<!DOCTYPE html>
<html>
<link href="resources/grid.css" rel="stylesheet">
<style>
.grid {
    grid-template-columns: [col] 50px [col] 100px [col] 200px [col];
    grid-template-rows: [row] 70px [row] 140px [row] 280px [row];
    grid-auto-columns: 5px;
    grid-auto-rows: 10px;
}
.differentNamedGridLines {
    grid-template-columns: [col1] 50px [col2] 100px [col3] 200px [col4];
    grid-template-rows: [row1] 70px [row2] 140px [row3] 280px [row4];
}
</style>
<script src="../../resources/check-layout.js"></script>
<script>
function testPosition(position, size)
{
    gridItem = document.getElementsByClassName("grid")[0].firstChild;
    gridItem.style.gridColumn = position.column;
    gridItem.style.gridRow = position.row;
    gridItem.setAttribute("data-expected-width", size.width);
    gridItem.setAttribute("data-expected-height", size.height);
    checkLayout(".grid");
}

function updateGridItemPosition()
{
    // Test with the same type of positions.
    // 1. Explicit grid lines.
    testPosition({ 'column': '1 / 2', 'row': '1 / 2' }, { 'width': '50', 'height': '70' });
    testPosition({ 'column': '1 / 3', 'row': '1 / 2' }, { 'width': '150', 'height': '70' });

    testPosition({ 'column': '1 / 2', 'row': '1 / 3' }, { 'width': '50', 'height': '210' });
    testPosition({ 'column': '1 / 2', 'row': '1 / 2' }, { 'width': '50', 'height': '70' });

    testPosition({ 'column': '2 / 3', 'row': '1 / 3' }, { 'width': '100', 'height': '210' });
    testPosition({ 'column': '1 / 3', 'row': '1 / 3' }, { 'width': '150', 'height': '210' });

    testPosition({ 'column': '1 / 3', 'row': '1 / 3' }, { 'width': '150', 'height': '210' });
    testPosition({ 'column': '1 / 3', 'row': '2 / 3' }, { 'width': '150', 'height': '140' });

    // 2. spans.
    testPosition({ 'column': '1 / span 2', 'row': '1 / span 1' }, { 'width': '150', 'height': '70' });
    testPosition({ 'column': '1 / span 1', 'row': '1 / span 1' }, { 'width': '50', 'height': '70' });

    testPosition({ 'column': '2 / span 1', 'row': '1 / span 1' }, { 'width': '100', 'height': '70' });
    testPosition({ 'column': '2 / span 1', 'row': '1 / span 2' }, { 'width': '100', 'height': '210' });

    testPosition({ 'column': 'span 2 / 3', 'row': 'span 2 / 3' }, { 'width': '150', 'height': '210' });
    testPosition({ 'column': 'span 1 / 3', 'row': 'span 2 / 3' }, { 'width': '100', 'height': '210' });

    testPosition({ 'column': 'span 2 / 3', 'row': 'span 1 / 3' }, { 'width': '150', 'height': '140' });
    testPosition({ 'column': 'span 2 / 3', 'row': 'span 2 / 3' }, { 'width': '150', 'height': '210' });

    // 3. Named grid lines, changing the explicit position.
    testPosition({ 'column': '1 / 2 col', 'row': '1 / 2 row' }, { 'width': '50', 'height': '70' });
    testPosition({ 'column': '1 / 3 col', 'row': '1 / 2 row' }, { 'width': '150', 'height': '70' });

    testPosition({ 'column': '1 / 2 col', 'row': '1 / 3 row' }, { 'width': '50', 'height': '210' });
    testPosition({ 'column': '1 / 2 col', 'row': '1 / 2 row' }, { 'width': '50', 'height': '70' });

    testPosition({ 'column': '1 col / 4', 'row': '1 row / 4' }, { 'width': '350', 'height': '490' });
    testPosition({ 'column': '2 col / 4', 'row': '1 row / 4' }, { 'width': '300', 'height': '490' });

    testPosition({ 'column': '2 col / 4', 'row': '2 row / 4' }, { 'width': '300', 'height': '420' });
    testPosition({ 'column': '2 col / 4', 'row': '1 row / 4' }, { 'width': '300', 'height': '490' });

