chromium/third_party/blink/web_tests/fast/css-grid-layout/grid-item-auto-placement-definite-span.html

<!DOCTYPE html>
<html>
<link href="resources/grid.css" rel="stylesheet">
<style>
.grid {
    grid-auto-rows: 50px;
    grid-auto-columns: 100px;
}

.autoRowFirstColumnSpanning3 {
    background-color: teal;
    grid-column: 1 / span 3;
    grid-row: auto;
}

.firstRowSpanning3AutoColumn {
    background-color: teal;
    grid-column: auto;
    grid-row: 1 / span 3;
    height: 100%;
}
</style>
<script src="../../resources/check-layout.js"></script>
<body onload="checkLayout('.grid');">

<p>Thist test checks that span is supported in auto-placement for definite positions.</p>

<div style="position: relative">
    <div class="grid gridAutoFlowRowDense">
        <div class="sizedToGridArea autoRowFirstColumnSpanning2" data-offset-x="0" data-offset-y="0" data-expected-width="200" data-expected-height="50"></div>
        <div class="sizedToGridArea autoRowSecondColumnSpanning2" data-offset-x="100" data-offset-y="50" data-expected-width="200" data-expected-height="50"></div>
        <div class="sizedToGridArea autoRowFirstColumnSpanning3" data-offset-x="0" data-offset-y="100" data-expected-width="300" data-expected-height="50"></div>
        <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="200" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
        <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="0" data-offset-y="50" data-expected-width="100" data-expected-height="50"></div>
    </div>
</div>

<div style="position: relative">
    <div class="grid gridAutoFlowRowDense">
        <div class="sizedToGridArea firstRowSpanning2AutoColumn" data-offset-x="0" data-offset-y="0" data-expected-width="100" data-expected-height="100"></div>
        <div class="sizedToGridArea secondRowSpanning2AutoColumn" data-offset-x="100" data-offset-y="50" data-expected-width="100" data-expected-height="100"></div>
        <div class="sizedToGridArea firstRowSpanning3AutoColumn" data-offset-x="200" data-offset-y="0" data-expected-width="100" data-expected-height="150"></div>
        <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="100" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
        <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="0" data-offset-y="100" data-expected-width="100" data-expected-height="50"></div>
    </div>
</div>

<div style="position: relative">
    <div class="grid gridAutoFlowColumnDense">
        <div class="sizedToGridArea firstRowSpanning2AutoColumn" data-offset-x="0" data-offset-y="0" data-expected-width="100" data-expected-height="100"></div>
        <div class="sizedToGridArea secondRowSpanning2AutoColumn" data-offset-x="100" data-offset-y="50" data-expected-width="100" data-expected-height="100"></div>
        <div class="sizedToGridArea firstRowSpanning3AutoColumn" data-offset-x="200" data-offset-y="0" data-expected-width="100" data-expected-height="150"></div>
        <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="0" data-offset-y="100" data-expected-width="100" data-expected-height="50"></div>
        <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="100" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
    </div>
</div>

<div style="position: relative">
    <div class="grid gridAutoFlowColumnDense">
        <div class="sizedToGridArea autoRowFirstColumnSpanning2" data-offset-x="0" data-offset-y="0" data-expected-width="200" data-expected-height="50"></div>
        <div class="sizedToGridArea autoRowSecondColumnSpanning2" data-offset-x="100" data-offset-y="50" data-expected-width="200" data-expected-height="50"></div>
        <div class="sizedToGridArea autoRowFirstColumnSpanning3" data-offset-x="0" data-offset-y="100" data-expected-width="300" data-expected-height="50"></div>
        <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="0" data-offset-y="50" data-expected-width="100" data-expected-height="50"></div>
        <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="200" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
    </div>
</div>

</body>
</html>