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diff --git a/accessible/tests/mochitest/table/test_headers_ariagrid.html b/accessible/tests/mochitest/table/test_headers_ariagrid.html
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@@ -0,0 +1,183 @@
+<!DOCTYPE HTML PUBLIC "-//w3c//dtd html 4.0 transitional//en">
+<html>
+<head>
+  <title>Table header information cells for ARIA grid</title>
+  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
+  <link rel="stylesheet" type="text/css"
+        href="chrome://mochikit/content/tests/SimpleTest/test.css" />
+
+  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+
+  <script type="application/javascript"
+          src="../common.js"></script>
+  <script type="application/javascript"
+          src="../table.js"></script>
+
+  <script type="application/javascript">
+
+    function doTest() {
+      // ////////////////////////////////////////////////////////////////////////
+      // column and row headers from markup
+
+      let headerInfoMap = [
+        {
+          cell: "table_dc_1",
+          rowHeaderCells: [ "table_rh_1" ],
+          columnHeaderCells: [ "table_ch_2" ],
+        },
+        {
+          cell: "table_dc_2",
+          rowHeaderCells: [ "table_rh_1" ],
+          columnHeaderCells: [ "table_ch_3" ],
+        },
+        {
+          cell: "table_dc_3",
+          rowHeaderCells: [ "table_rh_2" ],
+          columnHeaderCells: [ "table_ch_2" ],
+        },
+        {
+          cell: "table_dc_4",
+          rowHeaderCells: [ "table_rh_2" ],
+          columnHeaderCells: [ "table_ch_3" ],
+        },
+        {
+          cell: "table_rh_1",
+          rowHeaderCells: [],
+          columnHeaderCells: [ "table_ch_1" ],
+        },
+        {
+          cell: "table_rh_2",
+          rowHeaderCells: [],
+          columnHeaderCells: [ "table_ch_1" ],
+        },
+      ];
+
+      testHeaderCells(headerInfoMap);
+
+
+      // ////////////////////////////////////////////////////////////////////////
+      // column and row headers from markup for grid.
+
+      headerInfoMap = [
+        {
+          // not focusable cell (ARIAGridCellAccessible is used)
+          cell: "table2_dc_1",
+          rowHeaderCells: [],
+          columnHeaderCells: [ "table2_ch_1" ],
+        },
+        {
+          // focusable cell (ARIAGridCellAccessible is used)
+          cell: "table2_dc_2",
+          rowHeaderCells: [],
+          columnHeaderCells: [ "table2_ch_2" ],
+        },
+      ];
+
+      testHeaderCells(headerInfoMap);
+
+
+      // ////////////////////////////////////////////////////////////////////////
+      // column and row headers from markup for one more grid.
+
+      headerInfoMap = [
+        {
+          // ARIAGridCellAccessible is used
+          cell: "t3_dc_1",
+          rowHeaderCells: [ "t3_rh_1" ],
+          columnHeaderCells: [ ],
+        },
+        {
+          // ARIAGridCellAccessible is used (inside rowgroup)
+          cell: "t3_dc_2",
+          rowHeaderCells: [ "t3_rh_2" ],
+          columnHeaderCells: [ ],
+        },
+      ];
+
+      testHeaderCells(headerInfoMap);
+
+      SimpleTest.finish();
+    }
+
+    SimpleTest.waitForExplicitFinish();
+    addA11yLoadEvent(doTest);
+  </script>
+</head>
+
+<body>
+  <a target="_blank"
+     title="implement IAccessibleTable2"
+     href="https://bugzilla.mozilla.org/show_bug.cgi?id=512424">Mozilla Bug 512424</a>
+  <a target="_blank"
+     title="nsHTMLTableCellAccessible is used in dojo's ARIA grid"
+     href="https://bugzilla.mozilla.org/show_bug.cgi?id=513848">Mozilla Bug 513848</a>
+
+  <p id="display"></p>
+  <div id="content" style="display: none"></div>
+  <pre id="test">
+  </pre>
+
+  <div role="grid">
+    <div role="row">
+      <span id="table_ch_1" role="columnheader">col_1</span>
+      <span id="table_ch_2" role="columnheader">col_2</span>
+      <span id="table_ch_3" role="columnheader">col_3</span>
+    </div>
+    <div role="row">
+      <span id="table_rh_1" role="rowheader">row_1</span>
+      <span id="table_dc_1" role="gridcell">cell1</span>
+      <span id="table_dc_2" role="gridcell">cell2</span>
+    </div>
+    <div role="row">
+      <span id="table_rh_2" role="rowheader">row_2</span>
+      <span id="table_dc_3" role="gridcell">cell3</span>
+      <span id="table_dc_4" role="gridcell">cell4</span>
+    </div>
+  </div>
+
+  <div role="grid">
+    <div role="row">
+      <table role="presentation">
+        <tr>
+          <td id="table2_ch_1" role="columnheader">header1</td>
+          <td id="table2_ch_2" role="columnheader">header2</td>
+        </tr>
+      </table>
+    </div>
+    <div role="row">
+      <table role="presentation">
+        <tr>
+          <td id="table2_dc_1" role="gridcell">cell1</td>
+          <td id="table2_dc_2" role="gridcell" tabindex="-1">cell2</td>
+        </tr>
+      </table>
+    </div>
+  </div>
+
+  <div role="grid">
+    <table role="presentation">
+      <tbody role="presentation">
+        <tr role="row">
+          <th id="t3_rh_1" role="rowheader">Row 1</th>
+          <td id="t3_dc_1" role="gridcell" tabindex="-1">
+            Apple Inc.
+          </td>
+        </tr>
+      </tbody>
+    </table>
+    <div role="rowgroup" tabindex="0">
+      <table role="presentation">
+        <tbody role="presentation">
+          <tr role="row">
+            <th id="t3_rh_2" role="rowheader">Row 2</th>
+            <td id="t3_dc_2" role="gridcell" tabindex="-1">
+              Apple-Shmapple Inc.
+            </td>
+          </tr>
+        </tbody>
+      </table>
+    </div>
+  </div>
+
+</body>
+</html>