    // 4. Named grid lines, changing the name of the grid lines.
    testPosition({ 'column': '1 / 3 col', 'row': '1 / 2 row' }, { 'width': '150', 'height': '70' });
    testPosition({ 'column': '1 / 3 invalid', 'row': '1 / 2 row' }, { 'width': '365', 'height': '70' });

    testPosition({ 'column': '1 / 4 col', 'row': '1 / 4 invalid' }, { 'width': '350', 'height': '530' });
    testPosition({ 'column': '1 / 4 col', 'row': '1 / 4 row' }, { 'width': '350', 'height': '490' });

    testPosition({ 'column': '2 invalid / 4', 'row': '1 row / 4' }, { 'width': '10', 'height': '490' });
    testPosition({ 'column': '2 col / 4', 'row': '1 row / 4' }, { 'width': '300', 'height': '490' });

    testPosition({ 'column': '2 col / 4', 'row': '2 row / 4' }, { 'width': '300', 'height': '420' });
    testPosition({ 'column': '2 col / 4', 'row': '2 invalid / 4' }, { 'width': '300', 'height': '20' });

    // 5. Span named grid lines, changing the grid line number.
    testPosition({ 'column': '1 / span 3 col', 'row': '1 / span 2 row' }, { 'width': '350', 'height': '210' });
    testPosition({ 'column': '1 / span 2 col', 'row': '1 / span 2 row' }, { 'width': '150', 'height': '210' });

    testPosition({ 'column': '2 / span 3 col', 'row': '1 / span 2 row' }, { 'width': '305', 'height': '210' });
    testPosition({ 'column': '2 / span 3 col', 'row': '1 / span 1 row' }, { 'width': '305', 'height': '70' });

    testPosition({ 'column': 'span 2 col / 3', 'row': 'span 2 row / 4' }, { 'width': '150', 'height': '420' });
    testPosition({ 'column': 'span 1 col / 3', 'row': 'span 2 row / 4' }, { 'width': '100', 'height': '420' });

    testPosition({ 'column': 'span 2 col / 3', 'row': 'span 2 row / 4' }, { 'width': '150', 'height': '420' });
    testPosition({ 'column': 'span 2 col / 3', 'row': 'span 3 row / 4' }, { 'width': '150', 'height': '490' });

    // Test transition across grid lines types.
    // 1. Explicit <-> spans.
    testPosition({ 'column': '1 / 3', 'row': '1 / 2' }, { 'width': '150', 'height': '70' });
    testPosition({ 'column': '1 / span 3', 'row': '1 / 2' }, { 'width': '350', 'height': '70' });

    testPosition({ 'column': '1 / 3', 'row': '1 / span 2' }, { 'width': '150', 'height': '210' });
    testPosition({ 'column': '1 / 3', 'row': '1 / 2' }, { 'width': '150', 'height': '70' });

    testPosition({ 'column': 'span 1 / 3', 'row': '1 / 2' }, { 'width': '100', 'height': '70' });
    testPosition({ 'column': '1 / 3', 'row': '1 / 2' }, { 'width': '150', 'height': '70' });

    testPosition({ 'column': '1 / 3', 'row': '1 / 4' }, { 'width': '150', 'height': '490' });
    testPosition({ 'column': '1 / 3', 'row': 'span 2 / 4' }, { 'width': '150', 'height': '420' });

    // 2. Span <-> named grid lines.
    testPosition({ 'column': '1 / col 3', 'row': '1 / span 4' }, { 'width': '150', 'height': '500' });
    testPosition({ 'column': '1 / span 3', 'row': '1 / span 4' }, { 'width': '350', 'height': '500' });

    testPosition({ 'column': '1 / col 3', 'row': '1 / span 3' }, { 'width': '150', 'height': '490' });
    testPosition({ 'column': '1 / col 3', 'row': '1 / row 3' }, { 'width': '150', 'height': '210' });

    testPosition({ 'column': 'span 1 / 3', 'row': 'span 2 / 4' }, { 'width': '100', 'height': '420' });
    testPosition({ 'column': '1 col / 3', 'row': 'span 2 / 4' }, { 'width': '150', 'height': '420' });

    testPosition({ 'column': 'span 1 / 3', 'row': 'col 1 / 4' }, { 'width': '100', 'height': '10' });
    testPosition({ 'column': 'span 1 / 3', 'row': 'span 1 / 4' }, { 'width': '100', 'height': '280' });

