line-names-001.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-grid/subgrid/line-names-001.html - WPT Dashboard Interop Dashboard

<!DOCTYPE HTML>

<!--

     Any copyright is dedicated to the Public Domain.

     http://creativecommons.org/publicdomain/zero/1.0/

-->

<html><head>

  <meta charset="utf-8">

  <title>CSS Grid Test: subgrid item using line names from outer grid</title>

  <link rel="author" title="Mats Palmgren" href="mailto:mats@mozilla.com">

  <link rel="help" href="https://drafts.csswg.org/css-grid-2">

  <link rel="match" href="line-names-001-ref.html">

  <style>

html,body {

  color:black; background-color:white; font:24px/1 monospace; padding:0; margin:0;

.grid {

  display: grid;

  grid: auto / [a] 50px 50px [a] 50px 50px [a];

  padding: 20px 10px;

.subgrid {

  display: grid;

  grid: 50px / subgrid;

  grid-column: span 3;

x { background: grey; }

  </style>

</head>

<body>

<div class="grid">

  <div class="subgrid">

    <x style="grid-column: span a / a -1"></x>

  </div>

</div>

<script>

  const expectedResults = [

    "subgrid [] [] [] []",

];

  [...document.querySelectorAll('.subgrid')].forEach(function(subgrid, i) {

    let actual = window.getComputedStyle(subgrid)['grid-template-columns'];

    let expected = expectedResults[i];

    if (actual != expected) {

      let err = "Unexpected getComputedStyle value for subgrid " + i + " with className '" + subgrid.className + "':" +

      " Actual: \"" + actual + "\", Expected: \"" + expected + "\"";

      document.body.appendChild(document.createTextNode(err));

});

</script>

</body>

</html>