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qt5base-lts/tests/auto/gui/itemmodels/qstandarditemmodel/tst_qstandarditemmodel.cpp
Christian Ehrlicher ac95c8b686 QStandardItem/QStandardItemModel tests: cleanup 
Cleanup QStandardItem/QStandardItemModel tests:
 - use nullptr
 - remove unused functions
 - use new signal/slot syntax
 - style

Change-Id: I2feb8550e7f740f9df4b9c1b803c2f250c1ec729
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
2020-01-13 17:01:00 +01:00

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <QStandardItemModel>
#include <QTreeView>
#include <private/qtreeview_p.h>
class tst_QStandardItemModel : public QObject
{
Q_OBJECT
public:
tst_QStandardItemModel();
enum ModelChanged {
RowsAboutToBeInserted,
RowsInserted,
RowsAboutToBeRemoved,
RowsRemoved,
ColumnsAboutToBeInserted,
ColumnsInserted,
ColumnsAboutToBeRemoved,
ColumnsRemoved
};
public slots:
void init();
void cleanup();
protected slots:
void checkAboutToBeRemoved();
void checkRemoved();
void updateRowAboutToBeRemoved();
void rowsAboutToBeInserted(const QModelIndex &parent, int first, int last)
{ modelChanged(RowsAboutToBeInserted, parent, first, last); }
void rowsInserted(const QModelIndex &parent, int first, int last)
{ modelChanged(RowsInserted, parent, first, last); }
void rowsAboutToBeRemoved(const QModelIndex &parent, int first, int last)
{ modelChanged(RowsAboutToBeRemoved, parent, first, last); }
void rowsRemoved(const QModelIndex &parent, int first, int last)
{ modelChanged(RowsRemoved, parent, first, last); }
void columnsAboutToBeInserted(const QModelIndex &parent, int first, int last)
{ modelChanged(ColumnsAboutToBeInserted, parent, first, last); }
void columnsInserted(const QModelIndex &parent, int first, int last)
{ modelChanged(ColumnsInserted, parent, first, last); }
void columnsAboutToBeRemoved(const QModelIndex &parent, int first, int last)
{ modelChanged(ColumnsAboutToBeRemoved, parent, first, last); }
void columnsRemoved(const QModelIndex &parent, int first, int last)
{ modelChanged(ColumnsRemoved, parent, first, last); }
void modelChanged(ModelChanged change, const QModelIndex &parent, int first, int last);
private slots:
void insertRow_data();
void insertRow();
void insertRows();
void insertRowsItems();
void insertRowInHierarcy();
void insertColumn_data();
void insertColumn();
void insertColumns();
void removeRows();
void removeColumns();
void setHeaderData();
void persistentIndexes();
void removingPersistentIndexes();
void updatingPersistentIndexes();
void checkChildren();
void data();
void clear();
void clearItemData();
void sort_data();
void sort();
void sortRole_data();
void sortRole();
void findItems();
void getSetHeaderItem();
void indexFromItem();
void itemFromIndex();
void getSetItemPrototype();
void getSetItemData();
void setHeaderLabels_data();
void setHeaderLabels();
void itemDataChanged();
void takeHeaderItem();
void useCase1();
void useCase2();
void useCase3();
void setNullChild();
void deleteChild();
void rootItemFlags();
#ifdef QT_BUILD_INTERNAL
void treeDragAndDrop();
#endif
void removeRowsAndColumns();
void itemRoleNames();
