LayoutTests/fast/css-grid-layout/grid-item-auto-placement-automatic-span.html - WebKit - Git at Google

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

 .gridNamedGridLinesColumns {
     grid-template-columns: 50px 100px [line] 200px [line];
 }

 .gridNamedGridLinesRows {
     grid-template-rows: 50px 100px [line] 200px [line];
 }

 .autoRowAutoColumnSpanning3 {
     background-color: teal;
     grid-column: span 3;
     grid-row: auto;
 }

 .autoRowSpanning2AutoColumn {
     background-color: aqua;
     grid-column: auto;
     grid-row: span 2;
 }

 .autoRowSpanning3AutoColumn {
     background-color: salmon;
     grid-column: auto;
     grid-row: span 3;
 }

 .autoRowSpanning2AutoColumnSpanning2 {
     background-color: olive;
     grid-column: span 2;
     grid-row: span 2;
 }

 .autoRowAutoColumnSpanningLine {
     background-color: indigo;
     grid-column: span line; /* This is treated as "span 1". */
     grid-row: auto;
 }

 .autoRowSpanningLineAutoColumn {
     background-color: moccasin;
     grid-column: auto;
     grid-row: span line; /* This is treated as "span 1". */
 }

 .autoRowAutoColumnSpanning2Line {
     background-color: sienna;
     grid-column: span 2 line; /* This is treated as "span 1". */
     grid-row: auto;
 }

 .autoRowSpanning2LineAutoColumn {
     background-color: tomato;
     grid-column: auto;
     grid-row: span 2 line; /* This is treated as "span 1". */
 }
 </style>
 <script src="../../resources/check-layout.js"></script>
 <body onload="checkLayout('.grid');">

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

 <div style="position: relative">
     <div class="grid gridAutoFlowRowSparse">
         <div class="sizedToGridArea autoRowAutoColumnSpanning2" data-offset-x="0" data-offset-y="0" data-expected-width="200" 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 class="sizedToGridArea autoRowAutoColumnSpanning2" data-offset-x="100" data-offset-y="50" data-expected-width="200" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning3" data-offset-x="0" data-offset-y="100" data-expected-width="300" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="0" data-offset-y="150" data-expected-width="200" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="200" data-offset-y="150" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="200" data-offset-y="200" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="0" data-offset-y="250" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="100" data-offset-y="250" data-expected-width="200" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="0" data-offset-y="300" data-expected-width="100" data-expected-height="50"></div>
     </div>
 </div>

 <div style="position: relative">
     <div class="grid gridAutoFlowRowDense">
         <div class="sizedToGridArea autoRowAutoColumnSpanning2" data-offset-x="0" data-offset-y="0" data-expected-width="200" 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 class="sizedToGridArea autoRowAutoColumnSpanning2" data-offset-x="100" data-offset-y="50" data-expected-width="200" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning3" data-offset-x="0" data-offset-y="100" data-expected-width="300" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="0" data-offset-y="150" data-expected-width="200" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="200" data-offset-y="150" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="200" data-offset-y="200" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="0" data-offset-y="250" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="100" data-offset-y="250" data-expected-width="200" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="0" data-offset-y="300" data-expected-width="100" data-expected-height="50"></div>
     </div>
 </div>

 <div style="position: relative">
     <div class="grid gridAutoFlowRowSparse">
         <div class="sizedToGridArea autoRowFirstColumn" data-offset-x="0" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSecondColumn" data-offset-x="100" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowThirdColumn" data-offset-x="200" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowFirstColumn" data-offset-x="0" data-offset-y="50" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning3" data-offset-x="0" data-offset-y="100" data-expected-width="300" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSecondColumn" data-offset-x="100" data-offset-y="150" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning2" data-offset-x="0" data-offset-y="200" data-expected-width="200" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning2" data-offset-x="0" data-offset-y="250" data-expected-width="200" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowFirstColumn" data-offset-x="0" data-offset-y="300" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning3" data-offset-x="0" data-offset-y="350" data-expected-width="300" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning2" data-offset-x="0" data-offset-y="400" data-expected-width="200" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="0" data-offset-y="450" data-expected-width="200" data-expected-height="100"></div>
     </div>
 </div>

