Don't crash with invalid QModelIndex or when QTreeWidgetItem is NULL in mimeData()

Change-Id: I0a9abaa05cf136eadf222d3e7d102930719b84ff
Reviewed-by: David Faure <david.faure@kdab.com>

2 files changed, 19 insertions, 0 deletions

diff --git a/tests/auto/gui/itemmodels/qstandarditemmodel/tst_qstandarditemmodel.cpp b/tests/auto/gui/itemmodels/qstandarditemmodel/tst_qstandarditemmodel.cpp
index cde6141a71..10dedfaf95 100644
--- a/tests/auto/gui/itemmodels/qstandarditemmodel/tst_qstandarditemmodel.cpp
+++ b/tests/auto/gui/itemmodels/qstandarditemmodel/tst_qstandarditemmodel.cpp
@@ -129,6 +129,7 @@ private slots:
     void removeRowsAndColumns();
 
     void itemRoleNames();
+    void getMimeDataWithInvalidModelIndex();
 
 private:
     QAbstractItemModel *m_model;
@@ -1671,6 +1672,13 @@ void tst_QStandardItemModel::itemRoleNames()
     VERIFY_MODEL
 }
 
+void tst_QStandardItemModel::getMimeDataWithInvalidModelIndex()
+{
+    QStandardItemModel model;
+    QTest::ignoreMessage(QtWarningMsg, "QStandardItemModel::mimeData: No item associated with invalid index");
+    QMimeData *data = model.mimeData(QModelIndexList() << QModelIndex());
+    QVERIFY(!data);
+}
 
 QTEST_MAIN(tst_QStandardItemModel)
 #include "tst_qstandarditemmodel.moc"
diff --git a/tests/auto/widgets/itemviews/qtreewidget/tst_qtreewidget.cpp b/tests/auto/widgets/itemviews/qtreewidget/tst_qtreewidget.cpp
index c1331d62e1..bdeaaf38db 100644
--- a/tests/auto/widgets/itemviews/qtreewidget/tst_qtreewidget.cpp
+++ b/tests/auto/widgets/itemviews/qtreewidget/tst_qtreewidget.cpp
@@ -49,6 +49,9 @@ class CustomTreeWidget : public QTreeWidget
 public:
     QModelIndex indexFromItem(QTreeWidgetItem *item, int column = 0) const
     { return QTreeWidget::indexFromItem(item, column); }
+
+    QMimeData * mimeData(const QList<QTreeWidgetItem*> items) const
+    { return QTreeWidget::mimeData(items); }
 };
 
 class tst_QTreeWidget : public QObject
@@ -157,6 +160,7 @@ private slots:
     void setChildIndicatorPolicy();
 
     void task20345_sortChildren();
+    void getMimeDataWithInvalidItem();
 
 public slots:
     void itemSelectionChanged();
@@ -3368,6 +3372,13 @@ void tst_QTreeWidget::task20345_sortChildren()
     QVERIFY(1);
 }
 
+void tst_QTreeWidget::getMimeDataWithInvalidItem()
+{
+    CustomTreeWidget w;
+    QTest::ignoreMessage(QtWarningMsg, "QTreeWidget::mimeData: Null-item passed");
+    QMimeData *md = w.mimeData(QList<QTreeWidgetItem*>() << Q_NULLPTR);
+    QVERIFY(!md);
+}
 
 QTEST_MAIN(tst_QTreeWidget)
 #include "tst_qtreewidget.moc"