void getMimeDataWithInvalidModelIndex();
void supportedDragDropActions();
void taskQTBUG_45114_setItemData();
void setItemPersistentIndex();
private:
QStandardItemModel *m_model = nullptr;
QPersistentModelIndex persistent;
QVector<QModelIndex> rcParent = QVector<QModelIndex>(8);
QVector<int> rcFirst = QVector<int>(8, 0);
QVector<int> rcLast = QVector<int>(8, 0);
QVector<int> currentRoles;
//return true if models have the same structure, and all child have the same text
static bool compareModels(QStandardItemModel *model1, QStandardItemModel *model2);
//return true if models have the same structure, and all child have the same text
static bool compareItems(QStandardItem *item1, QStandardItem *item2);
};
static constexpr int defaultSize = 3;
Q_DECLARE_METATYPE(QStandardItem*)
Q_DECLARE_METATYPE(Qt::Orientation)
tst_QStandardItemModel::tst_QStandardItemModel()
{
qRegisterMetaType<QStandardItem*>("QStandardItem*");
qRegisterMetaType<Qt::Orientation>("Qt::Orientation");
qRegisterMetaType<QAbstractItemModel::LayoutChangeHint>("QAbstractItemModel::LayoutChangeHint");
qRegisterMetaType<QList<QPersistentModelIndex>>("QList<QPersistentModelIndex>");
}
/*
This test usually uses a model with a 3x3 table
---------------------------
| 0,0 | 0,1 | 0,2 |
---------------------------
| 1,0 | 1,1 | 1,2 |
---------------------------
| 2,0 | 2,1 | 2,2 |
---------------------------
*/
void tst_QStandardItemModel::init()
{
m_model = new QStandardItemModel(defaultSize, defaultSize);
connect(m_model, &QStandardItemModel::rowsAboutToBeInserted,
this, &tst_QStandardItemModel::rowsAboutToBeInserted);
connect(m_model, &QStandardItemModel::rowsInserted,
this, &tst_QStandardItemModel::rowsInserted);
connect(m_model, &QStandardItemModel::rowsAboutToBeRemoved,
this, &tst_QStandardItemModel::rowsAboutToBeRemoved);
connect(m_model, &QStandardItemModel::rowsRemoved,
this, &tst_QStandardItemModel::rowsRemoved);
connect(m_model, &QStandardItemModel::columnsAboutToBeInserted,
this, &tst_QStandardItemModel::columnsAboutToBeInserted);
connect(m_model, &QStandardItemModel::columnsInserted,
this, &tst_QStandardItemModel::columnsInserted);
connect(m_model, &QStandardItemModel::columnsAboutToBeRemoved,
this, &tst_QStandardItemModel::columnsAboutToBeRemoved);
connect(m_model, &QStandardItemModel::columnsRemoved,
this, &tst_QStandardItemModel::columnsRemoved);
connect(m_model, &QAbstractItemModel::dataChanged,
this, [this](const QModelIndex &, const QModelIndex &, const QVector<int> &roles)
{
currentRoles = roles;
});
rcFirst.fill(-1);
rcLast.fill(-1);
}
void tst_QStandardItemModel::cleanup()
{
m_model->disconnect(this);
delete m_model;
m_model = nullptr;
}
void tst_QStandardItemModel::insertRow_data()
{
QTest::addColumn<int>("insertRow");
QTest::addColumn<int>("expectedRow");
QTest::newRow("Insert less then 0") << -1 << 0;
QTest::newRow("Insert at 0") << 0 << 0;
QTest::newRow("Insert beyond count") << defaultSize+1 << defaultSize;
QTest::newRow("Insert at count") << defaultSize << defaultSize;
QTest::newRow("Insert in the middle") << 1 << 1;
}
void tst_QStandardItemModel::insertRow()
{
QFETCH(int, insertRow);
