block-ellipsis-quirk-001.html

<!-- doctype intentionally missing -->
<meta charset="utf-8">
<title>CSS Overflow: block-ellipsis and the blocks ignore line-height quirk</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="stylesheet" href="/fonts/ahem.css">
<link rel="match" href="/css/reference/ref-filled-green-100px-square.xht">
<meta name="assert" content="the 'blocks ignore line-height quirk' does not affect block-ellipsis. When the line-clamp ellipsis displaces a line's entire contents, it is considered to have a strut, which is not removed by this quirk.">
<style>
p {
  /* Making sure the margin collapsing quirk doesn't apply:
   * https://html.spec.whatwg.org/multipage/rendering.html#margin-collapsing-quirks */
  margin-block: 1em;
}
span.red {
    color: red;
}
div.red {
    position: absolute;
    width: 25px;
    height: 100px;
    z-index: -1;
    background: red;
}
div.green {
    position: absolute;
    width: 100px;
    height: 100px;
    z-index: -2;
    background: green;
}
.clamp {
  line-clamp: 4;
  font: 25px/25px Ahem;
  width: 100px;
  color: green;
}
</style>

<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>

<div class=green></div>
<div class=red></div>
<div class="clamp">
  XXXX
  XXXX
  XXXX
  <span class=red>XXXXXXX
  X</span>
</div>