1 files changed, 123 insertions, 0 deletions
diff --git a/accessible/tests/mochitest/selectable.js b/accessible/tests/mochitest/selectable.js
new file mode 100644
index 0000000000..e71fca489b
--- /dev/null
+++ b/accessible/tests/mochitest/selectable.js
@@ -0,0 +1,123 @@
+/* import-globals-from common.js */
+/* import-globals-from states.js */
+
+/**
+ * Test selection getter methods of nsIAccessibleSelectable.
+ *
+ * @param aIdentifier        [in] selectable container accessible
+ * @param aSelectedChildren  [in] array of selected children
+ */
+function testSelectableSelection(aIdentifier, aSelectedChildren, aMsg) {
+  var acc = getAccessible(aIdentifier, [nsIAccessibleSelectable]);
+  if (!acc) {
+    return;
+  }
+
+  var msg = aMsg ? aMsg : "";
+  var len = aSelectedChildren.length;
+
+  // getSelectedChildren
+  var selectedChildren = acc.selectedItems;
+  is(
+    selectedChildren ? selectedChildren.length : 0,
+    len,
+    msg +
+      "getSelectedChildren: wrong selected children count for " +
+      prettyName(aIdentifier)
+  );
+
+  for (let idx = 0; idx < len; idx++) {
+    let expectedAcc = getAccessible(aSelectedChildren[idx]);
+    var actualAcc = selectedChildren.queryElementAt(idx, nsIAccessible);
+    is(
+      actualAcc,
+      expectedAcc,
+      msg +
+        "getSelectedChildren: wrong selected child at index " +
+        idx +
+        " for " +
+        prettyName(aIdentifier) +
+        " { actual : " +
+        prettyName(actualAcc) +
+        ", expected: " +
+        prettyName(expectedAcc) +
+        "}"
+    );
+  }
+
+  // selectedItemCount
+  is(
+    acc.selectedItemCount,
+    aSelectedChildren.length,
+    "selectedItemCount: wrong selected children count for " +
+      prettyName(aIdentifier)
+  );
+
+  // getSelectedItemAt
+  for (let idx = 0; idx < len; idx++) {
+    let expectedAcc = getAccessible(aSelectedChildren[idx]);
+    is(
+      acc.getSelectedItemAt(idx),
+      expectedAcc,
+      msg +
+        "getSelectedItemAt: wrong selected child at index " +
+        idx +
+        " for " +
+        prettyName(aIdentifier)
+    );
+  }
+
+  // isItemSelected
+  testIsItemSelected(acc, acc, { value: 0 }, aSelectedChildren, msg);
+}
+
+/**
+ * Test isItemSelected method, helper for testSelectableSelection
+ */
+function testIsItemSelected(
+  aSelectAcc,
+  aTraversedAcc,
+  aIndexObj,
+  aSelectedChildren,
+  aMsg
+) {
+  var childCount = aTraversedAcc.childCount;
+  for (var idx = 0; idx < childCount; idx++) {
+    var child = aTraversedAcc.getChildAt(idx);
+    var [state /* extraState */] = getStates(child);
+    if (state & STATE_SELECTABLE) {
+      var isSelected = false;
+      var len = aSelectedChildren.length;
+      for (var jdx = 0; jdx < len; jdx++) {
+        if (child == getAccessible(aSelectedChildren[jdx])) {
+          isSelected = true;
+          break;
+        }
+      }
+
+      // isItemSelected
+      is(
+        aSelectAcc.isItemSelected(aIndexObj.value++),
+        isSelected,
+        aMsg +
+          "isItemSelected: wrong selected child " +
+          prettyName(child) +
+          " for " +
+          prettyName(aSelectAcc)
+      );
+
+      // selected state
+      testStates(
+        child,
+        isSelected ? STATE_SELECTED : 0,
+        0,
+        !isSelected ? STATE_SELECTED : 0,
+        0
+      );
+
+      continue;
+    }
+
+    testIsItemSelected(aSelectAcc, child, aIndexObj, aSelectedChildren);
+  }
+}