grid-positioned-items-unknown-named-grid-line-001.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-grid/abspos/grid-positioned-items-unknown-named-grid-line-001.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>CSS Grid Layout Test: Grid positioned items unknown named grid line</title>

<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">

<link rel="help" href="https://drafts.csswg.org/css-grid-1/#abspos" title="9. Absolute Positioning">

<meta name="assert" content="This test checks that grid placement properties of absolutely positioned items can reference implicit grid lines.">

<link rel="stylesheet" href="/fonts/ahem.css">

<link rel="stylesheet" href="/css/support/grid.css">

<style>

.grid {

  grid-template-columns: 100px 200px;

  grid-template-rows: 50px 150px;

  width: 500px;

  height: 300px;

  border: 5px solid black;

  margin: 30px;

  padding: 15px;

  /* Ensures that the grid container is the containing block of the absolutely positioned grid children. */

  position: relative;

.absolute {

  position: absolute;

.startUnknownLine {

  background-color: blue;

  grid-column: foo / 3;

  grid-row: bar / 3;

.endUnknownLine {

  background-color: orange;

  grid-column: 1 / foo;

  grid-row: 1 / bar;

.startAndEndUnknownLines {

  background-color: green;

  grid-column: foo / bar;

  grid-row: foo / bar;

</style>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/resources/check-layout-th.js"></script>

<script type="text/javascript">

  setup({ explicit_done: true });

</script>

<body onload="document.fonts.ready.then(() => { checkLayout('.grid'); })">

<div id="log"></div>

<div class="grid">

  <div class="absolute sizedToGridArea startAndEndUnknownLines"

    data-offset-x="0" data-offset-y="0" data-expected-width="530" data-expected-height="330">

  </div>

  <div class="absolute sizedToGridArea endUnknownLine"

    data-offset-x="15" data-offset-y="15" data-expected-width="515" data-expected-height="315">

  </div>

  <div class="absolute sizedToGridArea startUnknownLine"

    data-offset-x="315" data-offset-y="215" data-expected-width="215" data-expected-height="115">

  </div>

</div>

<div class="grid directionRTL">

  <div class="absolute sizedToGridArea startAndEndUnknownLines"

    data-offset-x="0" data-offset-y="0" data-expected-width="530" data-expected-height="330">

  </div>

  <div class="absolute sizedToGridArea endUnknownLine"

    data-offset-x="0" data-offset-y="15" data-expected-width="515" data-expected-height="315">

  </div>

  <div class="absolute sizedToGridArea startUnknownLine"

    data-offset-x="0" data-offset-y="215" data-expected-width="215" data-expected-height="115">

  </div>

</div>

</body>