chromium/third_party/blink/web_tests/fast/css-grid-layout/grid-item-sizing-with-orthogonal-flows.html

<!DOCTYPE html>
<link href="resources/grid.css" rel="stylesheet">
<link href="resources/grid-alignment.css" rel="stylesheet">
<style>
body {
    margin: 0;
}
.grid {
    font: 10px/1 Ahem;
    width: 300px;
    height: 80px;
    position: relative;
    grid-template-columns: minmax(min-content, max-content);
    grid-template-rows: minmax(min-content, max-content);
}
</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>
<p>This test checks that grid items sizing works as regular block sizing with orthogonal flows.</p>

<div>
    <p>HORIZONTAL-TB container with VERTICAL-LR items.</p>
    <div class="grid">
        <div class="sizedToGridArea verticalLR firstRowFirstColumn" data-offset-x="0" data-offset-y="0" data-expected-width="20" data-expected-height="80">X X X X X X</div>
    </div>
</div>

<div>
    <p>HORIZONTAL-TB container with VERTICAL-RL items.</p>
    <div class="grid itemsStart">
        <div class="sizedToGridArea verticalRL firstRowFirstColumn" data-offset-x="0" data-offset-y="0" data-expected-width="20" data-expected-height="80">X X X X X X</div>
    </div>
</div>

<div>
    <p>VERTICAL-LR container with HORIZONTAL-TB items.</p>
    <div class="grid itemsStart verticalLR">
        <div class="sizedToGridArea firstRowFirstColumn horizontalTB" data-offset-x="0" data-offset-y="0" data-expected-width="110" data-expected-height="10">X X X X X X</div>
    </div>
</div>

<div>
    <p>VERTICAL-RL container with HORIZONTAL-TB items.</p>
    <div class="grid itemsStart verticalRL">
        <div class="sizedToGridArea firstRowFirstColumn horizontalTB" data-offset-x="190" data-offset-y="0" data-expected-width="110" data-expected-height="10">X X X X X X</div>
    </div>
</div>
</body>