QFETCH(int, expectedRow);
QIcon icon;
// default all initial items to DisplayRole: "initalitem"
for (int r = 0; r < m_model->rowCount(); ++r) {
for (int c = 0; c < m_model->columnCount(); ++c) {
m_model->setData(m_model->index(r, c), "initialitem", Qt::DisplayRole);
}
}
// check that inserts changes rowCount
QCOMPARE(m_model->rowCount(), defaultSize);
m_model->insertRow(insertRow);
if (insertRow >= 0 && insertRow <= defaultSize) {
QCOMPARE(m_model->rowCount(), defaultSize + 1);
// check that signals were emitted with correct info
QCOMPARE(rcFirst[RowsAboutToBeInserted], expectedRow);
QCOMPARE(rcLast[RowsAboutToBeInserted], expectedRow);
QCOMPARE(rcFirst[RowsInserted], expectedRow);
QCOMPARE(rcLast[RowsInserted], expectedRow);
//check that the inserted item has different DisplayRole than initial items
QVERIFY(m_model->data(m_model->index(expectedRow, 0), Qt::DisplayRole).toString() != QLatin1String("initialitem"));
} else {
// We inserted something outside the bounds, do nothing
QCOMPARE(m_model->rowCount(), defaultSize);
QCOMPARE(rcFirst[RowsAboutToBeInserted], -1);
QCOMPARE(rcLast[RowsAboutToBeInserted], -1);
QCOMPARE(rcFirst[RowsInserted], -1);
QCOMPARE(rcLast[RowsInserted], -1);
}
}
void tst_QStandardItemModel::insertRows()
{
int rowCount = m_model->rowCount();
QCOMPARE(rowCount, defaultSize);
// insert custom header label
QString headerLabel = "custom";
m_model->setHeaderData(0, Qt::Vertical, headerLabel);
// insert one row
m_model->insertRows(0, 1);
QCOMPARE(m_model->rowCount(), rowCount + 1);
rowCount = m_model->rowCount();
// check header data has moved
QCOMPARE(m_model->headerData(1, Qt::Vertical).toString(), headerLabel);
// insert two rows
m_model->insertRows(0, 2);
QCOMPARE(m_model->rowCount(), rowCount + 2);
// check header data has moved
QCOMPARE(m_model->headerData(3, Qt::Vertical).toString(), headerLabel);
// do not assert on empty list
QStandardItem *si = m_model->invisibleRootItem();
si->insertRow(0, QList<QStandardItem*>());
si->insertRows(0, 0);
si->insertRows(0, QList<QStandardItem*>());
}
void tst_QStandardItemModel::insertRowsItems()
{
int rowCount = m_model->rowCount();
QList<QStandardItem *> items;
QStandardItemModel *m = m_model;
QStandardItem *hiddenRoot = m->invisibleRootItem();
for (int i = 0; i < 3; ++i)
items.append(new QStandardItem(QString::number(i + 10)));
hiddenRoot->appendRows(items);
QCOMPARE(m_model->rowCount(), rowCount + 3);
QCOMPARE(m_model->index(rowCount + 0, 0).data().toInt(), 10);
QCOMPARE(m_model->index(rowCount + 1, 0).data().toInt(), 11);
QCOMPARE(m_model->index(rowCount + 2, 0).data().toInt(), 12);
for (int i = rowCount; i < rowCount + 3; ++i) {
QVERIFY(m->item(i));
QCOMPARE(m->item(i)->model(), m_model);
}
}
void tst_QStandardItemModel::insertRowInHierarcy()
{
QVERIFY(m_model->insertRows(0, 1, QModelIndex()));
QVERIFY(m_model->insertColumns(0, 1, QModelIndex()));
QVERIFY(m_model->hasIndex(0, 0, QModelIndex()));
QModelIndex parent = m_model->index(0, 0, QModelIndex());
QVERIFY(parent.isValid());
QVERIFY(m_model->insertRows(0, 1, parent));
QVERIFY(m_model->insertColumns(0, 1, parent));
