Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1033 insertions, 0 deletions

diff --git a/accessible/tests/mochitest/table.js b/accessible/tests/mochitest/table.js
new file mode 100644
index 0000000000..83fdf1e207
--- /dev/null
+++ b/accessible/tests/mochitest/table.js
@@ -0,0 +1,1033 @@
+/**
+ * This file provides set of helper functions to test nsIAccessibleTable
+ * interface.
+ *
+ * Required:
+ *   common.js
+ *   role.js
+ *   states.js
+ */
+/* import-globals-from common.js */
+/* import-globals-from role.js */
+/* import-globals-from states.js */
+
+/**
+ * Constants used to describe cells array.
+ */
+const kDataCell = 1; // Indicates the cell is origin data cell
+const kRowHeaderCell = 2; // Indicates the cell is row header cell
+const kColHeaderCell = 4; // Indicated the cell is column header cell
+const kOrigin = kDataCell | kRowHeaderCell | kColHeaderCell;
+
+const kRowSpanned = 8; // Indicates the cell is not origin and row spanned
+const kColSpanned = 16; // Indicates the cell is not origin and column spanned
+const kSpanned = kRowSpanned | kColSpanned;
+
+/**
+ * Constants to define column header type.
+ */
+const kNoColumnHeader = 0;
+const kListboxColumnHeader = 1;
+const kTreeColumnHeader = 2;
+
+/**
+ * Constants to define table type.
+ */
+const kTable = 0;
+const kTreeTable = 1;
+const kMathTable = 2;
+
+/**
+ * Test table structure and related methods.
+ *
+ * @param  aIdentifier     [in] table accessible identifier
+ * @param  aCellsArray     [in] two dimensional array (row X columns) of
+ *                          cell types (see constants defined above).
+ * @param  aColHeaderType  [in] specifies wether column header cells are
+ *                          arranged into the list.
+ * @param  aCaption        [in] caption text if any
+ * @param  aSummary        [in] summary text if any
+ * @param  aTableType      [in] specifies the table type.
+ * @param  aRowRoles       [in] array of row roles.
+ */
+function testTableStruct(
+  aIdentifier,
+  aCellsArray,
+  aColHeaderType,
+  aCaption,
+  aSummary,
+  aTableType,
+  aRowRoles
+) {
+  var tableNode = getNode(aIdentifier);
+  var isGrid =
+    tableNode.getAttribute("role") == "grid" ||
+    tableNode.getAttribute("role") == "treegrid" ||
+    tableNode.localName == "tree";
+
+  var rowCount = aCellsArray.length;
+  var colsCount = aCellsArray[0] ? aCellsArray[0].length : 0;
+
+  // Test table accessible tree.
+  var tableObj = {
+    children: [],
+  };
+  switch (aTableType) {
+    case kTable:
+      tableObj.role = ROLE_TABLE;
+      break;
+    case kTreeTable:
+      tableObj.role = ROLE_TREE_TABLE;
+      break;
+    case kMathTable:
+      tableObj.role = ROLE_MATHML_TABLE;
+      break;
+  }
+
+  // caption accessible handling
+  if (aCaption) {
+    var captionObj = {
+      role: ROLE_CAPTION,
+      children: [
+        {
+          role: ROLE_TEXT_LEAF,
+          name: aCaption,
+        },
+      ],
+    };
+
+    tableObj.children.push(captionObj);
+  }
+
+  // special types of column headers handling
+  if (aColHeaderType) {
+    var headersObj = {
+      role: ROLE_LIST,
+      children: [],
+    };
+
+    for (let idx = 0; idx < colsCount; idx++) {
+      var headerCellObj = {
+        role: ROLE_COLUMNHEADER,
+      };
+      headersObj.children.push(headerCellObj);
+    }
+
+    if (aColHeaderType == kTreeColumnHeader) {
+      var columnPickerObj = {
+        role: ROLE_PUSHBUTTON,
+      };
+
+      headersObj.children.push(columnPickerObj);
+    }
+
+    tableObj.children.push(headersObj);
+  }
+
+  // rows and cells accessibles
+  for (let rowIdx = 0; rowIdx < rowCount; rowIdx++) {
+    let rowObj = {
