<!DOCTYPE html>
<link href="resources/grid.css" rel="stylesheet">
<link href="resources/grid-alignment.css" rel="stylesheet">
<style>
.negativeStartBeforePositionIndexes {
    grid-row: -10 / 1;
    grid-column: -28 / 1;
}
.negativeEndAfterPositionIndexes {
    grid-row: 1 / -17;
    grid-column: 1 / -80;
}
.negativePositionIndexes {
    grid-row: -50 / -3;
    grid-column: -8 / -54;
}
</style>
<script src="../../resources/check-layout.js"></script>
<body onload="checkLayout('.grid')">
<div>This test checks that negative grid position indexes don't make us crash.</div>

<div class="unconstrainedContainer">
    <div class="grid justifyContentStart">
        <div class="sizedToGridArea negativeStartBeforePositionIndexes" data-expected-width="120" data-expected-height="10">XXXXX XXXXXX</div>
    </div>
</div>

<div class="unconstrainedContainer">
    <div class="grid justifyContentStart">
        <div class="sizedToGridArea negativeEndAfterPositionIndexes" data-expected-width="120" data-expected-height="10">XXXXX XXXXXX</div>
    </div>
</div>

<div class="unconstrainedContainer">
    <div class="grid justifyContentStart">
        <div class="sizedToGridArea negativePositionIndexes" data-expected-width="120" data-expected-height="10">XXXXX XXXXXX</div>
    </div>
</div>

</body>
