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- This WPT test may be referenced by the following Test IDs:
- /css/css-flexbox/height-percentage-with-dynamic-container-size.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Flexbox Test: Flex container with height percentage and dynamic container size</title>
<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
<meta name="assert" content="Checks that if a flex container has a definite height percentage, but then the height of the container is dynamically changed to be intrinsic, the resolved value of the percentage is correctly updated.">
<style>
.container {
width: 100px;
background: cyan;
height: 200px;
}
.changed .container {
height: auto;
}
.flex {
display: flex;
}
.content {
height: 100px;
width: 100px;
}
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<div id="log"></div>
<pre>height: 0%</pre>
<div class="container" data-expected-height="100">
<div class="flex" style="height: 0%" data-expected-height="100">
<div data-expected-height="100">
<div class="content"></div>
</div>
</div>
</div>
<pre>height: 100%</pre>
<div class="container" data-expected-height="100">
<div class="flex" style="height: 100%" data-expected-height="100">
<div data-expected-height="100">
<div class="content"></div>
</div>
</div>
</div>
<pre>height: 200%</pre>
<div class="container" data-expected-height="100">
<div class="flex" style="height: 200%" data-expected-height="100">
<div data-expected-height="100">
<div class="content"></div>
</div>
</div>
</div>
<script>
// Force layout
document.body.offsetLeft;
// Change 'height' to 'auto'.
document.body.classList.add("changed");
// Check final layout
checkLayout('.container');
</script>