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-rw-r--r--tests/auto/qtreewidget/tst_qtreewidget.cpp180
1 files changed, 180 insertions, 0 deletions
diff --git a/tests/auto/qtreewidget/tst_qtreewidget.cpp b/tests/auto/qtreewidget/tst_qtreewidget.cpp
index 4e750f8..7db74ff 100644
--- a/tests/auto/qtreewidget/tst_qtreewidget.cpp
+++ b/tests/auto/qtreewidget/tst_qtreewidget.cpp
@@ -126,6 +126,8 @@ private slots:
void insertExpandedItemsWithSorting();
void changeDataWithSorting_data();
void changeDataWithSorting();
+ void changeDataWithStableSorting_data();
+ void changeDataWithStableSorting();
void sortedIndexOfChild_data();
void sortedIndexOfChild();
@@ -2419,6 +2421,184 @@ void tst_QTreeWidget::changeDataWithSorting()
QCOMPARE(layoutChangedSpy.count(), reorderingExpected ? 1 : 0);
}
+void tst_QTreeWidget::changeDataWithStableSorting_data()
+{
+ QTest::addColumn<int>("sortOrder");
+ QTest::addColumn<QStringList>("initialItems");
+ QTest::addColumn<int>("itemIndex");
+ QTest::addColumn<QString>("newValue");
+ QTest::addColumn<QStringList>("expectedItems");
+ QTest::addColumn<IntList>("expectedRows");
+ QTest::addColumn<bool>("reorderingExpected");
+ QTest::addColumn<bool>("forceChange");
+
+ QTest::newRow("change a to c in (a, c, c, c, e)")
+ << static_cast<int>(Qt::AscendingOrder)
+ << (QStringList() << "a" << "c" << "c" << "c" << "e")
+ << 0 << "c"
+ << (QStringList() << "c" << "c" << "c" << "c" << "e")
+ << (IntList() << 0 << 1 << 2 << 3 << 4)
+ << false
+ << false;
+ QTest::newRow("change e to c in (a, c, c, c, e)")
+ << static_cast<int>(Qt::AscendingOrder)
+ << (QStringList() << "a" << "c" << "c" << "c" << "e")
+ << 4 << "c"
+ << (QStringList() << "a" << "c" << "c" << "c" << "c")
+ << (IntList() << 0 << 1 << 2 << 3 << 4)
+ << false
+ << false;
+ QTest::newRow("change 1st c to c in (a, c, c, c, e)")
+ << static_cast<int>(Qt::AscendingOrder)
+ << (QStringList() << "a" << "c" << "c" << "c" << "e")
+ << 1 << "c"
+ << (QStringList() << "a" << "c" << "c" << "c" << "e")
+ << (IntList() << 0 << 1 << 2 << 3 << 4)
+ << false
+ << true;
+ QTest::newRow("change 2nd c to c in (a, c, c, c, e)")
+ << static_cast<int>(Qt::AscendingOrder)
+ << (QStringList() << "a" << "c" << "c" << "c" << "e")
+ << 2 << "c"
+ << (QStringList() << "a" << "c" << "c" << "c" << "e")
+ << (IntList() << 0 << 1 << 2 << 3 << 4)
+ << false
+ << true;
+ QTest::newRow("change 3rd c to c in (a, c, c, c, e)")
+ << static_cast<int>(Qt::AscendingOrder)
+ << (QStringList() << "a" << "c" << "c" << "c" << "e")
+ << 3 << "c"
+ << (QStringList() << "a" << "c" << "c" << "c" << "e")
+ << (IntList() << 0 << 1 << 2 << 3 << 4)
+ << false
+ << true;
+ QTest::newRow("change 1st c to c in (e, c, c, c, a)")
+ << static_cast<int>(Qt::DescendingOrder)
+ << (QStringList() << "e" << "c" << "c" << "c" << "a")
+ << 1 << "c"
+ << (QStringList() << "e" << "c" << "c" << "c" << "a")
+ << (IntList() << 0 << 1 << 2 << 3 << 4)
+ << false
+ << true;
+ QTest::newRow("change 2nd c to c in (e, c, c, c, a)")
+ << static_cast<int>(Qt::DescendingOrder)
+ << (QStringList() << "e" << "c" << "c" << "c" << "a")
+ << 2 << "c"
+ << (QStringList() << "e" << "c" << "c" << "c" << "a")
+ << (IntList() << 0 << 1 << 2 << 3 << 4)
+ << false
+ << true;
+ QTest::newRow("change 3rd c to c in (e, c, c, c, a)")
+ << static_cast<int>(Qt::DescendingOrder)
+ << (QStringList() << "e" << "c" << "c" << "c" << "a")
+ << 3 << "c"
+ << (QStringList() << "e" << "c" << "c" << "c" << "a")
+ << (IntList() << 0 << 1 << 2 << 3 << 4)
+ << false
+ << true;
+ QTest::newRow("change 1st c to b in (a, c, c, c, e)")
