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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-contain/contain-layout-dynamic-004.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>Dynamic change to layout containment</title>
<meta name="assert" content="Verify floats are properly displayed after dynamic change to layout containment.">
<link rel="match" href="contain-layout-dynamic-004-ref.html">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<script src="/common/reftest-wait.js"></script>
<script src="/common/rendering-utils.js"></script>
<style>
div {
font: 25px/1 Ahem;
}
#wrapper {
width: 15em;
background: lightgray;
}
.containment {
contain: layout;
}
.float {
box-sizing: border-box;
border: 1px solid black;
}
.left {
float: left;
width: 1em;
height: 2em;
}
.right {
float: right;
width: 1em;
height: 3em;
}
</style>
<body>
<p>PASS if the boxes with dark colors are NOT floating next to the boxes with
light colors.</p>
<div id="wrapper">
<div>
<div id="container">
<div><div class="float left" style="background: lightblue"></div></div>
<div class="float right" style="background: lightyellow"></div>
<div>XX XXX XXXX X</div>
</div>
<div class="float left" style="background: blue"></div>
<div>
<div>
<div><div class="float right" style="background: yellow"></div></div>
<div>XXX XXXXXX XXXX XX XX</div>
</div>
<div>XXXX XXXXX XX</div>
</div>
<div>XXX XXX XX XXXX</div>
</div>
</div>
<script>
window.addEventListener("load", async () => {
container.classList.add('containment');
await waitForAtLeastOneFrame();
takeScreenshot();
});
</script>
</body>
</html>