+      role: aRowRoles ? aRowRoles[rowIdx] : ROLE_ROW,
+      children: [],
+    };
+
+    for (let colIdx = 0; colIdx < colsCount; colIdx++) {
+      let celltype = aCellsArray[rowIdx][colIdx];
+
+      var role = ROLE_NOTHING;
+      switch (celltype) {
+        case kDataCell:
+          role =
+            aTableType == kMathTable
+              ? ROLE_MATHML_CELL
+              : isGrid
+              ? ROLE_GRID_CELL
+              : ROLE_CELL;
+          break;
+        case kRowHeaderCell:
+          role = ROLE_ROWHEADER;
+          break;
+        case kColHeaderCell:
+          role = ROLE_COLUMNHEADER;
+          break;
+      }
+
+      if (role != ROLE_NOTHING) {
+        var cellObj = { role };
+        rowObj.children.push(cellObj);
+      }
+    }
+
+    tableObj.children.push(rowObj);
+  }
+
+  testAccessibleTree(aIdentifier, tableObj);
+
+  // Test table table interface.
+  var table = getAccessible(aIdentifier, [nsIAccessibleTable]);
+
+  // summary
+  if (aSummary) {
+    is(
+      table.summary,
+      aSummary,
+      "Wrong summary of the table " + prettyName(aIdentifier)
+    );
+  }
+
+  // rowCount and columnCount
+  is(
+    table.rowCount,
+    rowCount,
+    "Wrong rows count of " + prettyName(aIdentifier)
+  );
+  is(
+    table.columnCount,
+    colsCount,
+    "Wrong columns count of " + prettyName(aIdentifier)
+  );
+
+  // rows and columns extents
+  for (let rowIdx = 0; rowIdx < rowCount; rowIdx++) {
+    for (let colIdx = 0; colIdx < colsCount; colIdx++) {
+      let celltype = aCellsArray[rowIdx][colIdx];
+      if (celltype & kOrigin) {
+        // table getRowExtentAt
+        var rowExtent = table.getRowExtentAt(rowIdx, colIdx);
+        let idx;
+        /* eslint-disable no-empty */
+        for (
+          idx = rowIdx + 1;
+          idx < rowCount && aCellsArray[idx][colIdx] & kRowSpanned;
+          idx++
+        ) {}
+        /* eslint-enable no-empty */
+
+        var expectedRowExtent = idx - rowIdx;
+        is(
+          rowExtent,
+          expectedRowExtent,
+          "getRowExtentAt: Wrong number of spanned rows at (" +
+            rowIdx +
+            ", " +
+            colIdx +
+            ") for " +
+            prettyName(aIdentifier)
+        );
+
+        // table getColumnExtentAt
+        var colExtent = table.getColumnExtentAt(rowIdx, colIdx);
+        /* eslint-disable no-empty */
+        for (
+          idx = colIdx + 1;
+          idx < colsCount && aCellsArray[rowIdx][idx] & kColSpanned;
+          idx++
+        ) {}
+        /* eslint-enable no-empty */
+
+        var expectedColExtent = idx - colIdx;
+        is(
+          colExtent,
+          expectedColExtent,
+          "getColumnExtentAt: Wrong number of spanned columns at (" +
+            rowIdx +
+            ", " +
+            colIdx +
+            ") for " +
+            prettyName(aIdentifier)
+        );
+
+        // cell rowExtent and columnExtent
+        var cell = getAccessible(table.getCellAt(rowIdx, colIdx), [
+          nsIAccessibleTableCell,
+        ]);
+
+        is(
+          cell.rowExtent,
+          expectedRowExtent,
+          "rowExtent: Wrong number of spanned rows at (" +
+            rowIdx +
+            ", " +
+            colIdx +
+            ") for " +
+            prettyName(aIdentifier)
+        );
+
+        is(
+          cell.columnExtent,
+          expectedColExtent,
+          "columnExtent: Wrong number of spanned column at (" +
+            rowIdx +
+            ", " +
+            colIdx +
+            ") for " +
+            prettyName(aIdentifier)
+        );
+      }
+    }
+  }
+}
+
+/**
+ * Test table indexes.
