wpt / css / css-grid / abspos / grid-positioned-items-within-grid-implicit-track-001.html

Status: PASS | Duration: 2ms | Subtests: 16/16 | Open test on wpt.live | wpt.fyi

TestTest SourceSubtests (16/16)

Data from commit:
708eb61 WPT runner: support mismatch reftests and multiple rel=match links (#665) (2026-08-09)

SubtestStatusMessage
.grid 1PASS
.grid 2PASS
.grid 3PASS
.grid 4PASS
.grid 5PASS
.grid 6PASS
.grid 7PASS
.grid 8PASS
.grid 9PASS
.grid 10PASS
.grid 11PASS
.grid 12PASS
.grid 13PASS
.grid 14PASS
.grid 15PASS
.grid 16PASS

/css/css-grid/abspos/grid-positioned-items-within-grid-implicit-track-001.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Grid Layout Test: Grid positioned items within grid implicit track</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">
<link rel="help" href="https://drafts.csswg.org/css-grid-1/#implicit-grids" title="7.5. The Implicit Grid">
<meta name="assert" content="This test checks that positioned grid items are placed properly (including implicit tracks) even if the grid has implicit tracks.">
<link rel="stylesheet" href="/css/support/grid.css">
<style>

.grid {
  grid-template-columns: 200px 300px;
  grid-template-rows: 150px 250px;
  grid-auto-columns: 100px;
  grid-auto-rows: 50px;
  width: 800px;
  height: 600px;
  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;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: cyan;
}

.sixRowsAndSixColumns {
  background: magenta;
  grid-row: -5 / 5;
  grid-column: -5 / 5;
}

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

<body onload="checkLayout('.grid')">

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

<div class="grid">
  <div class="sixRowsAndSixColumns"
    data-offset-x="15" data-offset-y="15" data-expected-width="900" data-expected-height="600">
  </div>
  <div class="absolute" style="grid-column: auto / 1; grid-row: auto / 1;"
    data-offset-x="0" data-offset-y="0" data-expected-width="215" data-expected-height="115">
  </div>
</div>

<div class="grid">
  <div class="sixRowsAndSixColumns"
    data-offset-x="15" data-offset-y="15" data-expected-width="900" data-expected-height="600">
  </div>
  <div class="absolute" style="grid-column: auto / 2; grid-row: auto / 2;"
    data-offset-x="0" data-offset-y="0" data-expected-width="415" data-expected-height="265">
  </div>
</div>

<div class="grid">
  <div class="sixRowsAndSixColumns"
    data-offset-x="15" data-offset-y="15" data-expected-width="900" data-expected-height="600">
  </div>
  <div class="absolute" style="grid-column: 3 / auto; grid-row: 3 / auto;"
    data-offset-x="715" data-offset-y="515" data-expected-width="115" data-expected-height="115">
  </div>
</div>

<div class="grid">
  <div class="sixRowsAndSixColumns"
    data-offset-x="15" data-offset-y="15" data-expected-width="900" data-expected-height="600">
  </div>
  <div class="absolute" style="grid-column: 2 / auto; grid-row: 2 / auto;"
    data-offset-x="415" data-offset-y="265" data-expected-width="415" data-expected-height="365">
  </div>
</div>

<div class="grid">
  <div class="sixRowsAndSixColumns"
    data-offset-x="15" data-offset-y="15" data-expected-width="900" data-expected-height="600">
  </div>
  <div class="absolute" style="grid-column: -4 / 1; grid-row: -4 / 1;"
    data-offset-x="115" data-offset-y="65" data-expected-width="100" data-expected-height="50">
  </div>
</div>

<div class="grid">
  <div class="sixRowsAndSixColumns"
    data-offset-x="15" data-offset-y="15" data-expected-width="900" data-expected-height="600">
  </div>
  <div class="absolute" style="grid-column: -4 / 2; grid-row: -4 / 2;"
    data-offset-x="115" data-offset-y="65" data-expected-width="300" data-expected-height="200">
  </div>
</div>

