gecko/accessible/tests/mochitest/table.js

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/**
* This file provides set of helper functions to test nsIAccessibleTable
* interface.
*
* Required:
* common.js
* role.js
* 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;
/**
* 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 aIsTreeTable [in] specifies whether given table is tree table
*/
function testTableStruct(aIdentifier, aCellsArray, aColHeaderType,
aCaption, aSummary, aIsTreeTable)
{
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 = {
role: aIsTreeTable ? ROLE_TREE_TABLE : ROLE_TABLE,
children: []
};
// 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 (var 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 (var rowIdx = 0; rowIdx < rowCount; rowIdx++) {
var rowObj = {
role: ROLE_ROW,
children: []
};
for (var colIdx = 0; colIdx < colsCount; colIdx++) {
var celltype = aCellsArray[rowIdx][colIdx];
var role = ROLE_NOTHING;
switch (celltype) {
case kDataCell:
role = (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: 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 (var rowIdx = 0; rowIdx < rowCount; rowIdx++) {
for (var colIdx = 0; colIdx < colsCount; colIdx++) {
var celltype = aCellsArray[rowIdx][colIdx];
if (celltype & kOrigin) {
// table getRowExtentAt
var rowExtent = table.getRowExtentAt(rowIdx, colIdx);
for (var idx = rowIdx + 1;
idx < rowCount && (aCellsArray[idx][colIdx] & kRowSpanned);
idx++);
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);
for (var idx = colIdx + 1;
idx < colsCount && (aCellsArray[rowIdx][idx] & kColSpanned);
idx++);
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];
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// getCellAt
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try {
cellAcc = null;
cellAcc = tableAcc.getCellAt(rowIdx, colIdx);
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} catch (e) { }
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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 = new Array();
// isColumnSelected test
for (var colIdx = 0; colIdx < colsCount; colIdx++) {
var isColSelected = true;
for (var rowIdx = 0; rowIdx < rowCount; rowIdx++) {
if (aCellsArray[rowIdx][colIdx] == false) {
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
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is(acc.selectedColumnCount, selCols.length,
msg + "Wrong count of selected columns for " + prettyName(aIdentifier));
// getSelectedColumns test
var actualSelColsCountObj = { value: null };
var actualSelCols = acc.getSelectedColumnIndices(actualSelColsCountObj);
var actualSelColsCount = actualSelColsCountObj.value;
is (actualSelColsCount, selCols.length,
msg + "Wrong count of selected columns for " + prettyName(aIdentifier) +
"from getSelectedColumns.");
for (var i = 0; i < actualSelColsCount; i++) {
is (actualSelCols[i], selCols[i],
msg + "Column at index " + selCols[i] + " should be selected.");
}
// Rows selection tests.
var selRows = new Array();
// isRowSelected test
var selrowCount = 0;
for (var rowIdx = 0; rowIdx < rowCount; rowIdx++) {
var isRowSelected = true;
for (var colIdx = 0; colIdx < colsCount; colIdx++) {
if (aCellsArray[rowIdx][colIdx] == false) {
isRowSelected = false;
break;
}
}
is(acc.isRowSelected(rowIdx), isRowSelected,
msg + "Wrong selection state of " + rowIdx + " row for " +
prettyName(aIdentifier));
if (isRowSelected)
selRows.push(rowIdx);
}
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// selectedRowCount test
is(acc.selectedRowCount, selRows.length,
msg + "Wrong count of selected rows for " + prettyName(aIdentifier));
// getSelectedRows test
var actualSelrowCountObj = { value: null };
var actualSelRows = acc.getSelectedRowIndices(actualSelrowCountObj);
var actualSelrowCount = actualSelrowCountObj.value;
is (actualSelrowCount, selRows.length,
msg + "Wrong count of selected rows for " + prettyName(aIdentifier) +
"from getSelectedRows.");
for (var i = 0; i < actualSelrowCount; i++) {
is (actualSelRows[i], selRows[i],
msg + "Row at index " + selRows[i] + " should be selected.");
}
// Cells selection tests.
var selCells = new Array();
// isCellSelected test
for (var rowIdx = 0; rowIdx < rowCount; rowIdx++) {
for (var colIdx = 0; colIdx < colsCount; colIdx++) {
if (aCellsArray[rowIdx][colIdx] & kSpanned)
continue;
is(acc.isCellSelected(rowIdx, colIdx), aCellsArray[rowIdx][colIdx],
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 actualSelCellsCountObj = { value: null };
var actualSelCells = acc.getSelectedCellIndices(actualSelCellsCountObj);
var actualSelCellsCount = actualSelCellsCountObj.value;
is(actualSelCellsCount, selCells.length,
msg + "Wrong count of selected cells for " + prettyName(aIdentifier) +
"from getSelectedCells.");
for (var 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 (var i = 0; i < actualSelCellsCount; i++) {
var actualSelCellAccessible =
actualSelCellsArray.queryElementAt(i, nsIAccessibleTableCell);
var colIdx = acc.getColumnIndexAt(selCells[i]);
var rowIdx = acc.getRowIndexAt(selCells[i]);
var expectedSelCellAccessible = acc.getCellAt(rowIdx, colIdx);
ok(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 (var rowIdx = 0; rowIdx < rowCount; rowIdx++) {
for (var colIdx = 0; colIdx < colsCount; colIdx++) {
if (aCellsArray[rowIdx][colIdx] & kSpanned)
continue;
var cell = acc.getCellAt(rowIdx, colIdx);
var isSel = aCellsArray[rowIdx][colIdx];
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++) {
var cellState = aCellsArray[rowIdx][aColIdx];
// 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 (var idx = 0; idx < rowHeaderCellsCount; idx++) {
var rowHeaderCell = getAccessible(rowHeaderCells[idx]);
var actualRowHeaderCell =
actualRowHeaderCells.queryElementAt(idx, nsIAccessible);
ok(actualRowHeaderCell, rowHeaderCell,
"Wrong row header cell at index " + idx + " for the cell " +
prettyName(rowHeaderCells[idx]));
}
}
// 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 (var idx = 0; idx < colHeaderCellsCount; idx++) {
var colHeaderCell = getAccessible(colHeaderCells[idx]);
var actualColHeaderCell =
actualColHeaderCells.queryElementAt(idx, nsIAccessible);
ok(actualColHeaderCell, colHeaderCell,
"Wrong column header cell at index " + idx + " for the cell " +
prettyName(colHeaderCells[idx]));
}
}
}
}
////////////////////////////////////////////////////////////////////////////////
// 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--) {
var prevCellState = aCellsArray[prevRowIdx][aColIdx];
if (!(prevCellState & kRowSpanned)) {
origRowIdx = prevRowIdx;
break;
}
}
}
if (cellState & kColSpanned) {
for (var prevColIdx = aColIdx - 1; prevColIdx >= 0; prevColIdx--) {
var prevCellState = aCellsArray[aRowIdx][prevColIdx];
if (!(prevCellState & kColSpanned)) {
origColIdx = prevColIdx;
break;
}
}
}
return [origRowIdx, origColIdx];
}