+ *
+ * @param  aIdentifier  [in] table accessible identifier
+ * @param  aIdxes       [in] two dimensional array of cell indexes
+ */
+function testTableIndexes(aIdentifier, aIdxes) {
+  var tableAcc = getAccessible(aIdentifier, [nsIAccessibleTable]);
+  if (!tableAcc) {
+    return;
+  }
+
+  var obtainedRowIdx, obtainedColIdx, obtainedIdx;
+  var cellAcc;
+
+  var id = prettyName(aIdentifier);
+
+  var rowCount = aIdxes.length;
+  for (var rowIdx = 0; rowIdx < rowCount; rowIdx++) {
+    var colCount = aIdxes[rowIdx].length;
+    for (var colIdx = 0; colIdx < colCount; colIdx++) {
+      var idx = aIdxes[rowIdx][colIdx];
+
+      // getCellAt
+      try {
+        cellAcc = null;
+        cellAcc = tableAcc.getCellAt(rowIdx, colIdx);
+      } catch (e) {}
+
+      ok(
+        (idx != -1 && cellAcc) || (idx == -1 && !cellAcc),
+        id +
+          ": Can't get cell accessible at row = " +
+          rowIdx +
+          ", column = " +
+          colIdx
+      );
+
+      if (idx != -1) {
+        // getRowIndexAt
+        var origRowIdx = rowIdx;
+        while (
+          origRowIdx > 0 &&
+          aIdxes[rowIdx][colIdx] == aIdxes[origRowIdx - 1][colIdx]
+        ) {
+          origRowIdx--;
+        }
+
+        try {
+          obtainedRowIdx = tableAcc.getRowIndexAt(idx);
+        } catch (e) {
+          ok(
+            false,
+            id + ": can't get row index for cell index " + idx + "," + e
+          );
+        }
+
+        is(
+          obtainedRowIdx,
+          origRowIdx,
+          id + ": row for index " + idx + " is not correct (getRowIndexAt)"
+        );
+
+        // getColumnIndexAt
+        var origColIdx = colIdx;
+        while (
+          origColIdx > 0 &&
+          aIdxes[rowIdx][colIdx] == aIdxes[rowIdx][origColIdx - 1]
+        ) {
+          origColIdx--;
+        }
+
+        try {
+          obtainedColIdx = tableAcc.getColumnIndexAt(idx);
+        } catch (e) {
+          ok(
+            false,
+            id + ": can't get column index for cell index " + idx + "," + e
+          );
+        }
+
+        is(
+          obtainedColIdx,
+          origColIdx,
+          id +
+            ": column  for index " +
+            idx +
+            " is not correct (getColumnIndexAt)"
+        );
+
+        // getRowAndColumnIndicesAt
+        var obtainedRowIdxObj = {},
+          obtainedColIdxObj = {};
+        try {
+          tableAcc.getRowAndColumnIndicesAt(
+            idx,
+            obtainedRowIdxObj,
+            obtainedColIdxObj
+          );
+        } catch (e) {
+          ok(
+            false,
+            id +
+              ": can't get row and column indices for cell index " +
+              idx +
+              "," +
+              e
+          );
+        }
+
+        is(
+          obtainedRowIdxObj.value,
+          origRowIdx,
+          id +
+            ": row for index " +
+            idx +
+            " is not correct (getRowAndColumnIndicesAt)"
+        );
+        is(
+          obtainedColIdxObj.value,
+          origColIdx,
+          id +
+            ": column  for index " +
+            idx +
+            " is not correct (getRowAndColumnIndicesAt)"
+        );
+
+        if (cellAcc) {
+          var cellId = prettyName(cellAcc);
+          cellAcc = getAccessible(cellAcc, [nsIAccessibleTableCell]);
+
+          // cell: 'table-cell-index' attribute
+          var attrs = cellAcc.attributes;
+          var strIdx = "";
+          try {
+            strIdx = attrs.getStringProperty("table-cell-index");
+          } catch (e) {
+            ok(
+              false,
+              cellId +
+                ": no cell index from object attributes on the cell accessible at index " +
+                idx +
+                "."
