Fix ListModel::set() so the implementation and docs are

consistent. If index == count() the item should be appended.
Also, this should happen regardless of whether the list is empty.

2 files changed, 4 insertions, 3 deletions

diff --git a/src/declarative/util/qdeclarativelistmodel.cpp b/src/declarative/util/qdeclarativelistmodel.cpp
index 93a38f4..398480e 100644
--- a/src/declarative/util/qdeclarativelistmodel.cpp
+++ b/src/declarative/util/qdeclarativelistmodel.cpp
@@ -552,7 +552,8 @@ QScriptValue QDeclarativeListModel::get(int index) const
         fruitModel.set(3, {"cost": 5.95, "name":"Pizza"})
     \endcode
 
-    The \a index must be an element in the list.
+    If \a index is equal to count() then a new item is appended to the
+    list. Otherwise, \a index must be an element in the list.
 
     \sa append()
 */
@@ -562,7 +563,7 @@ void QDeclarativeListModel::set(int index, const QScriptValue& valuemap)
         qmlInfo(this) << tr("set: value is not an object");
         return;
     }
-    if (count() == 0 || index > count() || index < 0) {
+    if (index > count() || index < 0) {
         qmlInfo(this) << tr("set: index %1 out of range").arg(index);
         return;
     }
diff --git a/tests/auto/declarative/qdeclarativelistmodel/tst_qdeclarativelistmodel.cpp b/tests/auto/declarative/qdeclarativelistmodel/tst_qdeclarativelistmodel.cpp
index 31cb545..69df90b 100644
--- a/tests/auto/declarative/qdeclarativelistmodel/tst_qdeclarativelistmodel.cpp
+++ b/tests/auto/declarative/qdeclarativelistmodel/tst_qdeclarativelistmodel.cpp
@@ -260,7 +260,7 @@ void tst_qdeclarativelistmodel::dynamic_data()
     QTest::newRow("set2") << "{append({'foo':123});set(0,{'foo':456});get(0).foo}" << 456 << "";
     QTest::newRow("set3a") << "{append({'foo':123,'bar':456});set(0,{'foo':999});get(0).foo}" << 999 << "";
     QTest::newRow("set3b") << "{append({'foo':123,'bar':456});set(0,{'foo':999});get(0).bar}" << 456 << "";
-    QTest::newRow("set4a") << "{set(0,{'foo':456})}" << 0 << "<Unknown File>: QML ListModel: set: index 0 out of range";
+    QTest::newRow("set4a") << "{set(0,{'foo':456});count}" << 1 << "";
     QTest::newRow("set4c") << "{set(-1,{'foo':456})}" << 0 << "<Unknown File>: QML ListModel: set: index -1 out of range";
     QTest::newRow("set5a") << "{append({'foo':123,'bar':456});set(0,123);count}" << 1 << "<Unknown File>: QML ListModel: set: value is not an object";
     QTest::newRow("set5b") << "{append({'foo':123,'bar':456});set(0,[1,2,3]);count}" << 1 << "<Unknown File>: QML ListModel: set: value is not an object";