michael@0: /**
michael@0:  * Test selection getter methods of nsIAccessibleSelectable.
michael@0:  *
michael@0:  * @param aIdentifier        [in] selectable container accessible
michael@0:  * @param aSelectedChildren  [in] array of selected children
michael@0:  */
michael@0: function testSelectableSelection(aIdentifier, aSelectedChildren, aMsg)
michael@0: {
michael@0:   var acc = getAccessible(aIdentifier, [nsIAccessibleSelectable]);
michael@0:   if (!acc)
michael@0:     return;
michael@0: 
michael@0:   var msg = aMsg ? aMsg : "";
michael@0:   var len = aSelectedChildren.length;
michael@0: 
michael@0:   // getSelectedChildren
michael@0:   var selectedChildren = acc.selectedItems;
michael@0:   is(selectedChildren ? selectedChildren.length : 0, len,
michael@0:      msg + "getSelectedChildren: wrong selected children count for " +
michael@0:      prettyName(aIdentifier));
michael@0: 
michael@0:   for (var idx = 0; idx < len; idx++) {
michael@0:     var expectedAcc = getAccessible(aSelectedChildren[idx]);
michael@0:     var actualAcc = selectedChildren.queryElementAt(idx, nsIAccessible);
michael@0:     is(actualAcc, expectedAcc,
michael@0:        msg + "getSelectedChildren: wrong selected child at index " + idx +
michael@0:        " for " + prettyName(aIdentifier) + " { actual : " +
michael@0:        prettyName(actualAcc) + ", expected: " + prettyName(expectedAcc) + "}");
michael@0:   }
michael@0: 
michael@0:   // selectedItemCount
michael@0:   is(acc.selectedItemCount, aSelectedChildren.length,
michael@0:      "selectedItemCount: wrong selected children count for " + prettyName(aIdentifier));
michael@0: 
michael@0:   // getSelectedItemAt
michael@0:   for (var idx = 0; idx < len; idx++) {
michael@0:     var expectedAcc = getAccessible(aSelectedChildren[idx]);
michael@0:     is(acc.getSelectedItemAt(idx), expectedAcc,
michael@0:        msg + "getSelectedItemAt: wrong selected child at index " + idx + " for " +
michael@0:        prettyName(aIdentifier));
michael@0:   }
michael@0: 
michael@0:   // isItemSelected
michael@0:   testIsItemSelected(acc, acc, { value: 0 }, aSelectedChildren, msg);
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * Test isItemSelected method, helper for testSelectableSelection
michael@0:  */
michael@0: function testIsItemSelected(aSelectAcc, aTraversedAcc, aIndexObj, aSelectedChildren, aMsg)
michael@0: {
michael@0:   var childCount = aTraversedAcc.childCount;
michael@0:   for (var idx = 0; idx < childCount; idx++) {
michael@0:     var child = aTraversedAcc.getChildAt(idx);
michael@0:     var [state, extraState] = getStates(child);
michael@0:     if (state & STATE_SELECTABLE) {
michael@0:       var isSelected = false;
michael@0:       var len = aSelectedChildren.length;
michael@0:       for (var jdx = 0; jdx < len; jdx++) {
michael@0:         if (child == getAccessible(aSelectedChildren[jdx])) {
michael@0:           isSelected = true;
michael@0:           break;
michael@0:         }
michael@0:       }
michael@0: 
michael@0:       // isItemSelected
michael@0:       is(aSelectAcc.isItemSelected(aIndexObj.value++), isSelected,
michael@0:          aMsg + "isItemSelected: wrong selected child " + prettyName(child) +
michael@0:          " for " + prettyName(aSelectAcc));
michael@0: 
michael@0:       // selected state
michael@0:       testStates(child, isSelected ? STATE_SELECTED : 0, 0,
michael@0:                  !isSelected ? STATE_SELECTED : 0 , 0);
michael@0: 
michael@0:       continue;
michael@0:     }
michael@0: 
michael@0:     testIsItemSelected(aSelectAcc, child, aIndexObj, aSelectedChildren);
michael@0:   }
michael@0: }