css/css-grid/grid-definition/grid-auto-repeat-max-size-002.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Grid Layout Test: Auto repeat tracks and percentage max sizes</title>
<link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-grid-1/#auto-repeat">
<meta name="assert" content="This test checks that auto repeat tracks use percentage max size when size is indefinite to compute the number of tracks.">
<link rel="stylesheet" href="/css/support/grid.css">
<style>
.grid {
  position: relative;
  display: grid;
  grid: repeat(auto-fill, 50px) / repeat(auto-fill, 100px);
  max-width: 50%;
  max-height: 80%;
}
.wrapper {
  width: 600px;
  height: 250px;
}
.item {
  background: lime;
  /* Place item on the last cell. */
  grid-column: -2;
  grid-row: -2;
}
</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="wrapper">
  <div class="grid" data-expected-width="300" data-expected-height="200">
    <div class="item" data-offset-x="200" data-offset-y="150" data-expected-width="100" data-expected-height="50"></div>
  </div>
</div>

<div class="wrapper">
  <div class="grid" style="width: 200px; height: 100px;" data-expected-width="200" data-expected-height="100">
    <div class="item" data-offset-x="100" data-offset-y="50" data-expected-width="100" data-expected-height="50"></div>
  </div>
</div>

<div class="wrapper">
  <div class="grid" style="width: min-content; height: min-content;" data-expected-width="300" data-expected-height="200">
    <div class="item" data-offset-x="200" data-offset-y="150" data-expected-width="100" data-expected-height="50"></div>
  </div>
</div>

<div class="wrapper">
  <div class="grid" style="width: max-content; height: max-content;" data-expected-width="300" data-expected-height="200">
    <div class="item" data-offset-x="200" data-offset-y="150" data-expected-width="100" data-expected-height="50"></div>
  </div>
</div>

</body>