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Test Info:

<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>CSS Overflow: line-clamp float clipping repaint test</title>
<link rel="author" title="Andreu Botella" href="mailto:abotella@igalia.com">
<link rel="match" href="reference/line-clamp-with-floats-005-ref.html">
<meta name="assert" content="With a float inside a line-clamp container, when the container's content edge moves, the float clip will be updated to match it.">
<script src="/common/reftest-wait.js"></script>
<style>
#clamp {
line-clamp: 4;
font: 16px / 32px serif;
padding: 4px;
white-space: pre;
background-color: yellow;
height: 200px; /* more than enough to fit the float */
}
.float {
float: left;
width: 50px;
height: 50px;
margin: 4px;
background-color: skyblue;
}
</style>
<div id="clamp">Line 1
Line 2
Line 3
Line 4<div class="float"></div>
Line 5</div>
<script>
window.onload = () => {
requestAnimationFrame(() => {
requestAnimationFrame(() => {
document.getElementById("clamp").style.height = "auto";
takeScreenshot();
});
});
};
</script>