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+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>CSS Grid Layout Test: Positioned grid items should not take up space</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 positioned items shouldn't take up space or otherwise participate in the layout of the grid.">
+<link rel="stylesheet" href="/fonts/ahem.css">
+<link href="/css/support/grid.css" rel="stylesheet">
+<style>
+
+.grid {
+  grid-template-columns: 50px 100px;
+  grid-template-rows: 50px 100px;
+  width: 150px;
+  height: 150px;
+  /* Ensures that the grid container is the containing block of the absolutely positioned grid children. */
+  position: relative;
+  /* Ensures that the grid container is the containing block of the fixed positioned grid children. */
+  transform: translate(10px, 20px);
+}
+
+.absolute {
+  position: absolute;
+}
+
+.fixed {
+  position: fixed;
+}
+
+.offsetLeft100 {
+  left: 100px;
+}
+
+</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>
+
+<p>Absolutely positioned:</p>
+
+<div class="grid">
+  <div class="sizedToGridArea absolute autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="0" data-expected-width="150" data-expected-height="150">
+  </div>
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="0" data-expected-width="50" data-expected-height="50">
+  </div>
+</div>
+
+<div class="grid">
+  <div class="sizedToGridArea absolute autoRowAutoColumn offsetLeft100"
+    data-offset-x="100" data-offset-y="0" data-expected-width="150" data-expected-height="150">
+  </div>
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="0" data-expected-width="50" data-expected-height="50">
+  </div>
+</div>
+
+<div class="grid">
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="0" data-expected-width="50" data-expected-height="50">
+  </div>
+  <div class="sizedToGridArea absolute autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="0" data-expected-width="150" data-expected-height="150">
+  </div>
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="50" data-offset-y="0" data-expected-width="100" data-expected-height="50">
+  </div>
+</div>
+
+<div class="grid">
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="0" data-expected-width="50" data-expected-height="50">
+  </div>
+  <div class="sizedToGridArea absolute autoRowAutoColumn offsetLeft100"
+    data-offset-x="100" data-offset-y="0" data-expected-width="150" data-expected-height="150">
+  </div>
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="50" data-offset-y="0" data-expected-width="100" data-expected-height="50">
+  </div>
+</div>
+
+<div class="grid">
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="0" data-expected-width="50" data-expected-height="50">
+  </div>
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="50" data-offset-y="0" data-expected-width="100" data-expected-height="50">
+    <div class="sizedToGridArea absolute autoRowAutoColumn"
+      data-offset-x="50" data-offset-y="0" data-expected-width="150" data-expected-height="150">
+    </div>
+  </div>
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="50" data-expected-width="50" data-expected-height="100">
+  </div>
+</div>
+
+<div class="grid">
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="0" data-expected-width="50" data-expected-height="50">
+  </div>
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="50" data-offset-y="0" data-expected-width="100" data-expected-height="50">
+    <div class="sizedToGridArea absolute autoRowAutoColumn offsetLeft100"
+      data-offset-x="100" data-offset-y="0" data-expected-width="150" data-expected-height="150">
+    </div>
+  </div>
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="50" data-expected-width="50" data-expected-height="100">
+  </div>
+</div>
+
+<p>Fixed positioned:</p>
+
+<div class="grid">
+  <div class="sizedToGridArea fixed autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="0" data-expected-width="150" data-expected-height="150">
+  </div>
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="0" data-expected-width="50" data-expected-height="50">
+  </div>
+</div>
+
+<div class="grid">
+  <div class="sizedToGridArea fixed autoRowAutoColumn offsetLeft100"
+    data-offset-x="100" data-offset-y="0" data-expected-width="150" data-expected-height="150">
+  </div>
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="0" data-expected-width="50" data-expected-height="50">
+  </div>
+</div>
+
+<div class="grid">
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="0" data-expected-width="50" data-expected-height="50">
+  </div>
+  <div class="sizedToGridArea fixed autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="0" data-expected-width="150" data-expected-height="150">
+  </div>
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="50" data-offset-y="0" data-expected-width="100" data-expected-height="50">
+  </div>
+</div>
+
+<div class="grid">
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="0" data-expected-width="50" data-expected-height="50">
+  </div>
+  <div class="sizedToGridArea fixed autoRowAutoColumn offsetLeft100"
+    data-offset-x="100" data-offset-y="0" data-expected-width="150" data-expected-height="150">
+  </div>
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="50" data-offset-y="0" data-expected-width="100" data-expected-height="50">
+  </div>
+</div>
+
+<div class="grid">
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="0" data-expected-width="50" data-expected-height="50">
+  </div>
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="50" data-offset-y="0" data-expected-width="100" data-expected-height="50">
+    <div class="sizedToGridArea fixed autoRowAutoColumn"
+      data-offset-x="50" data-offset-y="0" data-expected-width="150" data-expected-height="150">
+    </div>
+  </div>
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="50" data-expected-width="50" data-expected-height="100">
+  </div>
+</div>
+
+<div class="grid">
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="0" data-expected-width="50" data-expected-height="50">
+  </div>
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="50" data-offset-y="0" data-expected-width="100" data-expected-height="50">
+    <div class="sizedToGridArea fixed autoRowAutoColumn offsetLeft100"
+      data-offset-x="100" data-offset-y="0" data-expected-width="150" data-expected-height="150">
+    </div>
+  </div>
+  <div class="sizedToGridArea autoRowAutoColumn"
+    data-offset-x="0" data-offset-y="50" data-expected-width="50" data-expected-height="100">
+  </div>
+</div>
+
+</body>