<!DOCTYPE html>
<html>
<head>
<link href="resources/grid.css" rel="stylesheet">
<link href="resources/grid-alignment.css" rel="stylesheet">
<script src="../../resources/check-layout.js"></script>
<style type="text/css">
    .grid {
	grid-auto-flow: row dense;
    }

    #firstGridItem {
	grid-row: auto;
	grid-column: column;
    }

    #secondGridItem {
	grid-row: row;
	grid-column: auto;
    }

    #thirdGridItem {
	grid-row: auto;
	grid-column: auto;
    }
</style>
<script>
function testGridDefinitions(gridTemplateRows, gridTemplateColumns, firstGridItemData, secondGridItemData, thirdGridItemData)
{
    var gridElement = document.getElementsByClassName("grid")[0];
    gridElement.style.gridTemplateRows = gridTemplateRows;
    gridElement.style.gridTemplateColumns = gridTemplateColumns;

    var firstGridItem = document.getElementById("firstGridItem");
    firstGridItem.setAttribute("data-expected-width", firstGridItemData.width);
    firstGridItem.setAttribute("data-expected-height", firstGridItemData.height);
    firstGridItem.setAttribute("data-offset-x", firstGridItemData.x);
    firstGridItem.setAttribute("data-offset-y", firstGridItemData.y);

    var secondGridItem = document.getElementById("secondGridItem");
    secondGridItem.setAttribute("data-expected-width", secondGridItemData.width);
    secondGridItem.setAttribute("data-expected-height", secondGridItemData.height);
    secondGridItem.setAttribute("data-offset-x", secondGridItemData.x);
    secondGridItem.setAttribute("data-offset-y", secondGridItemData.y);

    var thirdGridItem = document.getElementById("thirdGridItem");
    thirdGridItem.setAttribute("data-expected-width", thirdGridItemData.width);
    thirdGridItem.setAttribute("data-expected-height", thirdGridItemData.height);
    thirdGridItem.setAttribute("data-offset-x", thirdGridItemData.x);
    thirdGridItem.setAttribute("data-offset-y", thirdGridItemData.y);

    checkLayout(".grid");
}

function testChangingGridDefinitions()
{
    testGridDefinitions('10px [row] 20px', '30px [column]', { 'width': '0', 'height': '10', 'x': '30', 'y': '0' }, { 'width': '30', 'height': '20', 'x': '0', 'y': '10' }, { 'width': '30', 'height': '10', 'x': '0', 'y': '0' });
    testGridDefinitions('10px [row] 20px', '30px', { 'width': '0', 'height': '10', 'x': '30', 'y': '0' }, { 'width': '30', 'height': '20', 'x': '0', 'y': '10' }, { 'width': '30', 'height': '10', 'x': '0', 'y': '0' });
    testGridDefinitions('10px 20px [row]', '30px', { 'width': '0', 'height': '10', 'x': '30', 'y': '0' }, { 'width': '30', 'height': '0', 'x': '0', 'y': '30' }, { 'width': '30', 'height': '10', 'x': '0', 'y': '0' });
    testGridDefinitions('10px 20px [row]', '30px [column]', { 'width': '0', 'height': '10', 'x': '30', 'y': '0' }, { 'width': '30', 'height': '0', 'x': '0', 'y': '30' }, { 'width': '30', 'height': '10', 'x': '0', 'y': '0' });
}

window.addEventListener("load", testChangingGridDefinitions, false);
</script>
</head>
<body>
<div>This test checks that updating the named grid lines definitions in grid-template-{rows|columns} recomputes the positions of automatically placed grid items.</div>

<div style="position: relative">
    <div class="grid justifyContentStart">
        <div class="sizedToGridArea" id="firstGridItem"></div>
        <div class="sizedToGridArea" id="secondGridItem"></div>
        <div class="sizedToGridArea" id="thirdGridItem"></div>
    </div>
</div>

</body>
</html>