QVERIFY(m_model->hasIndex(0, 0, parent));
QModelIndex child = m_model->index(0, 0, parent);
QVERIFY(child.isValid());
}
void tst_QStandardItemModel::insertColumn_data()
{
QTest::addColumn<int>("insertColumn");
QTest::addColumn<int>("expectedColumn");
QTest::newRow("Insert less then 0") << -1 << 0;
QTest::newRow("Insert at 0") << 0 << 0;
QTest::newRow("Insert beyond count") << defaultSize+1 << defaultSize;
QTest::newRow("Insert at count") << defaultSize << defaultSize;
QTest::newRow("Insert in the middle") << 1 << 1;
}
void tst_QStandardItemModel::insertColumn()
{
QFETCH(int, insertColumn);
QFETCH(int, expectedColumn);
// default all initial items to DisplayRole: "initalitem"
for (int r = 0; r < m_model->rowCount(); ++r) {
for (int c = 0; c < m_model->columnCount(); ++c) {
m_model->setData(m_model->index(r, c), "initialitem", Qt::DisplayRole);
}
}
// check that inserts changes columnCount
QCOMPARE(m_model->columnCount(), defaultSize);
m_model->insertColumn(insertColumn);
if (insertColumn >= 0 && insertColumn <= defaultSize) {
QCOMPARE(m_model->columnCount(), defaultSize + 1);
// check that signals were emitted with correct info
QCOMPARE(rcFirst[ColumnsAboutToBeInserted], expectedColumn);
QCOMPARE(rcLast[ColumnsAboutToBeInserted], expectedColumn);
QCOMPARE(rcFirst[ColumnsInserted], expectedColumn);
QCOMPARE(rcLast[ColumnsInserted], expectedColumn);
//check that the inserted item has different DisplayRole than initial items
QVERIFY(m_model->data(m_model->index(0, expectedColumn), Qt::DisplayRole).toString() != QLatin1String("initialitem"));
} else {
// We inserted something outside the bounds, do nothing
QCOMPARE(m_model->columnCount(), defaultSize);
QCOMPARE(rcFirst[ColumnsAboutToBeInserted], -1);
QCOMPARE(rcLast[ColumnsAboutToBeInserted], -1);
QCOMPARE(rcFirst[ColumnsInserted], -1);
QCOMPARE(rcLast[ColumnsInserted], -1);
}
}
void tst_QStandardItemModel::insertColumns()
{
int columnCount = m_model->columnCount();
QCOMPARE(columnCount, defaultSize);
// insert custom header label
QString headerLabel = "custom";
m_model->setHeaderData(0, Qt::Horizontal, headerLabel);
// insert one column
m_model->insertColumns(0, 1);
QCOMPARE(m_model->columnCount(), columnCount + 1);
columnCount = m_model->columnCount();
// check header data has moved
QCOMPARE(m_model->headerData(1, Qt::Horizontal).toString(), headerLabel);
// insert two columns
m_model->insertColumns(0, 2);
QCOMPARE(m_model->columnCount(), columnCount + 2);
// check header data has moved
QCOMPARE(m_model->headerData(3, Qt::Horizontal).toString(), headerLabel);
// do not assert on empty list
QStandardItem *si = m_model->invisibleRootItem();
si->insertColumn(0, QList<QStandardItem*>());
si->insertColumns(0, 0);
}
void tst_QStandardItemModel::removeRows()
{
int rowCount = m_model->rowCount();
QCOMPARE(rowCount, defaultSize);
// insert custom header label
QString headerLabel = "custom";
m_model->setHeaderData(rowCount - 1, Qt::Vertical, headerLabel);
// remove one row
m_model->removeRows(0, 1);
QCOMPARE(m_model->rowCount(), rowCount - 1);
rowCount = m_model->rowCount();
// check header data has moved