<div class="grid">
  <div class="sixRowsAndSixColumns"
    data-offset-x="15" data-offset-y="15" data-expected-width="900" data-expected-height="600">
  </div>
  <div class="absolute" style="grid-column: 3 / 4; grid-row: 3 / 4;"
    data-offset-x="715" data-offset-y="515" data-expected-width="100" data-expected-height="50">
  </div>
</div>

<div class="grid">
  <div class="sixRowsAndSixColumns"
    data-offset-x="15" data-offset-y="15" data-expected-width="900" data-expected-height="600">
  </div>
  <div class="absolute" style="grid-column: 2 / 4; grid-row: 2 / 4;"
    data-offset-x="415" data-offset-y="265" data-expected-width="400" data-expected-height="300">
  </div>
</div>

<div class="grid directionRTL">
  <div class="sixRowsAndSixColumns"
    data-offset-x="-85" data-offset-y="15" data-expected-width="900" data-expected-height="600">
  </div>
  <div class="absolute" style="grid-column: auto / 1; grid-row: auto / 1;"
    data-offset-x="615" data-offset-y="0" data-expected-width="215" data-expected-height="115">
  </div>
</div>

<div class="grid directionRTL">
  <div class="sixRowsAndSixColumns"
    data-offset-x="-85" data-offset-y="15" data-expected-width="900" data-expected-height="600">
  </div>
  <div class="absolute" style="grid-column: auto / 2; grid-row: auto / 2;"
    data-offset-x="415" data-offset-y="0" data-expected-width="415" data-expected-height="265">
  </div>
</div>

<div class="grid directionRTL">
  <div class="sixRowsAndSixColumns"
    data-offset-x="-85" data-offset-y="15" data-expected-width="900" data-expected-height="600">
  </div>
  <div class="absolute" style="grid-column: 3 / auto; grid-row: 3 / auto;"
    data-offset-x="0" data-offset-y="515" data-expected-width="115" data-expected-height="115">
  </div>
</div>

<div class="grid directionRTL">
  <div class="sixRowsAndSixColumns"
    data-offset-x="-85" data-offset-y="15" data-expected-width="900" data-expected-height="600">
  </div>
  <div class="absolute" style="grid-column: 2 / auto; grid-row: 2 / auto;"
    data-offset-x="0" data-offset-y="265" data-expected-width="415" data-expected-height="365">
  </div>
</div>

<div class="grid directionRTL">
  <div class="sixRowsAndSixColumns"
    data-offset-x="-85" data-offset-y="15" data-expected-width="900" data-expected-height="600">
  </div>
  <div class="absolute" style="grid-column: -4 / 1; grid-row: -4 / 1;"
    data-offset-x="615" data-offset-y="65" data-expected-width="100" data-expected-height="50">
  </div>
</div>

<div class="grid directionRTL">
  <div class="sixRowsAndSixColumns"
    data-offset-x="-85" data-offset-y="15" data-expected-width="900" data-expected-height="600">
  </div>
  <div class="absolute" style="grid-column: -4 / 2; grid-row: -4 / 2;"
    data-offset-x="415" data-offset-y="65" data-expected-width="300" data-expected-height="200">
  </div>
</div>

<div class="grid directionRTL">
  <div class="sixRowsAndSixColumns"
    data-offset-x="-85" data-offset-y="15" data-expected-width="900" data-expected-height="600">
  </div>
  <div class="absolute" style="grid-column: 3 / 4; grid-row: 3 / 4;"
    data-offset-x="15" data-offset-y="515" data-expected-width="100" data-expected-height="50">
  </div>
</div>

<div class="grid directionRTL">
  <div class="sixRowsAndSixColumns"
    data-offset-x="-85" data-offset-y="15" data-expected-width="900" data-expected-height="600">
  </div>
  <div class="absolute" style="grid-column: 2 / 4; grid-row: 2 / 4;"
    data-offset-x="15" data-offset-y="265" data-expected-width="400" data-expected-height="300">
  </div>
</div>

</body>