FocusScope's focusItem must always be a descendent

Task-number: QTBUG-20699
Reviewed-by: Michael Brasser
Change-Id: Iaaaabaabaabaabaabaaaaaffaaaeaaaaaaaacaaa
(cherry picked from commit 0ee51351894296df7328f206e444ece262692f3f)
Reviewed-on: http://codereview.qt.nokia.com/2931
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Michael Brasser <michael.brasser@nokia.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp b/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp
index cd66e10b79..a8cc3b0e62 100644
--- a/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp
+++ b/tests/auto/qgraphicsitem/tst_qgraphicsitem.cpp
@@ -475,6 +475,7 @@ private slots:
     void QTBUG_12112_focusItem();
     void QTBUG_13473_sceneposchange();
     void QTBUG_16374_crashInDestructor();
+    void QTBUG_20699_focusScopeCrash();
 
 private:
     QList<QGraphicsItem *> paintedItems;
@@ -11257,5 +11258,36 @@ void tst_QGraphicsItem::QTBUG_16374_crashInDestructor()
     QTest::qWaitForWindowShown(&view);
 }
 
+void tst_QGraphicsItem::QTBUG_20699_focusScopeCrash()
+{
+    QGraphicsScene scene;
+    QGraphicsView view(&scene);
+    QGraphicsPixmapItem fs;
+    fs.setFlags(QGraphicsItem::ItemIsFocusScope | QGraphicsItem::ItemIsFocusable);
+    scene.addItem(&fs);
+    QGraphicsPixmapItem* fs2 = new QGraphicsPixmapItem(&fs);
+    fs2->setFlags(QGraphicsItem::ItemIsFocusScope | QGraphicsItem::ItemIsFocusable);
+    QGraphicsPixmapItem* fi2 = new QGraphicsPixmapItem(&fs);
+    fi2->setFlags(QGraphicsItem::ItemIsFocusable);
+    QGraphicsPixmapItem* fi = new QGraphicsPixmapItem(fs2);
+    fi->setFlags(QGraphicsItem::ItemIsFocusable);
+    fs.setFocus();
+    fi->setFocus();
+
+    view.show();
+    QTest::qWaitForWindowShown(&view);
+
+    fi->setParentItem(fi2);
+    fi->setFocus();
+    fs.setFocus();
+    fi->setParentItem(fs2);
+    fi->setFocus();
+    fs2->setFocus();
+    fs.setFocus();
+    fi->setParentItem(fi2);
+    fi->setFocus();
+    fs.setFocus();
+}
+
 QTEST_MAIN(tst_QGraphicsItem)
 #include "tst_qgraphicsitem.moc"