+            );
+          }
+
+          if (strIdx) {
+            is(
+              parseInt(strIdx),
+              idx,
+              cellId +
+                ": cell index from object attributes of cell accessible isn't corrent."
+            );
+          }
+
+          // cell: table
+          try {
+            is(
+              cellAcc.table,
+              tableAcc,
+              cellId + ": wrong table accessible for the cell."
+            );
+          } catch (e) {
+            ok(false, cellId + ": can't get table accessible from the cell.");
+          }
+
+          // cell: getRowIndex
+          try {
+            obtainedRowIdx = cellAcc.rowIndex;
+          } catch (e) {
+            ok(
+              false,
+              cellId +
+                ": can't get row index of the cell at index " +
+                idx +
+                "," +
+                e
+            );
+          }
+
+          is(
+            obtainedRowIdx,
+            origRowIdx,
+            cellId + ": row for the cell at index " + idx + " is not correct"
+          );
+
+          // cell: getColumnIndex
+          try {
+            obtainedColIdx = cellAcc.columnIndex;
+          } catch (e) {
+            ok(
+              false,
+              cellId +
+                ": can't get column index of the cell at index " +
+                idx +
+                "," +
+                e
+            );
+          }
+
+          is(
+            obtainedColIdx,
+            origColIdx,
+            id + ": column for the cell at index " + idx + " is not correct"
+          );
+        }
+      }
+
+      // getCellIndexAt
+      try {
+        obtainedIdx = tableAcc.getCellIndexAt(rowIdx, colIdx);
+      } catch (e) {
+        obtainedIdx = -1;
+      }
+
+      is(
+        obtainedIdx,
+        idx,
+        id +
+          ": row " +
+          rowIdx +
+          " /column " +
+          colIdx +
+          " and index " +
+          obtainedIdx +
+          " aren't inconsistent."
+      );
+    }
+  }
+}
+
+/**
+ * Test table getters selection methods.
+ *
+ * @param  aIdentifier  [in] table accessible identifier
+ * @param  aCellsArray  [in] two dimensional array (row X columns) of cells
+ *                       states (either boolean (selected/unselected) if cell is
+ *                       origin, otherwise kRowSpanned or kColSpanned constant).
+ * @param  aMsg         [in] text appended before every message
+ */
+function testTableSelection(aIdentifier, aCellsArray, aMsg) {
+  var msg = aMsg ? aMsg : "";
+  var acc = getAccessible(aIdentifier, [nsIAccessibleTable]);
+  if (!acc) {
+    return;
+  }
+
+  var rowCount = aCellsArray.length;
+  var colsCount = aCellsArray[0].length;
+
+  // Columns selection tests.
+  var selCols = [];
+
+  // isColumnSelected test
+  for (let colIdx = 0; colIdx < colsCount; colIdx++) {
+    var isColSelected = true;
+    for (let rowIdx = 0; rowIdx < rowCount; rowIdx++) {
+      if (
+        !aCellsArray[rowIdx][colIdx] ||
+        aCellsArray[rowIdx][colIdx] == undefined
+      ) {
+        isColSelected = false;
+        break;
+      }
+    }
+
+    is(
+      acc.isColumnSelected(colIdx),
+      isColSelected,
+      msg +
+        "Wrong selection state of " +
+        colIdx +
+        " column for " +
+        prettyName(aIdentifier)
+    );
+
+    if (isColSelected) {
+      selCols.push(colIdx);
+    }
+  }
+
+  // selectedColsCount test
+  is(
+    acc.selectedColumnCount,
+    selCols.length,
+    msg + "Wrong count of selected columns for " + prettyName(aIdentifier)
+  );
+
+  // getSelectedColumns test
+  var actualSelCols = acc.getSelectedColumnIndices();
+
+  var actualSelColsCount = actualSelCols.length;
+  is(
+    actualSelColsCount,
+    selCols.length,
+    msg +
+      "Wrong count of selected columns for " +
+      prettyName(aIdentifier) +
+      "from getSelectedColumns."
