Blitz - WPT: multicol-nested-033.html

wpt / css / css-multicol / multicol-nested-033.html

/css/css-multicol/multicol-nested-033.html

<!DOCTYPE html>
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
<link rel="help" href="https://drafts.csswg.org/css-multicol-1/#the-multi-column-model">
<link rel="help" href="https://drafts.csswg.org/css-position-3/#abspos-breaking">
<link rel="match" href="multicol-nested-033-ref.html">
<meta name="assert" content="Test that the nested multicol's column-gap is resolved against its content-box inline-size in the outer multicol's second column.">

<style>
.multicol {
  column-count: 2;
  column-fill: auto;
  column-gap: 0;
}
#outer {
  width: 100px;
  height: 100px;
}
#nested {
  width: 100%;
  height: 200px;
  /* column-gap should be resolved to 50px * 30% = 15px. */
  column-gap: 30%;
}
#abscb {
  position: relative;
  width: 100%;

  /* Use a height less than the outer column container's height 100px to trigger
     the bug. */
  height: 50px;
}
#abspos {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 400px;
  background: green;
}
</style>

<div id="outer" class="multicol">
  <div id="nested" class="multicol">
    <div id="abscb">
      <div id="abspos"></div>
    </div>
  </div>
</div>

/css/css-multicol/multicol-nested-033-ref.html

<!DOCTYPE html>
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<link rel="author" title="Mozilla" href="https://www.mozilla.org/">

<style>
.multicol {
  column-count: 2;
  column-fill: auto;
  column-gap: 0;
}
#outer {
  width: 100px;
  height: 100px;
}
#nested {
  width: 100%;
  height: 200px;
  column-gap: 15px;
}
#abscb {
  position: relative;
  width: 100%;
  height: 50px;
}
#abspos {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 400px;
  background: green;
}
</style>

<div id="outer" class="multicol">
  <div id="nested" class="multicol">
    <div id="abscb">
      <div id="abspos"></div>
    </div>
  </div>
</div>