diff options
Diffstat (limited to 'tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp')
-rw-r--r-- | tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp b/tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp index 8abf3c0..5b2b0cf 100644 --- a/tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp +++ b/tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp @@ -136,6 +136,7 @@ private slots: void task252507_mapFromToSource(); void task255652_removeRowsRecursive(); void taskQTBUG_6205_doubleProxySelectionSetSourceModel(); + void taskQTBUG_7537_appearsAndSort(); protected: void buildHierarchy(const QStringList &data, QAbstractItemModel *model); @@ -2852,5 +2853,73 @@ void tst_QSortFilterProxyModel::taskQTBUG_6205_doubleProxySelectionSetSourceMode QVERIFY(ism.selection().isEmpty()); } +void tst_QSortFilterProxyModel::taskQTBUG_7537_appearsAndSort() +{ + class PModel : public QSortFilterProxyModel + { + public: + PModel() : mVisible(false) {}; + protected: + bool filterAcceptsRow(int, const QModelIndex &) const + { + return mVisible; + } + + public: + void updateXX() + { + mVisible = true; + invalidate(); + } + private: + bool mVisible; + } proxyModel; + + + QStringListModel sourceModel; + QStringList list; + list << "b" << "a" << "c"; + sourceModel.setStringList(list); + + proxyModel.setSourceModel(&sourceModel); + proxyModel.setDynamicSortFilter(true); + proxyModel.sort(0, Qt::AscendingOrder); + + QApplication::processEvents(); + QCOMPARE(sourceModel.rowCount(), 3); + QCOMPARE(proxyModel.rowCount(), 0); //all rows are hidden at first; + + QSignalSpy spyAbout1(&proxyModel, SIGNAL(layoutAboutToBeChanged())); + QSignalSpy spyChanged1(&proxyModel, SIGNAL(layoutChanged())); + + //introducing secondProxyModel to test the layoutChange when many items appears at once + QSortFilterProxyModel secondProxyModel; + secondProxyModel.setSourceModel(&proxyModel); + secondProxyModel.setDynamicSortFilter(true); + secondProxyModel.sort(0, Qt::DescendingOrder); + QCOMPARE(secondProxyModel.rowCount(), 0); //all rows are hidden at first; + QSignalSpy spyAbout2(&secondProxyModel, SIGNAL(layoutAboutToBeChanged())); + QSignalSpy spyChanged2(&secondProxyModel, SIGNAL(layoutChanged())); + + proxyModel.updateXX(); + QApplication::processEvents(); + //now rows should be visible, and sorted + QCOMPARE(proxyModel.rowCount(), 3); + QCOMPARE(proxyModel.data(proxyModel.index(0,0), Qt::DisplayRole).toString(), QString::fromLatin1("a")); + QCOMPARE(proxyModel.data(proxyModel.index(1,0), Qt::DisplayRole).toString(), QString::fromLatin1("b")); + QCOMPARE(proxyModel.data(proxyModel.index(2,0), Qt::DisplayRole).toString(), QString::fromLatin1("c")); + + //now rows should be visible, and sorted + QCOMPARE(secondProxyModel.rowCount(), 3); + QCOMPARE(secondProxyModel.data(secondProxyModel.index(0,0), Qt::DisplayRole).toString(), QString::fromLatin1("c")); + QCOMPARE(secondProxyModel.data(secondProxyModel.index(1,0), Qt::DisplayRole).toString(), QString::fromLatin1("b")); + QCOMPARE(secondProxyModel.data(secondProxyModel.index(2,0), Qt::DisplayRole).toString(), QString::fromLatin1("a")); + + QCOMPARE(spyAbout1.count(), 1); + QCOMPARE(spyChanged1.count(), 1); + QCOMPARE(spyAbout2.count(), 1); + QCOMPARE(spyChanged2.count(), 1); +} + QTEST_MAIN(tst_QSortFilterProxyModel) #include "tst_qsortfilterproxymodel.moc" |