+  );
+
+  for (let i = 0; i < actualSelColsCount; i++) {
+    is(
+      actualSelCols[i],
+      selCols[i],
+      msg + "Column at index " + selCols[i] + " should be selected."
+    );
+  }
+
+  // Rows selection tests.
+  var selRows = [];
+
+  // isRowSelected test
+  for (let rowIdx = 0; rowIdx < rowCount; rowIdx++) {
+    var isRowSelected = true;
+    for (let colIdx = 0; colIdx < colsCount; colIdx++) {
+      if (
+        !aCellsArray[rowIdx][colIdx] ||
+        aCellsArray[rowIdx][colIdx] == undefined
+      ) {
+        isRowSelected = false;
+        break;
+      }
+    }
+
+    is(
+      acc.isRowSelected(rowIdx),
+      isRowSelected,
+      msg +
+        "Wrong selection state of " +
+        rowIdx +
+        " row for " +
+        prettyName(aIdentifier)
+    );
+
+    if (isRowSelected) {
+      selRows.push(rowIdx);
+    }
+  }
+
+  // selectedRowCount test
+  is(
+    acc.selectedRowCount,
+    selRows.length,
+    msg + "Wrong count of selected rows for " + prettyName(aIdentifier)
+  );
+
+  // getSelectedRows test
+  var actualSelRows = acc.getSelectedRowIndices();
+
+  var actualSelrowCount = actualSelRows.length;
+  is(
+    actualSelrowCount,
+    selRows.length,
+    msg +
+      "Wrong count of selected rows for " +
+      prettyName(aIdentifier) +
+      "from getSelectedRows."
+  );
+
+  for (let i = 0; i < actualSelrowCount; i++) {
+    is(
+      actualSelRows[i],
+      selRows[i],
+      msg + "Row at index " + selRows[i] + " should be selected."
+    );
+  }
+
+  // Cells selection tests.
+  var selCells = [];
+
+  // isCellSelected test
+  for (let rowIdx = 0; rowIdx < rowCount; rowIdx++) {
+    for (let colIdx = 0; colIdx < colsCount; colIdx++) {
+      if (aCellsArray[rowIdx][colIdx] & kSpanned) {
+        continue;
+      }
+
+      var isSelected = !!aCellsArray[rowIdx][colIdx];
+      is(
+        acc.isCellSelected(rowIdx, colIdx),
+        isSelected,
+        msg +
+          "Wrong selection state of cell at " +
+          rowIdx +
+          " row and " +
+          colIdx +
+          " column for " +
+          prettyName(aIdentifier)
+      );
+
+      if (aCellsArray[rowIdx][colIdx]) {
+        selCells.push(acc.getCellIndexAt(rowIdx, colIdx));
+      }
+    }
+  }
+
+  // selectedCellCount tests
+  is(
+    acc.selectedCellCount,
+    selCells.length,
+    msg + "Wrong count of selected cells for " + prettyName(aIdentifier)
+  );
+
+  // getSelectedCellIndices test
+  var actualSelCells = acc.getSelectedCellIndices();
+
+  var actualSelCellsCount = actualSelCells.length;
+  is(
+    actualSelCellsCount,
+    selCells.length,
+    msg +
+      "Wrong count of selected cells for " +
+      prettyName(aIdentifier) +
+      "from getSelectedCells."
+  );
+
+  for (let i = 0; i < actualSelCellsCount; i++) {
+    is(
+      actualSelCells[i],
+      selCells[i],
+      msg +
+        "getSelectedCellIndices: Cell at index " +
+        selCells[i] +
+        " should be selected."