QCOMPARE(m_model->headerData(rowCount - 1, Qt::Vertical).toString(), headerLabel);
// remove two rows
m_model->removeRows(0, 2);
QCOMPARE(m_model->rowCount(), rowCount - 2);
}
void tst_QStandardItemModel::removeColumns()
{
int columnCount = m_model->columnCount();
QCOMPARE(columnCount, defaultSize);
// insert custom header label
QString headerLabel = "custom";
m_model->setHeaderData(columnCount - 1, Qt::Horizontal, headerLabel);
// remove one column
m_model->removeColumns(0, 1);
QCOMPARE(m_model->columnCount(), columnCount - 1);
columnCount = m_model->columnCount();
// check header data has moved
QCOMPARE(m_model->headerData(columnCount - 1, Qt::Horizontal).toString(), headerLabel);
// remove two columns
m_model->removeColumns(0, 2);
QCOMPARE(m_model->columnCount(), columnCount - 2);
}
void tst_QStandardItemModel::setHeaderData()
{
for (int x = 0; x < 2; ++x) {
bool vertical = (x == 0);
int count = vertical ? m_model->rowCount() : m_model->columnCount();
QCOMPARE(count, defaultSize);
Qt::Orientation orient = vertical ? Qt::Vertical : Qt::Horizontal;
// check default values are ok
for (int i = 0; i < count; ++i)
QCOMPARE(m_model->headerData(i, orient).toString(), QString::number(i + 1));
QSignalSpy headerDataChangedSpy(
m_model, &QAbstractItemModel::headerDataChanged);
QSignalSpy dataChangedSpy(
m_model, &QAbstractItemModel::dataChanged);
// insert custom values and check
for (int i = 0; i < count; ++i) {
QString customString = QString("custom") + QString::number(i);
QCOMPARE(m_model->setHeaderData(i, orient, customString), true);
QCOMPARE(headerDataChangedSpy.count(), 1);
QCOMPARE(dataChangedSpy.count(), 0);
QVariantList args = headerDataChangedSpy.takeFirst();
QCOMPARE(qvariant_cast<Qt::Orientation>(args.at(0)), orient);
QCOMPARE(args.at(1).toInt(), i);
QCOMPARE(args.at(2).toInt(), i);
QCOMPARE(m_model->headerData(i, orient).toString(), customString);
QCOMPARE(m_model->setHeaderData(i, orient, customString), true);
QCOMPARE(headerDataChangedSpy.count(), 0);
QCOMPARE(dataChangedSpy.count(), 0);
}
//check read from invalid sections
QVERIFY(!m_model->headerData(count, orient).isValid());
QVERIFY(!m_model->headerData(-1, orient).isValid());
//check write to invalid section
QCOMPARE(m_model->setHeaderData(count, orient, "foo"), false);
QCOMPARE(m_model->setHeaderData(-1, orient, "foo"), false);
QVERIFY(!m_model->headerData(count, orient).isValid());
QVERIFY(!m_model->headerData(-1, orient).isValid());
}
}
void tst_QStandardItemModel::persistentIndexes()
{
QCOMPARE(m_model->rowCount(), defaultSize);
QCOMPARE(m_model->columnCount(), defaultSize);
// create a persisten index at 0,0
QPersistentModelIndex persistentIndex(m_model->index(0, 0));
// verify it is ok and at the correct spot
QVERIFY(persistentIndex.isValid());
QCOMPARE(persistentIndex.row(), 0);
QCOMPARE(persistentIndex.column(), 0);
// insert row and check that the persisten index has moved
QVERIFY(m_model->insertRow(0));
QVERIFY(persistentIndex.isValid());
QCOMPARE(persistentIndex.row(), 1);
QCOMPARE(persistentIndex.column(), 0);
// insert row after the persisten index and see that it stays the same
QVERIFY(m_model->insertRow(m_model->rowCount()));
