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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-contain/contain-paint-dynamic-003.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>Dynamic change to paint containment</title>
<meta name="assert" content="Verify paint containment is properly updated after dynamic change to the contain property.">
<link rel="match" href="contain-paint-dynamic-003-ref.html">
<script src="/common/reftest-wait.js"></script>
<script src="/common/rendering-utils.js"></script>
<style>
#container {
width: 100px;
height: 100px;
background: green;
contain: paint;
}
#overflowing {
width: 400px;
height: 100px;
}
.square {
display: inline-block;
width: 50px;
height: 50px;
margin: 5px;
}
.green {
background: green;
}
</style>
<body>
<p>PASS if you see <em>two</em> green squares.</p>
<div id="container">
<div id="overflowing"><div class="square"></div><div class="square"></div><div class="red square"></div></div>
</div>
<script>
window.addEventListener("TestRendered", async () => {
container.style.contain = "none";
await waitForAtLeastOneFrame();
takeScreenshot();
});
</script>
</body>
</html>