QItemEditorFactory: made sure the ownership is taken on the

QItemEditorCreator

The creators were not deleted i nthe destructor of QItemEditorFactory
and they could not be safely used for more than one type.

Task-number: 228255
Reviewed-by: jasplin

1 files changed, 31 insertions, 7 deletions

diff --git a/tests/auto/qitemeditorfactory/tst_qitemeditorfactory.cpp b/tests/auto/qitemeditorfactory/tst_qitemeditorfactory.cpp
index 5540b38183..d9a7d56f4a 100644
--- a/tests/auto/qitemeditorfactory/tst_qitemeditorfactory.cpp
+++ b/tests/auto/qitemeditorfactory/tst_qitemeditorfactory.cpp
@@ -61,16 +61,40 @@ void tst_QItemEditorFactory::createEditor()
 
 void tst_QItemEditorFactory::createCustomEditor()
 {
-    QItemEditorFactory editorFactory;
+    //we make it inherit from QObject so that we can use QPointer
+    class MyEditor : public QObject, public QStandardItemEditorCreator<QDoubleSpinBox>
+    {
+    };
 
-    QItemEditorCreatorBase *creator = new QStandardItemEditorCreator<QDoubleSpinBox>();
-    editorFactory.registerEditor(QVariant::Rect, creator);
+    QPointer<MyEditor> creator = new MyEditor;
+    QPointer<MyEditor> creator2 = new MyEditor;
 
-    QWidget parent;
+    {
+        QItemEditorFactory editorFactory;
+
+        editorFactory.registerEditor(QVariant::Rect, creator);
+        editorFactory.registerEditor(QVariant::RectF, creator);
+
+        //creator should not be deleted as a result of calling the next line
+        editorFactory.registerEditor(QVariant::Rect, creator2);
+        QVERIFY(creator);
+
+        //this should erase creator2
+        editorFactory.registerEditor(QVariant::Rect, creator);
+        QVERIFY(creator2.isNull());
+
+
+        QWidget parent;
+
+        QWidget *w = editorFactory.createEditor(QVariant::Rect, &parent);
+        QCOMPARE(w->metaObject()->className(), "QDoubleSpinBox");
+        QCOMPARE(w->metaObject()->userProperty().type(), QVariant::Double);
+    }
 
-    QWidget *w = editorFactory.createEditor(QVariant::Rect, &parent);
-    QCOMPARE(w->metaObject()->className(), "QDoubleSpinBox");
-    QCOMPARE(w->metaObject()->userProperty().type(), QVariant::Double);
+    //editorFactory has been deleted, so should be creator
+    //because editorFActory has the ownership
+    QVERIFY(creator.isNull());
+    QVERIFY(creator2.isNull());
 
     delete creator;
 }