diff options
Diffstat (limited to 'tests/auto')
-rw-r--r-- | tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp b/tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp index 56eaf25..2339b21 100644 --- a/tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp +++ b/tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp @@ -139,6 +139,8 @@ private slots: void taskQTBUG_7537_appearsAndSort(); void taskQTBUG_7716_unnecessaryDynamicSorting(); + void testMultipleProxiesWithSelection(); + protected: void buildHierarchy(const QStringList &data, QAbstractItemModel *model); void checkHierarchy(const QStringList &data, const QAbstractItemModel *model); @@ -2951,5 +2953,90 @@ void tst_QSortFilterProxyModel::taskQTBUG_7716_unnecessaryDynamicSorting() } } +class SelectionProxyModel : QAbstractProxyModel +{ + Q_OBJECT +public: + SelectionProxyModel() + : QAbstractProxyModel(), selectionModel(0) + { + } + + QModelIndex mapFromSource(QModelIndex const&) const + { return QModelIndex(); } + + QModelIndex mapToSource(QModelIndex const&) const + { return QModelIndex(); } + + QModelIndex index(int, int, const QModelIndex&) const + { return QModelIndex(); } + + QModelIndex parent(const QModelIndex&) const + { return QModelIndex(); } + + int rowCount(const QModelIndex&) const + { return 0; } + + int columnCount(const QModelIndex&) const + { return 0; } + + void setSourceModel( QAbstractItemModel *sourceModel ) + { + beginResetModel(); + disconnect( sourceModel, SIGNAL(modelAboutToBeReset()), this, SLOT(sourceModelAboutToBeReset()) ); + QAbstractProxyModel::setSourceModel( sourceModel ); + connect( sourceModel, SIGNAL(modelAboutToBeReset()), this, SLOT(sourceModelAboutToBeReset()) ); + endResetModel(); + } + + void setSelectionModel( QItemSelectionModel *_selectionModel ) + { + selectionModel = _selectionModel; + } + +private slots: + void sourceModelAboutToBeReset() + { + QVERIFY( selectionModel->selectedIndexes().size() == 1 ); + beginResetModel(); + } + + void sourceModelReset() + { + endResetModel(); + } + +private: + QItemSelectionModel *selectionModel; + +}; + +void tst_QSortFilterProxyModel::testMultipleProxiesWithSelection() +{ + QStringListModel model; + const QStringList initial = QString("bravo charlie delta echo").split(" "); + model.setStringList(initial); + + QSortFilterProxyModel proxy; + proxy.setSourceModel( &model ); + + SelectionProxyModel proxy1; + QSortFilterProxyModel proxy2; + + // Note that the order here matters. The order of the sourceAboutToBeReset + // exposes the bug in QSortFilterProxyModel. + proxy2.setSourceModel( &proxy ); + proxy1.setSourceModel( &proxy ); + + QItemSelectionModel selectionModel(&proxy2); + proxy1.setSelectionModel( &selectionModel ); + + selectionModel.select( proxy2.index( 0, 0 ), QItemSelectionModel::Select ); + + // trick the proxy into emitting begin/end reset signals. + proxy.setSourceModel(0); + +} + QTEST_MAIN(tst_QSortFilterProxyModel) #include "tst_qsortfilterproxymodel.moc" |