><div class="sized" style="flex-basis: 100px"></div></div>
<div class="flex"><div class="sized" style="flex-basis: 80%"></div></div>
<div class="flex"><div class="sized" style="flex-basis: content"></div></div>
<!-- Abspos child has implicit 10px width (implied by auto width and
constrained left/right properties): -->
<div class="flex"><div class="implied" style="flex-basis: 2px"></div></div>
<div class="flex"><div class="implied" style="flex-basis: 100px"></div></div>
<div class="flex"><div class="implied" style="flex-basis: 80%"></div></div>
<div class="flex"><div class="implied" style="flex-basis: content"></div></div>
</body>
</html>