QAbstractItemView test: check that the selection model is in sync with the view

Change-Id: Ifca91154b47184a9d9a1979e1fba471517e16698
Reviewed-by: Stephen Kelly <ske@ableton.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/tests/auto/widgets/itemviews/qabstractitemview/tst_qabstractitemview.cpp b/tests/auto/widgets/itemviews/qabstractitemview/tst_qabstractitemview.cpp
index 2b2f130060..6cbf51efd9 100644
--- a/tests/auto/widgets/itemviews/qabstractitemview/tst_qabstractitemview.cpp
+++ b/tests/auto/widgets/itemviews/qabstractitemview/tst_qabstractitemview.cpp
@@ -253,6 +253,7 @@ private slots:
     void shiftSelectionAfterChangingModelContents();
     void QTBUG48968_reentrant_updateEditorGeometries();
     void QTBUG50535_update_on_new_selection_model();
+    void testSelectionModelInSyncWithView();
 };
 
 class MyAbstractItemDelegate : public QAbstractItemDelegate
@@ -2082,5 +2083,59 @@ void tst_QAbstractItemView::QTBUG50535_update_on_new_selection_model()
     QTRY_VERIFY(view.m_paintEventsCount > oldPaintEventsCount);
 }
 
+void tst_QAbstractItemView::testSelectionModelInSyncWithView()
+{
+    QStandardItemModel model;
+    for (int i = 0; i < 10; ++i)
+        model.appendRow(new QStandardItem(QStringLiteral("%1").arg(i)));
+
+    class ListView : public QListView
+    {
+    public:
+        using QListView::selectedIndexes;
+    };
+
+    ListView view;
+    QVERIFY(!view.selectionModel());
+
+    view.setModel(&model);
+    QVERIFY(view.selectionModel());
+    QVERIFY(view.selectedIndexes().isEmpty());
+    QVERIFY(view.selectionModel()->selection().isEmpty());
+
+    view.setCurrentIndex(model.index(0, 0));
+    QCOMPARE(view.currentIndex(), model.index(0, 0));
+    QCOMPARE(view.selectionModel()->currentIndex(), model.index(0, 0));
+
+    view.selectionModel()->setCurrentIndex(model.index(1, 0), QItemSelectionModel::SelectCurrent);
+    QCOMPARE(view.currentIndex(), model.index(1, 0));
+    QCOMPARE(view.selectedIndexes(), QModelIndexList() << model.index(1, 0));
+    QCOMPARE(view.selectionModel()->currentIndex(), model.index(1, 0));
+    QCOMPARE(view.selectionModel()->selection().indexes(), QModelIndexList() << model.index(1, 0));
+
+    view.show();
+    QVERIFY(QTest::qWaitForWindowExposed(&view));
+
+    QItemSelectionModel selectionModel(&model);
+    selectionModel.setCurrentIndex(model.index(2, 0), QItemSelectionModel::Current);
+
+    view.setSelectionModel(&selectionModel);
+    QCOMPARE(view.currentIndex(), model.index(2, 0));
+    QCOMPARE(view.selectedIndexes(), QModelIndexList());
+    QCOMPARE(view.selectionModel()->currentIndex(), model.index(2, 0));
+    QCOMPARE(view.selectionModel()->selection().indexes(),  QModelIndexList());
+
+
+    QItemSelectionModel selectionModel2(&model);
+    selectionModel2.select(model.index(0, 0), QItemSelectionModel::ClearAndSelect);
+    selectionModel2.setCurrentIndex(model.index(1, 0), QItemSelectionModel::Current);
+
+    view.setSelectionModel(&selectionModel2);
+    QCOMPARE(view.currentIndex(), model.index(1, 0));
+    QCOMPARE(view.selectedIndexes(), QModelIndexList() << model.index(0, 0));
+    QCOMPARE(view.selectionModel()->currentIndex(), model.index(1, 0));
+    QCOMPARE(view.selectionModel()->selection().indexes(),  QModelIndexList() << model.index(0, 0));
+}
+
 QTEST_MAIN(tst_QAbstractItemView)
 #include "tst_qabstractitemview.moc"