+    );
+  }
+
+  // selectedCells and isSelected tests
+  var actualSelCellsArray = acc.selectedCells;
+  for (let i = 0; i < actualSelCellsCount; i++) {
+    var actualSelCellAccessible = actualSelCellsArray.queryElementAt(
+      i,
+      nsIAccessibleTableCell
+    );
+
+    let colIdx = acc.getColumnIndexAt(selCells[i]);
+    let rowIdx = acc.getRowIndexAt(selCells[i]);
+    var expectedSelCellAccessible = acc.getCellAt(rowIdx, colIdx);
+
+    is(
+      actualSelCellAccessible,
+      expectedSelCellAccessible,
+      msg +
+        "getSelectedCells: Cell at index " +
+        selCells[i] +
+        " should be selected."
+    );
+
+    ok(
+      actualSelCellAccessible.isSelected(),
+      "isSelected: Cell at index " + selCells[i] + " should be selected."
+    );
+  }
+
+  // selected states tests
+  for (let rowIdx = 0; rowIdx < rowCount; rowIdx++) {
+    for (let colIdx = 0; colIdx < colsCount; colIdx++) {
+      if (aCellsArray[rowIdx][colIdx] & kSpanned) {
+        continue;
+      }
+
+      var cell = acc.getCellAt(rowIdx, colIdx);
+      var isSel = aCellsArray[rowIdx][colIdx];
+      if (isSel == undefined) {
+        testStates(cell, 0, 0, STATE_SELECTABLE | STATE_SELECTED);
+      } else if (isSel) {
+        testStates(cell, STATE_SELECTED);
+      } else {
+        testStates(cell, STATE_SELECTABLE, 0, STATE_SELECTED);
+      }
+    }
+  }
+}
+
+/**
+ * Test unselectColumn method of accessible table.
+ */
+function testUnselectTableColumn(aIdentifier, aColIdx, aCellsArray) {
+  var acc = getAccessible(aIdentifier, [nsIAccessibleTable]);
+  if (!acc) {
+    return;
+  }
+
+  var rowCount = aCellsArray.length;
+  for (var rowIdx = 0; rowIdx < rowCount; rowIdx++) {
+    // Unselect origin cell.
+    var [origRowIdx, origColIdx] = getOrigRowAndColumn(
+      aCellsArray,
+      rowIdx,
+      aColIdx
+    );
+    aCellsArray[origRowIdx][origColIdx] = false;
+  }
+
+  acc.unselectColumn(aColIdx);
+  testTableSelection(
+    aIdentifier,
+    aCellsArray,
+    "Unselect " + aColIdx + " column: "
+  );
+}
+
+/**
+ * Test selectColumn method of accessible table.
+ */
+function testSelectTableColumn(aIdentifier, aColIdx, aCellsArray) {
+  var acc = getAccessible(aIdentifier, [nsIAccessibleTable]);
+  if (!acc) {
+    return;
+  }
+
+  var rowCount = aCellsArray.length;
+  var colsCount = aCellsArray[0].length;
+
+  for (var rowIdx = 0; rowIdx < rowCount; rowIdx++) {
+    for (var colIdx = 0; colIdx < colsCount; colIdx++) {
+      var cellState = aCellsArray[rowIdx][colIdx];
+
+      if (colIdx == aColIdx) {
+        // select target column
+        if (!(cellState & kSpanned)) {
+          // Select the cell if it is origin.
+          aCellsArray[rowIdx][colIdx] = true;
+        } else {
+          // If the cell is spanned then search origin cell and select it.
+          var [origRowIdx, origColIdx] = getOrigRowAndColumn(
+            aCellsArray,
+            rowIdx,
+            colIdx
+          );
+          aCellsArray[origRowIdx][origColIdx] = true;
+        }
+      } else if (!(cellState & kSpanned)) {
+        // unselect other columns
+        if (colIdx > aColIdx) {
+          // Unselect the cell if traversed column index is greater than column
+          // index of target cell.