QVERIFY(persistentIndex.isValid());
QCOMPARE(persistentIndex.row(), 1);
QCOMPARE(persistentIndex.column(), 0);
// insert column and check that the persisten index has moved
QVERIFY(m_model->insertColumn(0));
QVERIFY(persistentIndex.isValid());
QCOMPARE(persistentIndex.row(), 1);
QCOMPARE(persistentIndex.column(), 1);
// insert column after the persisten index and see that it stays the same
QVERIFY(m_model->insertColumn(m_model->columnCount()));
QVERIFY(persistentIndex.isValid());
QCOMPARE(persistentIndex.row(), 1);
QCOMPARE(persistentIndex.column(), 1);
// removes a row beyond the persistent index and see it stays the same
QVERIFY(m_model->removeRow(m_model->rowCount() - 1));
QVERIFY(persistentIndex.isValid());
QCOMPARE(persistentIndex.row(), 1);
QCOMPARE(persistentIndex.column(), 1);
// removes a column beyond the persistent index and see it stays the same
QVERIFY(m_model->removeColumn(m_model->columnCount() - 1));
QVERIFY(persistentIndex.isValid());
QCOMPARE(persistentIndex.row(), 1);
QCOMPARE(persistentIndex.column(), 1);
// removes a row before the persistent index and see it moves the same
QVERIFY(m_model->removeRow(0));
QVERIFY(persistentIndex.isValid());
QCOMPARE(persistentIndex.row(), 0);
QCOMPARE(persistentIndex.column(), 1);
// removes a column before the persistent index and see it moves the same
QVERIFY(m_model->removeColumn(0));
QVERIFY(persistentIndex.isValid());
QCOMPARE(persistentIndex.row(), 0);
QCOMPARE(persistentIndex.column(), 0);
// remove the row where the persistent index is, and see that it becomes invalid
QVERIFY(m_model->removeRow(0));
QVERIFY(!persistentIndex.isValid());
// remove the row where the persistent index is, and see that it becomes invalid
persistentIndex = m_model->index(0, 0);
QVERIFY(persistentIndex.isValid());
QVERIFY(m_model->removeColumn(0));
QVERIFY(!persistentIndex.isValid());
}
void tst_QStandardItemModel::checkAboutToBeRemoved()
{
QVERIFY(persistent.isValid());
}
void tst_QStandardItemModel::checkRemoved()
{
QVERIFY(!persistent.isValid());
}
void tst_QStandardItemModel::removingPersistentIndexes()
{
// add 10 rows and columns to model to make it big enough
QVERIFY(m_model->insertRows(0, 10));
QVERIFY(m_model->insertColumns(0, 10));
connect(m_model, &QAbstractItemModel::rowsAboutToBeRemoved,
this, &tst_QStandardItemModel::checkAboutToBeRemoved);
connect(m_model, &QAbstractItemModel::rowsRemoved,
this, &tst_QStandardItemModel::checkRemoved);
connect(m_model, &QAbstractItemModel::columnsAboutToBeRemoved,
this, &tst_QStandardItemModel::checkAboutToBeRemoved);
connect(m_model, &QAbstractItemModel::columnsRemoved,
this, &tst_QStandardItemModel::checkRemoved);
// test removeRow
// add child table 3x3 to parent index(0, 0)
QVERIFY(m_model->insertRows(0, 3, m_model->index(0, 0)));
QVERIFY(m_model->insertColumns(0, 3, m_model->index(0, 0)));
// set child to persistent and delete parent row
persistent = m_model->index(0, 0, m_model->index(0, 0));
QVERIFY(persistent.isValid());
QVERIFY(m_model->removeRow(0));
// set persistent to index(0, 0) and remove that row
persistent = m_model->index(0, 0);
