Blitz - WPT: block-ellipsis-repaint-002.html

wpt / css / css-overflow / line-clamp / block-ellipsis-repaint-002.html

/css/css-overflow/line-clamp/block-ellipsis-repaint-002.html

<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>CSS Overflow: line-clamp ellipsis repaint tests</title>
<link rel="author" title="Andreu Botella" href="mailto:abotella@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-overflow-4/#block-ellipsis">
<link rel="match" href="reference/block-ellipsis-repaint-002-ref.html">
<meta name="assert" content="This test makes sure that, if the line with the ellipsis gets moved vertically because the height of previous lines grows, the ellipsis moves correspondingly; and that this happens even when the height of the line-clamp container does not change.">
<script src="/common/reftest-wait.js"></script>
<style>
.clamp {
  line-clamp: 2;
  border: 1px solid black;
  padding: 4px;
  background-color: yellow;
  height: 3.5lh;
}
</style>

<p>The ellipsis should appear right after the end of the second line.</p>

<div class="clamp">
  <span id="line1">Line 1</span> <br>
  Line 2 <br>
  Line 3
</div>

<script>
  window.onload = () => {
    requestAnimationFrame(() => {
      requestAnimationFrame(() => {
        document.getElementById("line1").style.lineHeight = "2lh";
        takeScreenshot();
      });
    });
  };
</script>

/css/css-overflow/line-clamp/reference/block-ellipsis-repaint-002-ref.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Reference</title>
<style>
.clamp {
  border: 1px solid black;
  padding: 4px;
  background-color: yellow;
  height: 3.5lh;
}
#line1 {
  line-height: 2lh;
}
</style>

<p>The ellipsis should appear right after the end of the second line.</p>

<div class="clamp">
  <span id="line1">Line 1</span> <br>
  Line 2…
</div>