<!DOCTYPE html>

<style>
.grid {
    display: grid;
    font: 50px/1 Ahem;
    border: 5px dashed magenta;
    width: 150px;
    height: 150px;
}
.item {
    border: 50px solid rgba(0, 255, 250, 0.5);
}
.gridFR {
    grid: 1fr / 1fr;
}
.gridMaxContent {
    grid: max-content / max-content;
}
.gridMinContent {
    grid: min-content / min-content;
}
.gridAuto {
    grid: auto / auto;
}
</style>
<script src="../../resources/check-layout.js"></script>

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

<div class="grid gridFR" data-expected-width="160" data-expected-height="160" data-expected-client-width="150" data-expected-client-height="150">
    <div class="item" data-expected-width="150" data-expected-height="150" data-expected-client-width="50" data-expected-client-height="50">X</div>
</div>

<div class="grid gridMinContent" data-expected-width="160" data-expected-height="160" data-expected-client-width="150" data-expected-client-height="150">
    <div class="item" data-expected-width="150" data-expected-height="150" data-expected-client-width="50" data-expected-client-height="50">X</div>
</div>

<div class="grid gridMaxContent" data-expected-width="160" data-expected-height="160" data-expected-client-width="150" data-expected-client-height="150">
    <div class="item" data-expected-width="150" data-expected-height="150" data-expected-client-width="50" data-expected-client-height="50">X</div>
</div>

<div class="grid gridAuto" data-expected-width="160" data-expected-height="160" data-expected-client-width="150" data-expected-client-height="150">
    <div class="item" data-expected-width="150" data-expected-height="150" data-expected-client-width="50" data-expected-client-height="50">X</div>
</div>

</body>