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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-sizing/aspect-ratio/box-sizing-dimensions.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS aspect-ratio: uses content box when "auto" is present and box-sizing dimensions when it is absent</title>
<meta name="assert" content='CSS aspect-ratio: uses content box when "auto" is present and box-sizing dimensions when it is absent.'>
<style>
img {
border: 20px solid blue;
width: 100px;
height: auto;
}
.aspect {
aspect-ratio: 2 / 1;
}
.aspect-auto {
aspect-ratio: auto 2 / 1;
}
.border-box {
box-sizing: border-box;
}
.non-replaced {
background: green;
border: 20px solid blue;
width: 100px;
}
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<body onload="checkLayout('.item')">
<img class="item aspect" src="./support/20x50-green.png" width="20" height="50" data-expected-width="140" data-expected-height="90">
<img class="item aspect border-box" src="./support/20x50-green.png" width="20" height="50" data-expected-width="100" data-expected-height="50">
<img class="item aspect-auto" src="./support/20x50-green.png" width="20" height="50" data-expected-width="140" data-expected-height="290">
<img class="item aspect-auto border-box" src="./support/20x50-green.png" width="20" height="50" data-expected-width="100" data-expected-height="190">
<div class="item non-replaced aspect" data-expected-width="140" data-expected-height="90"></div>
<div class="item non-replaced aspect border-box" data-expected-width="100" data-expected-height="50"></div>
<div class="item non-replaced aspect-auto" data-expected-width="140" data-expected-height="90"></div>
<div class="item non-replaced aspect-auto border-box" data-expected-width="100" data-expected-height="70"></div>