Test that we don't crash when items are sorted and filtered at the same time

This is a test for commit 49c892328223dfa2502b462d8e5e8e181f4f6cd5
in qtbase

Change-Id: Id7be42ddd9136b73af08093117316fe2e86a000a
Reviewed-by: Robin Burchell <robin.burchell@viroteck.net>

1 files changed, 32 insertions, 0 deletions

diff --git a/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp b/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
index 08c0887fcf..a3b3a1d309 100644
--- a/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
+++ b/tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
@@ -254,6 +254,7 @@ private slots:
 
     void QTBUG_50105();
     void QTBUG_50097_stickyHeader_positionViewAtIndex();
+    void itemFiltered();
 
 private:
     template <class T> void items(const QUrl &source);
@@ -8281,6 +8282,37 @@ void tst_QQuickListView::QTBUG_50097_stickyHeader_positionViewAtIndex()
     QTRY_COMPARE(listview->contentY(), -100.0); // back to the same position: header visible, items not under the header.
 }
 
+void tst_QQuickListView::itemFiltered()
+{
+    QStringListModel model(QStringList() << "one" << "two" << "three" << "four" << "five" << "six");
+    QSortFilterProxyModel proxy1;
+    proxy1.setSourceModel(&model);
+    proxy1.setSortRole(Qt::DisplayRole);
+    proxy1.setDynamicSortFilter(true);
+    proxy1.sort(0);
+
+    QSortFilterProxyModel proxy2;
+    proxy2.setSourceModel(&proxy1);
+    proxy2.setFilterRole(Qt::DisplayRole);
+    proxy2.setFilterRegExp("^[^ ]*$");
+    proxy2.setDynamicSortFilter(true);
+
+    QScopedPointer<QQuickView> window(createView());
+    window->engine()->rootContext()->setContextProperty("_model", &proxy2);
+    QQmlComponent component(window->engine());
+    component.setData("import QtQuick 2.4; ListView { "
+                      "anchors.fill: parent; model: _model; delegate: Text { width: parent.width;"
+                      "text: model.display; } }",
+                      QUrl());
+    window->setContent(QUrl(), &component, component.create());
+
+    window->show();
+    QTest::qWaitForWindowExposed(window.data());
+
+    // this should not crash
+    model.setData(model.index(2), QStringLiteral("modified three"), Qt::DisplayRole);
+}
+
 QTEST_MAIN(tst_QQuickListView)
 
 #include "tst_qquicklistview.moc"