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firefox/testing/web-platform/tests/css/css-sizing/aspect-ratio/flex-aspect-ratio-038.html
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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<!DOCTYPE html>
<title>aspect-ratio flex item</title>
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#algo-main-item"
title="Part E">
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht" />
<meta name="assert"
content="min-height is not reflected through the aspect ratio when calculating width:fit-content when laying out a column flex item for flex base size calculation.">
<style>
#reference-overlapped-red {
position: absolute;
background-color: red;
width: 100px;
height: 100px;
z-index: -1;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.
</p>
<div id="reference-overlapped-red"></div>
<div style="display: flex; flex-flow: column; align-items: start; height: 200px;">
<!-- flex base size for this item is 1px because case E specifies that the
flex base size is the height resulting from layout of this variant of the
element:
<div style="width: fit-content; aspect-ratio: 1/1; height: max-content;">
<div style="width: 1px;"></div>
</div>
'min-height' was removed because of this line from the spec:
"""When determining the flex base size, the items min and max main sizes are
ignored"""
'width:fit-content' and 'height:max-content' are from part E in the spec
section linked to above.
The resulting height is 1px, so flex base size is 1px.
flex base size of the second item is obviously 1px.
The extra 198px should be distributed evenly to the two items, with each
item's final height being 100px.
Chrome 101 and Firefox 99 both get this wrong because they make the first
item's flex base size = 100px.
-->
<div style="aspect-ratio: 1/1; background: green; min-height: 100px; flex: 1 0 auto;">
<div style="width: 1px;"></div>
</div>
<div style="flex: 1 0 1px;"></div>
</div>