+          aCellsArray[rowIdx][colIdx] = false;
+        } else if (!(aCellsArray[rowIdx][aColIdx] & kColSpanned)) {
+          // Unselect the cell if the target cell is not row spanned.
+          aCellsArray[rowIdx][colIdx] = false;
+        } else {
+          // Unselect the cell if it is not spanned to the target cell.
+          for (
+            var spannedColIdx = colIdx + 1;
+            spannedColIdx < aColIdx;
+            spannedColIdx++
+          ) {
+            var spannedCellState = aCellsArray[rowIdx][spannedColIdx];
+            if (!(spannedCellState & kRowSpanned)) {
+              aCellsArray[rowIdx][colIdx] = false;
+              break;
+            }
+          }
+        }
+      }
+    }
+  }
+
+  acc.selectColumn(aColIdx);
+  testTableSelection(
+    aIdentifier,
+    aCellsArray,
+    "Select " + aColIdx + " column: "
+  );
+}
+
+/**
+ * Test unselectRow method of accessible table.
+ */
+function testUnselectTableRow(aIdentifier, aRowIdx, aCellsArray) {
+  var acc = getAccessible(aIdentifier, [nsIAccessibleTable]);
+  if (!acc) {
+    return;
+  }
+
+  var colsCount = aCellsArray[0].length;
+  for (var colIdx = 0; colIdx < colsCount; colIdx++) {
+    // Unselect origin cell.
+    var [origRowIdx, origColIdx] = getOrigRowAndColumn(
+      aCellsArray,
+      aRowIdx,
+      colIdx
+    );
+    aCellsArray[origRowIdx][origColIdx] = false;
+  }
+
+  acc.unselectRow(aRowIdx);
+  testTableSelection(
+    aIdentifier,
+    aCellsArray,
+    "Unselect " + aRowIdx + " row: "
+  );
+}
+
+/**
+ * Test selectRow method of accessible table.
+ */
+function testSelectTableRow(aIdentifier, aRowIdx, aCellsArray) {
+  var acc = getAccessible(aIdentifier, [nsIAccessibleTable]);
+  if (!acc) {
+    return;
+  }
+
+  var rowCount = aCellsArray.length;
+  var colsCount = aCellsArray[0].length;
+
+  for (var rowIdx = 0; rowIdx < rowCount; rowIdx++) {
+    for (var colIdx = 0; colIdx < colsCount; colIdx++) {
+      var cellState = aCellsArray[rowIdx][colIdx];
+
+      if (rowIdx == aRowIdx) {
+        // select the given row
+        if (!(cellState & kSpanned)) {
+          // Select the cell if it is origin.
+          aCellsArray[rowIdx][colIdx] = true;
+        } else {
+          // If the cell is spanned then search origin cell and select it.
+          var [origRowIdx, origColIdx] = getOrigRowAndColumn(
+            aCellsArray,
+            rowIdx,
+            colIdx
+          );
+
+          aCellsArray[origRowIdx][origColIdx] = true;
+        }
+      } else if (!(cellState & kSpanned)) {
+        // unselect other rows
+        if (rowIdx > aRowIdx) {
+          // Unselect the cell if traversed row index is greater than row
+          // index of target cell.
+          aCellsArray[rowIdx][colIdx] = false;
+        } else if (!(aCellsArray[aRowIdx][colIdx] & kRowSpanned)) {
+          // Unselect the cell if the target cell is not row spanned.
+          aCellsArray[rowIdx][colIdx] = false;
+        } else {
+          // Unselect the cell if it is not spanned to the target cell.
+          for (
+            var spannedRowIdx = rowIdx + 1;
+            spannedRowIdx < aRowIdx;
+            spannedRowIdx++
+          ) {
+            var spannedCellState = aCellsArray[spannedRowIdx][colIdx];
+            if (!(spannedCellState & kRowSpanned)) {
+              aCellsArray[rowIdx][colIdx] = false;
+              break;
+            }
+          }
+        }
+      }
+    }
+  }
+
+  acc.selectRow(aRowIdx);
+  testTableSelection(aIdentifier, aCellsArray, "Select " + aRowIdx + " row: ");
+}
+
+/**
+ * Test columnHeaderCells and rowHeaderCells of accessible table.