    // 3. Named grid lines to span named grid line.
    testPosition({ 'column': '1 / col 3', 'row': '1 / span 4' }, { 'width': '150', 'height': '500' });
    testPosition({ 'column': '1 / span col 3', 'row': '1 / span 4' }, { 'width': '350', 'height': '500' });

    testPosition({ 'column': '1 / col 3', 'row': '1 / span row 3' }, { 'width': '150', 'height': '490' });
    testPosition({ 'column': '1 / col 3', 'row': '1 / row 3' }, { 'width': '150', 'height': '210' });

    testPosition({ 'column': 'span col 1 / 3', 'row': 'span 2 / 4' }, { 'width': '100', 'height': '420' });
    testPosition({ 'column': '1 col / 3', 'row': 'span 2 / 4' }, { 'width': '150', 'height': '420' });

    testPosition({ 'column': 'span col 1 / 3', 'row': 'col 1 / 4' }, { 'width': '100', 'height': '10' });
    testPosition({ 'column': 'span col 1 / 3', 'row': 'span col 1 / 4' }, { 'width': '100', 'height': '500' });

    // 4. Explicit <-> named grid lines.
    // We need to modify the grid's definitions so that we have explicit and named grid lines not match anymore.
    var gridElement = document.getElementsByClassName("grid")[0];
    gridElement.classList.add("differentNamedGridLines");

    testPosition({ 'column': '1 / col4 3', 'row': '1 / 4' }, { 'width': '360', 'height': '490' });
    testPosition({ 'column': '1 / 3', 'row': '1 / 4' }, { 'width': '150', 'height': '490' });

    testPosition({ 'column': '1 / col4 3', 'row': '1 / 4' }, { 'width': '360', 'height': '490' });
    testPosition({ 'column': '1 / col4 3', 'row': '1 / row3 4' }, { 'width': '360', 'height': '520' });

    testPosition({ 'column': 'col2 1 / 4', 'row': '1 row2 / 4' }, { 'width': '300', 'height': '420' });
    testPosition({ 'column': '1 / 4', 'row': '1 row2 / 4' }, { 'width': '350', 'height': '420' });

    testPosition({ 'column': 'col2 1 / 4', 'row': '1 / 4' }, { 'width': '300', 'height': '490' });
    testPosition({ 'column': 'col2 1 / 4', 'row': '1 row2 / 4' }, { 'width': '300', 'height': '420' });

    // 5. Span <-> span named grid lines.
    testPosition({ 'column': '1 / span col4 2', 'row': '3 / span 1' }, { 'width': '355', 'height': '280' });
    testPosition({ 'column': '1 / span 2', 'row': '3 / span 1' }, { 'width': '150', 'height': '280' });

    testPosition({ 'column': '1 / span col4 3', 'row': '1 / span 4' }, { 'width': '360', 'height': '500' });
    testPosition({ 'column': '1 / span col4 3', 'row': '1 / span row3 4' }, { 'width': '360', 'height': '520' });

    testPosition({ 'column': 'span 2 / 4', 'row': 'span 1 / 4' }, { 'width': '300', 'height': '280' });
    testPosition({ 'column': 'span col1 2 / 4', 'row': 'span 1 / 4' }, { 'width': '355', 'height': '280' });

    testPosition({ 'column': 'span 2 / 4', 'row': 'span 1 / 4' }, { 'width': '300', 'height': '280' });
    testPosition({ 'column': 'span 2 / 4', 'row': 'span row2 1 / 4' }, { 'width': '300', 'height': '420' });

    // 6. Explicit to span named grid line.
    testPosition({ 'column': '1 / 2', 'row': '2 / span row3 1' }, { 'width': '50', 'height': '140' });
    testPosition({ 'column': '1 / span col3 2', 'row': '2 / span row3 1' }, { 'width': '355', 'height': '140' });

    testPosition({ 'column': '1 / 2', 'row': '2 / span row3 4' }, { 'width': '50', 'height': '450' });
    testPosition({ 'column': '1 / 2', 'row': '2 / 4' }, { 'width': '50', 'height': '420' });

    testPosition({ 'column': 'span col2 1 / 4', 'row': 'span row1 3 / 4' }, { 'width': '300', 'height': '510' });
    testPosition({ 'column': '1 / 4', 'row': 'span row1 3 / 4' }, { 'width': '350', 'height': '510' });

    testPosition({ 'column': 'span col2 1 / 4', 'row': 'span row1 3 / 4' }, { 'width': '300', 'height': '510' });
    testPosition({ 'column': 'span col2 1 / 4', 'row': '3 / 4' }, { 'width': '300', 'height': '280' });
}
window.addEventListener("load", updateGridItemPosition, false);
</script>
<body>

<p>This test checks that we properly recompute our internal grid when a grid item is moved.</p>

<div class="grid"><div class="sizedToGridArea"></div></div>

</body>
</html>