QVERIFY(persistent.isValid());
QVERIFY(m_model->removeRow(0));
// test removeColumn
// add child table 3x3 to parent index (0, 0)
QVERIFY(m_model->insertRows(0, 3, m_model->index(0, 0)));
QVERIFY(m_model->insertColumns(0, 3, m_model->index(0, 0)));
// set child to persistent and delete parent column
persistent = m_model->index(0, 0, m_model->index(0, 0));
QVERIFY(persistent.isValid());
QVERIFY(m_model->removeColumn(0));
// set persistent to index(0, 0) and remove that column
persistent = m_model->index(0, 0);
QVERIFY(persistent.isValid());
QVERIFY(m_model->removeColumn(0));
disconnect(m_model, &QAbstractItemModel::rowsAboutToBeRemoved,
this, &tst_QStandardItemModel::checkAboutToBeRemoved);
disconnect(m_model, &QAbstractItemModel::rowsRemoved,
this, &tst_QStandardItemModel::checkRemoved);
disconnect(m_model, &QAbstractItemModel::columnsAboutToBeRemoved,
this, &tst_QStandardItemModel::checkAboutToBeRemoved);
disconnect(m_model, &QAbstractItemModel::columnsRemoved,
this, &tst_QStandardItemModel::checkRemoved);
}
void tst_QStandardItemModel::updateRowAboutToBeRemoved()
{
QModelIndex idx = m_model->index(0, 0);
QVERIFY(idx.isValid());
persistent = idx;
}
void tst_QStandardItemModel::updatingPersistentIndexes()
{
connect(m_model, &QAbstractItemModel::rowsAboutToBeRemoved,
this, &tst_QStandardItemModel::updateRowAboutToBeRemoved);
persistent = m_model->index(1, 0);
QVERIFY(persistent.isValid());
QVERIFY(m_model->removeRow(1));
QVERIFY(persistent.isValid());
QPersistentModelIndex tmp = m_model->index(0, 0);
QCOMPARE(persistent, tmp);
disconnect(m_model, &QAbstractItemModel::rowsAboutToBeRemoved,
this, &tst_QStandardItemModel::updateRowAboutToBeRemoved);
}
void tst_QStandardItemModel::modelChanged(ModelChanged change, const QModelIndex &parent,
int first, int last)
{
rcParent[change] = parent;
rcFirst[change] = first;
rcLast[change] = last;
}
void tst_QStandardItemModel::checkChildren()
{
QStandardItemModel model(0, 0);
QCOMPARE(model.rowCount(), 0);
QCOMPARE(model.columnCount(), 0);
QVERIFY(!model.hasChildren());
QVERIFY(model.insertRows(0, 1));
QVERIFY(!model.hasChildren());
QCOMPARE(model.rowCount(), 1);
QCOMPARE(model.columnCount(), 0);
QVERIFY(model.insertColumns(0, 1));
QVERIFY(model.hasChildren());
QCOMPARE(model.rowCount(), 1);
QCOMPARE(model.columnCount(), 1);
QModelIndex idx = model.index(0, 0);
QVERIFY(!model.hasChildren(idx));
QCOMPARE(model.rowCount(idx), 0);
QCOMPARE(model.columnCount(idx), 0);
QVERIFY(model.insertRows(0, 1, idx));
QVERIFY(!model.hasChildren(idx));
QCOMPARE(model.rowCount(idx), 1);
QCOMPARE(model.columnCount(idx), 0);
QVERIFY(model.insertColumns(0, 1, idx));
QVERIFY(model.hasChildren(idx));
QCOMPARE(model.rowCount(idx), 1);
QCOMPARE(model.columnCount(idx), 1);
QModelIndex idx2 = model.index(0, 0, idx);
QVERIFY(!model.hasChildren(idx2));
QCOMPARE(model.rowCount(idx2), 0);
QCOMPARE(model.columnCount(idx2), 0);
QVERIFY(model.removeRows(0, 1, idx));
QVERIFY(model.hasChildren());
QCOMPARE(model.rowCount(), 1);
QCOMPARE(model.columnCount(), 1);
QVERIFY(!model.hasChildren(idx));
QCOMPARE(model.rowCount(idx), 0);
QCOMPARE(model.columnCount(idx), 1);