+ */
+function testHeaderCells(aHeaderInfoMap) {
+  for (var testIdx = 0; testIdx < aHeaderInfoMap.length; testIdx++) {
+    var dataCellIdentifier = aHeaderInfoMap[testIdx].cell;
+    var dataCell = getAccessible(dataCellIdentifier, [nsIAccessibleTableCell]);
+
+    // row header cells
+    var rowHeaderCells = aHeaderInfoMap[testIdx].rowHeaderCells;
+    var rowHeaderCellsCount = rowHeaderCells.length;
+    var actualRowHeaderCells = dataCell.rowHeaderCells;
+    var actualRowHeaderCellsCount = actualRowHeaderCells.length;
+
+    is(
+      actualRowHeaderCellsCount,
+      rowHeaderCellsCount,
+      "Wrong number of row header cells for the cell " +
+        prettyName(dataCellIdentifier)
+    );
+
+    if (actualRowHeaderCellsCount == rowHeaderCellsCount) {
+      for (let idx = 0; idx < rowHeaderCellsCount; idx++) {
+        var rowHeaderCell = getAccessible(rowHeaderCells[idx]);
+        var actualRowHeaderCell = actualRowHeaderCells.queryElementAt(
+          idx,
+          nsIAccessible
+        );
+        isObject(
+          actualRowHeaderCell,
+          rowHeaderCell,
+          "Wrong row header cell at index " +
+            idx +
+            " for the cell " +
+            dataCellIdentifier
+        );
+      }
+    }
+
+    // column header cells
+    var colHeaderCells = aHeaderInfoMap[testIdx].columnHeaderCells;
+    var colHeaderCellsCount = colHeaderCells.length;
+    var actualColHeaderCells = dataCell.columnHeaderCells;
+    var actualColHeaderCellsCount = actualColHeaderCells.length;
+
+    is(
+      actualColHeaderCellsCount,
+      colHeaderCellsCount,
+      "Wrong number of column header cells for the cell " +
+        prettyName(dataCellIdentifier)
+    );
+
+    if (actualColHeaderCellsCount == colHeaderCellsCount) {
+      for (let idx = 0; idx < colHeaderCellsCount; idx++) {
+        var colHeaderCell = getAccessible(colHeaderCells[idx]);
+        var actualColHeaderCell = actualColHeaderCells.queryElementAt(
+          idx,
+          nsIAccessible
+        );
+        isObject(
+          actualColHeaderCell,
+          colHeaderCell,
+          "Wrong column header cell at index " +
+            idx +
+            " for the cell " +
+            dataCellIdentifier
+        );
+      }
+    }
+  }
+}
+
+// //////////////////////////////////////////////////////////////////////////////
+// private implementation
+
+/**
+ * Return row and column of orig cell for the given spanned cell.
+ */
+function getOrigRowAndColumn(aCellsArray, aRowIdx, aColIdx) {
+  var cellState = aCellsArray[aRowIdx][aColIdx];
+
+  var origRowIdx = aRowIdx,
+    origColIdx = aColIdx;
+  if (cellState & kRowSpanned) {
+    for (var prevRowIdx = aRowIdx - 1; prevRowIdx >= 0; prevRowIdx--) {
+      let prevCellState = aCellsArray[prevRowIdx][aColIdx];
+      if (!(prevCellState & kRowSpanned)) {
+        origRowIdx = prevRowIdx;
+        break;
+      }
+    }
+  }
+
+  if (cellState & kColSpanned) {
+    for (var prevColIdx = aColIdx - 1; prevColIdx >= 0; prevColIdx--) {
+      let prevCellState = aCellsArray[aRowIdx][prevColIdx];
+      if (!(prevCellState & kColSpanned)) {
+        origColIdx = prevColIdx;
+        break;
+      }
+    }
+  }
+
+  return [origRowIdx, origColIdx];
+}