+ << static_cast<int>(Qt::AscendingOrder)
+ << (QStringList() << "a" << "c" << "c" << "c" << "e")
+ << 1 << "b"
+ << (QStringList() << "a" << "b" << "c" << "c" << "e")
+ << (IntList() << 0 << 1 << 2 << 3 << 4)
+ << false
+ << false;
+ QTest::newRow("change 2nd c to b in (a, c, c, c, e)")
+ << static_cast<int>(Qt::AscendingOrder)
+ << (QStringList() << "a" << "c" << "c" << "c" << "e")
+ << 2 << "b"
+ << (QStringList() << "a" << "b" << "c" << "c" << "e")
+ << (IntList() << 0 << 2 << 1 << 3 << 4)
+ << true
+ << false;
+ QTest::newRow("change 3rd c to b in (a, c, c, c, e)")
+ << static_cast<int>(Qt::AscendingOrder)
+ << (QStringList() << "a" << "c" << "c" << "c" << "e")
+ << 3 << "b"
+ << (QStringList() << "a" << "b" << "c" << "c" << "e")
+ << (IntList() << 0 << 2 << 3 << 1 << 4)
+ << true
+ << false;
+ QTest::newRow("change 1st c to d in (a, c, c, c, e)")
+ << static_cast<int>(Qt::AscendingOrder)
+ << (QStringList() << "a" << "c" << "c" << "c" << "e")
+ << 1 << "d"
+ << (QStringList() << "a" << "c" << "c" << "d" << "e")
+ << (IntList() << 0 << 3 << 1 << 2 << 4)
+ << true
+ << false;
+ QTest::newRow("change 2nd c to d in (a, c, c, c, e)")
+ << static_cast<int>(Qt::AscendingOrder)
+ << (QStringList() << "a" << "c" << "c" << "c" << "e")
+ << 2 << "d"
+ << (QStringList() << "a" << "c" << "c" << "d" << "e")
+ << (IntList() << 0 << 1 << 3 << 2 << 4)
+ << true
+ << false;
+ QTest::newRow("change 3rd c to d in (a, c, c, c, e)")
+ << static_cast<int>(Qt::AscendingOrder)
+ << (QStringList() << "a" << "c" << "c" << "c" << "e")
+ << 3 << "d"
+ << (QStringList() << "a" << "c" << "c" << "d" << "e")
+ << (IntList() << 0 << 1 << 2 << 3 << 4)
+ << false
+ << false;
+}
+
+void tst_QTreeWidget::changeDataWithStableSorting()
+{
+ QFETCH(int, sortOrder);
+ QFETCH(QStringList, initialItems);
+ QFETCH(int, itemIndex);
+ QFETCH(QString, newValue);
+ QFETCH(QStringList, expectedItems);
+ QFETCH(IntList, expectedRows);
+ QFETCH(bool, reorderingExpected);
+ QFETCH(bool, forceChange);
+
+ class StableItem : public QTreeWidgetItem
+ {
+ public:
+ StableItem(const QStringList &strings) : QTreeWidgetItem(strings, QTreeWidgetItem::UserType) {}
+ void forceChangeData() {
+ emitDataChanged();
+ }
+ };
+
+ QTreeWidget w;
+ w.setSortingEnabled(true);
+ w.sortItems(0, static_cast<Qt::SortOrder>(sortOrder));
+ for (int i = 0; i < initialItems.count(); ++i)
+ w.addTopLevelItem(new StableItem(QStringList() << initialItems.at(i)));
+
+ QAbstractItemModel *model = w.model();
+ QList<QPersistentModelIndex> persistent;
+ for (int j = 0; j < model->rowCount(QModelIndex()); ++j)
+ persistent << model->index(j, 0, QModelIndex());
+
+ QSignalSpy dataChangedSpy(model, SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)));
+ QSignalSpy layoutChangedSpy(model, SIGNAL(layoutChanged()));
+
+ StableItem *item = static_cast<StableItem *>(w.topLevelItem(itemIndex));
+ item->setText(0, newValue);
+ if (forceChange)
+ item->forceChangeData();
+ for (int i = 0; i < expectedItems.count(); ++i) {
+ QCOMPARE(w.topLevelItem(i)->text(0), expectedItems.at(i));
+ for (int j = 0; j < persistent.count(); ++j) {
+ if (persistent.at(j).row() == i) // the same toplevel row
+ QCOMPARE(persistent.at(j).internalPointer(), (void *)w.topLevelItem(i));
+ }
+ }
+
+ for (int k = 0; k < persistent.count(); ++k)
+ QCOMPARE(persistent.at(k).row(), expectedRows.at(k));
+
+ QCOMPARE(dataChangedSpy.count(), 1);
+ QCOMPARE(layoutChangedSpy.count(), reorderingExpected ? 1 : 0);
+}
+
void tst_QTreeWidget::itemOperatorLessThan()
{
QTreeWidget tw;
generated by cgit v0.12 at 2024-11-12 15:35:11 (GMT)