chromium/third_party/blink/web_tests/fast/css-grid-layout/grid-item-auto-margins-and-stretch.html

<!DOCTYPE html>
<html>
<head>
<link href="../css-intrinsic-dimensions/resources/width-keyword-classes.css" rel="stylesheet">
<link href="resources/grid.css" rel="stylesheet">
<script src="../../resources/check-layout.js"></script>
<style>
body {
    margin: 0;
}

.grid {
    grid-template-columns: 100px 100px;
    grid-template-rows: 200px 200px;
    margin-bottom: 20px;
    font: 15px/1 Ahem;
}

.autoMarginsTopBottom {
    margin: auto 0px;
}

.autoMarginsRightLeft {
    margin: 0px auto;
}

.autoMargins {
    margin: auto auto;
}

.onlyWidthSet {
    width: 20px;
}

.onlyHeightSet {
    height: 40px;
}

.widthAndHeightSet {
    width: 20px;
    height: 40px;
}
</style>
</head>
<body onload="checkLayout('.grid')">

<p>This test checks that the 'stretch' value is only applied if neither of its margins (in the appropriate axis) are 'auto'.</p>

<div style="position: relative">
    <div class="grid fit-content" data-expected-width="200" data-expected-height="400">
        <div class="firstRowFirstColumn" data-offset-x="0" data-offset-y="0" data-expected-width="100" data-expected-height="200">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMargins firstRowSecondColumn" data-offset-x="140" data-offset-y="80" data-expected-width="20" data-expected-height="40">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMarginsRightLeft secondRowFirstColumn" data-offset-x="40" data-offset-y="200" data-expected-width="20" data-expected-height="200">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMarginsTopBottom secondRowSecondColumn" data-offset-x="100" data-offset-y="280" data-expected-width="100" data-expected-height="40">
            <div class="widthAndHeightSet"></div>
        </div>
    </div>
</div>

<div style="position: relative">
    <div class="grid fit-content verticalRL" data-expected-width="400" data-expected-height="200">
        <div class="firstRowFirstColumn" data-offset-x="200" data-offset-y="0" data-expected-width="200" data-expected-height="100">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMargins firstRowSecondColumn" data-offset-x="290" data-offset-y="130" data-expected-width="20" data-expected-height="40">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMarginsRightLeft secondRowFirstColumn" data-offset-x="90" data-offset-y="0" data-expected-width="20" data-expected-height="100">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMarginsTopBottom secondRowSecondColumn" data-offset-x="0" data-offset-y="130" data-expected-width="200" data-expected-height="40">
            <div class="widthAndHeightSet"></div>
        </div>
    </div>
</div>

<div style="position: relative">
    <div class="grid fit-content verticalLR" data-expected-width="400" data-expected-height="200">
        <div class="firstRowFirstColumn" data-offset-x="0" data-offset-y="0" data-expected-width="200" data-expected-height="100">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMargins firstRowSecondColumn" data-offset-x="90" data-offset-y="130" data-expected-width="20" data-expected-height="40">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMarginsRightLeft secondRowFirstColumn" data-offset-x="290" data-offset-y="0" data-expected-width="20" data-expected-height="100">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMarginsTopBottom secondRowSecondColumn" data-offset-x="200" data-offset-y="130" data-expected-width="200" data-expected-height="40">
            <div class="widthAndHeightSet"></div>
        </div>
    </div>
</div>

<!-- RTL direction -->
<div style="position: relative">
    <div class="grid fit-content directionRTL" data-expected-width="200" data-expected-height="400">
        <div class="firstRowFirstColumn" data-offset-x="100" data-offset-y="0" data-expected-width="100" data-expected-height="200">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMargins firstRowSecondColumn" data-offset-x="40" data-offset-y="80" data-expected-width="20" data-expected-height="40">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMarginsRightLeft secondRowFirstColumn" data-offset-x="140" data-offset-y="200" data-expected-width="20" data-expected-height="200">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMarginsTopBottom secondRowSecondColumn" data-offset-x="0" data-offset-y="280" data-expected-width="100" data-expected-height="40">
            <div class="widthAndHeightSet"></div>
        </div>
    </div>
</div>

<div style="position: relative">
    <div class="grid fit-content directionRTL verticalRL" data-expected-width="400" data-expected-height="200">
        <div class="firstRowFirstColumn" data-offset-x="200" data-offset-y="100" data-expected-width="200" data-expected-height="100">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMargins firstRowSecondColumn" data-offset-x="290" data-offset-y="30" data-expected-width="20" data-expected-height="40">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMarginsRightLeft secondRowFirstColumn" data-offset-x="90" data-offset-y="100" data-expected-width="20" data-expected-height="100">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMarginsTopBottom secondRowSecondColumn" data-offset-x="0" data-offset-y="30" data-expected-width="200" data-expected-height="40">
            <div class="widthAndHeightSet"></div>
        </div>
    </div>
</div>

<div style="position: relative">
    <div class="grid fit-content directionRTL verticalLR" data-expected-width="400" data-expected-height="200">
        <div class="firstRowFirstColumn" data-offset-x="0" data-offset-y="100" data-expected-width="200" data-expected-height="100">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMargins firstRowSecondColumn" data-offset-x="90" data-offset-y="30" data-expected-width="20" data-expected-height="40">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMarginsRightLeft secondRowFirstColumn" data-offset-x="290" data-offset-y="100" data-expected-width="20" data-expected-height="100">
            <div class="widthAndHeightSet"></div>
        </div>
        <div class="autoMarginsTopBottom secondRowSecondColumn" data-offset-x="200" data-offset-y="30" data-expected-width="200" data-expected-height="40">
            <div class="widthAndHeightSet"></div>
        </div>
    </div>
</div>

</body>
</html>