 <div style="position: relative">
     <div class="grid gridAutoFlowRowDense">
         <div class="sizedToGridArea autoRowFirstColumn" data-offset-x="0" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSecondColumn" data-offset-x="100" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowThirdColumn" data-offset-x="200" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowFirstColumn" data-offset-x="0" data-offset-y="50" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning3" data-offset-x="0" data-offset-y="100" data-expected-width="300" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSecondColumn" data-offset-x="100" data-offset-y="50" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning2" data-offset-x="0" data-offset-y="150" data-expected-width="200" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning2" data-offset-x="0" data-offset-y="200" data-expected-width="200" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowFirstColumn" data-offset-x="0" data-offset-y="250" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning3" data-offset-x="0" data-offset-y="300" data-expected-width="300" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning2" data-offset-x="100" data-offset-y="250" data-expected-width="200" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="0" data-offset-y="350" data-expected-width="200" data-expected-height="100"></div>
     </div>
 </div>

 <div style="position: relative">
     <div class="grid gridAutoFlowRowSparse">
         <div class="sizedToGridArea autoRowSpanning2AutoColumn" data-offset-x="0" data-offset-y="0" data-expected-width="100" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowSecondColumn" data-offset-x="100" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowThirdColumn" data-offset-x="200" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="100" data-offset-y="50" data-expected-width="200" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowSpanning3AutoColumn" data-offset-x="0" data-offset-y="100" data-expected-width="100" data-expected-height="150"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="100" data-offset-y="150" data-expected-width="200" data-expected-height="100"></div>
     </div>
 </div>

 <div style="position: relative">
     <div class="grid gridAutoFlowRowDense">
         <div class="sizedToGridArea autoRowSpanning2AutoColumn" data-offset-x="0" data-offset-y="0" data-expected-width="100" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowSecondColumn" data-offset-x="100" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowThirdColumn" data-offset-x="200" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="100" data-offset-y="50" data-expected-width="200" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowSpanning3AutoColumn" data-offset-x="0" data-offset-y="100" data-expected-width="100" data-expected-height="150"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="100" data-offset-y="150" data-expected-width="200" data-expected-height="100"></div>
     </div>
 </div>

 <div style="position: relative">
     <div class="grid gridAutoFlowRowSparse gridNamedGridLinesColumns">
         <div class="sizedToGridArea autoRowFirstColumn" data-offset-x="0" data-offset-y="0" data-expected-width="50" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning2Line" data-offset-x="50" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSecondColumn" data-offset-x="50" data-offset-y="50" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning2Line" data-offset-x="150" data-offset-y="50" data-expected-width="200" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowThirdColumn" data-offset-x="150" data-offset-y="100" data-expected-width="200" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanningLine" data-offset-x="0" data-offset-y="150" data-expected-width="50" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning2Line" data-offset-x="50" data-offset-y="150" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowFirstColumn" data-offset-x="0" data-offset-y="200" data-expected-width="50" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanningLine" data-offset-x="50" data-offset-y="200" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowThirdColumn" data-offset-x="150" data-offset-y="200" data-expected-width="200" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanningLine" data-offset-x="0" data-offset-y="250" data-expected-width="50" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanningLine" data-offset-x="50" data-offset-y="250" data-expected-width="100" data-expected-height="50"></div>
     </div>
 </div>

 <div style="position: relative">
     <div class="grid gridAutoFlowRowDense gridNamedGridLinesColumns">
         <div class="sizedToGridArea autoRowFirstColumn" data-offset-x="0" data-offset-y="0" data-expected-width="50" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning2Line" data-offset-x="50" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSecondColumn" data-offset-x="50" data-offset-y="50" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning2Line" data-offset-x="150" data-offset-y="0" data-expected-width="200" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowThirdColumn" data-offset-x="150" data-offset-y="50" data-expected-width="200" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanningLine" data-offset-x="0" data-offset-y="50" data-expected-width="50" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning2Line" data-offset-x="0" data-offset-y="100" data-expected-width="50" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowFirstColumn" data-offset-x="0" data-offset-y="150" data-expected-width="50" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanningLine" data-offset-x="50" data-offset-y="100" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowThirdColumn" data-offset-x="150" data-offset-y="100" data-expected-width="200" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanningLine" data-offset-x="50" data-offset-y="150" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanningLine" data-offset-x="150" data-offset-y="150" data-expected-width="200" data-expected-height="50"></div>
     </div>
 </div>

