grid-item-border-overflow-paint.html

<!DOCTYPE html>
<html>
<head>
<link href="../css-intrinsic-dimensions/resources/width-keyword-classes.css" rel="stylesheet">
<link href="resources/grid.css" rel="stylesheet">
<style>
    .grid {
        display: grid;
        grid-template-rows: repeat(2, 100px);
        grid-template-columns: 100px;
        background-color: red;
    }

    .gridItem {
        height: 100%;
        width: 100%;
        background-color: orange;
    }
</style>
<script>
    function onloadScrollTop() {
        // Scroll until we see the grid item's border but not the grid item
        window.scrollBy(0,-150);
    }
</script>
</head>
<body style="height: 1000px" onload="onloadScrollTop()">

<div class="grid fit-content">
  <div class="gridItem" style="grid-column: 1; grid-row: 1; border-bottom: 100px green solid;"></div>
</div>

<div>There should be a 100px wide green box (grid item's border) above</div>

</body>
<script>
    window.scrollTo(0,300);
</script>
</html>

chromium/third_party/blink/web_tests/fast/css-grid-layout/grid-item-border-overflow-paint.html