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<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#layout-api-box-tree">
<link rel="match" href="box-tree-registered-ref.html">
<meta name="assert" content="This test checks that a registered layout() has children which are blockified and new formatting contexts." />
<style>
@supports (display: layout(registered)) {
.test {
display: layout(registered);
}
}
.container {
margin: 20px 0;
border: solid 2px;
width: 100px;
}
.float {
float: left;
width: 50%;
height: 50px;
}
.pink {
background: hotpink;
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<div class="container">
<!-- This tests that the "layout()" grandchildren floats within the don't interact with each other. -->
<div class="test">
<div class="inflow">
<div class="float pink"></div>
</div>
<div class="inflow">
<div class="float pink"></div>
</div>
</div>
</div>
<div class="container">
<!-- This tests that the "layout()" children margins interact as if they are new formatting contexts. -->
<div class="test">
<div class="inflow pink">
<div style="margin-bottom: 50px;"></div>
</div>
<div class="inflow pink">
<div style="margin-top: 50px;"></div>
</div>
</div>
</div>
<script id="code" type="text/worklet">
registerLayout('registered', class {
async intrinsicSizes() {}
async layout() { throw Error(); }
});
</script>
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, document.getElementById('code').textContent);
</script>
</html>
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