 <div style="position: relative">
     <div class="grid gridAutoFlowColumnSparse">
         <div class="sizedToGridArea autoRowSpanning2AutoColumn" data-offset-x="0" data-offset-y="0" data-expected-width="100" data-expected-height="100"></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 class="sizedToGridArea autoRowSpanning2AutoColumn" data-offset-x="100" data-offset-y="50" data-expected-width="100" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowSpanning3AutoColumn" data-offset-x="200" data-offset-y="0" data-expected-width="100" data-expected-height="150"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="300" data-offset-y="0" data-expected-width="200" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="300" data-offset-y="100" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="400" data-offset-y="100" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="500" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="500" data-offset-y="50" data-expected-width="200" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="600" 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 autoRowSpanning2AutoColumn" data-offset-x="0" data-offset-y="0" data-expected-width="100" data-expected-height="100"></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 class="sizedToGridArea autoRowSpanning2AutoColumn" data-offset-x="100" data-offset-y="50" data-expected-width="100" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowSpanning3AutoColumn" data-offset-x="200" data-offset-y="0" data-expected-width="100" data-expected-height="150"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="300" data-offset-y="0" data-expected-width="200" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="300" data-offset-y="100" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="400" data-offset-y="100" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="500" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="500" data-offset-y="50" data-expected-width="200" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowAutoColumn" data-offset-x="600" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
     </div>
 </div>

 <div style="position: relative">
     <div class="grid gridAutoFlowColumnSparse">
         <div class="sizedToGridArea firstRowAutoColumn" data-offset-x="0" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea secondRowAutoColumn" data-offset-x="0" data-offset-y="50" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea thirdRowAutoColumn" data-offset-x="0" data-offset-y="100" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea firstRowAutoColumn" data-offset-x="100" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning3AutoColumn" data-offset-x="200" data-offset-y="0" data-expected-width="100" data-expected-height="150"></div>
         <div class="sizedToGridArea secondRowAutoColumn" data-offset-x="300" data-offset-y="50" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumn" data-offset-x="400" data-offset-y="0" data-expected-width="100" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumn" data-offset-x="500" data-offset-y="0" data-expected-width="100" data-expected-height="100"></div>
         <div class="sizedToGridArea firstRowAutoColumn" data-offset-x="600" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning3AutoColumn" data-offset-x="700" data-offset-y="0" data-expected-width="100" data-expected-height="150"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumn" data-offset-x="800" data-offset-y="0" data-expected-width="100" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="900" data-offset-y="0" data-expected-width="200" data-expected-height="100"></div>
     </div>
 </div>

 <div style="position: relative">
     <div class="grid gridAutoFlowColumnDense">
         <div class="sizedToGridArea firstRowAutoColumn" data-offset-x="0" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea secondRowAutoColumn" data-offset-x="0" data-offset-y="50" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea thirdRowAutoColumn" data-offset-x="0" data-offset-y="100" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea firstRowAutoColumn" data-offset-x="100" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning3AutoColumn" data-offset-x="200" data-offset-y="0" data-expected-width="100" data-expected-height="150"></div>
         <div class="sizedToGridArea secondRowAutoColumn" data-offset-x="100" data-offset-y="50" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumn" data-offset-x="300" data-offset-y="0" data-expected-width="100" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumn" data-offset-x="400" data-offset-y="0" data-expected-width="100" data-expected-height="100"></div>
         <div class="sizedToGridArea firstRowAutoColumn" data-offset-x="500" data-offset-y="0" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning3AutoColumn" data-offset-x="600" data-offset-y="0" data-expected-width="100" data-expected-height="150"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumn" data-offset-x="500" data-offset-y="50" data-expected-width="100" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="700" data-offset-y="0" data-expected-width="200" data-expected-height="100"></div>
     </div>
 </div>

 <div style="position: relative">
     <div class="grid gridAutoFlowColumnSparse">
         <div class="sizedToGridArea autoRowAutoColumnSpanning2" data-offset-x="0" data-offset-y="0" data-expected-width="200" data-expected-height="50"></div>
         <div class="sizedToGridArea secondRowAutoColumn" data-offset-x="0" data-offset-y="50" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea thirdRowAutoColumn" data-offset-x="0" data-offset-y="100" data-expected-width="100" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="100" data-offset-y="50" data-expected-width="200" data-expected-height="100"></div>
         <div class="sizedToGridArea autoRowAutoColumnSpanning3" data-offset-x="200" data-offset-y="0" data-expected-width="300" data-expected-height="50"></div>
         <div class="sizedToGridArea autoRowSpanning2AutoColumnSpanning2" data-offset-x="300" data-offset-y="50" data-expected-width="200" data-expected-height="100"></div>
     </div>
 </div>

 <div style="position: relative">
     <div class="grid gridAutoFlowColumnDense">
         <div class="sizedToGridArea autoRowAutoColumnSpanning2" data-offset-x="0" data-offset-y="0" data-expected-width="200" data-expected-height="50"></div>
         <div class="sizedToGridArea secondRowAutoColumn" data-offset-x="0" data-offset-y="50" data-expected-width="100" data-expected-height="50"></div>
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