QVERIFY(model.removeRows(0, 1));
QVERIFY(!model.hasChildren());
QCOMPARE(model.rowCount(), 0);
QCOMPARE(model.columnCount(), 1);
QVERIFY(!model.index(0,0).sibling(100,100).isValid());
}
void tst_QStandardItemModel::data()
{
currentRoles.clear();
// bad args
m_model->setData(QModelIndex(), "bla", Qt::DisplayRole);
QCOMPARE(currentRoles, QVector<int>{});
QIcon icon;
for (int r = 0; r < m_model->rowCount(); ++r) {
for (int c = 0; c < m_model->columnCount(); ++c) {
m_model->setData(m_model->index(r,c), "initialitem", Qt::DisplayRole);
QCOMPARE(currentRoles, QVector<int>({Qt::DisplayRole, Qt::EditRole}));
m_model->setData(m_model->index(r,c), "tooltip", Qt::ToolTipRole);
QCOMPARE(currentRoles, QVector<int>{Qt::ToolTipRole});
m_model->setData(m_model->index(r,c), icon, Qt::DecorationRole);
QCOMPARE(currentRoles, QVector<int>{Qt::DecorationRole});
}
}
QCOMPARE(m_model->data(m_model->index(0, 0), Qt::DisplayRole).toString(), QLatin1String("initialitem"));
QCOMPARE(m_model->data(m_model->index(0, 0), Qt::ToolTipRole).toString(), QLatin1String("tooltip"));
const QMap<int, QVariant> itmData = m_model->itemData(m_model->index(0, 0));
QCOMPARE(itmData.value(Qt::DisplayRole), QLatin1String("initialitem"));
QCOMPARE(itmData.value(Qt::ToolTipRole), QLatin1String("tooltip"));
QVERIFY(!itmData.contains(Qt::UserRole - 1));
QVERIFY(m_model->itemData(QModelIndex()).isEmpty());
}
void tst_QStandardItemModel::clearItemData()
{
currentRoles.clear();
QVERIFY(!m_model->clearItemData(QModelIndex()));
QCOMPARE(currentRoles, QVector<int>{});
const QModelIndex idx = m_model->index(0, 0);
const QMap<int, QVariant> oldData = m_model->itemData(idx);
m_model->setData(idx, QLatin1String("initialitem"), Qt::DisplayRole);
m_model->setData(idx, QLatin1String("tooltip"), Qt::ToolTipRole);
m_model->setData(idx, 5, Qt::UserRole);
currentRoles.clear();
QVERIFY(m_model->clearItemData(idx));
QCOMPARE(idx.data(Qt::UserRole), QVariant());
QCOMPARE(idx.data(Qt::ToolTipRole), QVariant());
QCOMPARE(idx.data(Qt::DisplayRole), QVariant());
QCOMPARE(idx.data(Qt::EditRole), QVariant());
QCOMPARE(currentRoles, QVector<int>{});
m_model->setItemData(idx, oldData);
currentRoles.clear();
}
void tst_QStandardItemModel::clear()
{
QStandardItemModel model;
model.insertColumns(0, 10);
model.insertRows(0, 10);
QCOMPARE(model.columnCount(), 10);
QCOMPARE(model.rowCount(), 10);
QSignalSpy modelResetSpy(&model, &QStandardItemModel::modelReset);
QSignalSpy layoutChangedSpy(&model, &QStandardItemModel::layoutChanged);
QSignalSpy rowsRemovedSpy(&model, &QStandardItemModel::rowsRemoved);
QAbstractItemModelTester mt(&model);
model.clear();
QCOMPARE(modelResetSpy.count(), 1);
QCOMPARE(layoutChangedSpy.count(), 0);
QCOMPARE(rowsRemovedSpy.count(), 0);
QCOMPARE(model.index(0, 0), QModelIndex());
QCOMPARE(model.columnCount(), 0);
QCOMPARE(model.rowCount(), 0);
QCOMPARE(model.hasChildren(), false);
}
void tst_QStandardItemModel::sort_data()
{
QTest::addColumn<Qt::SortOrder>("sortOrder");
QTest::addColumn<QStringList>("initial");
QTest::addColumn<QStringList>("expected");
const QStringList unsorted(
{"delta", "yankee", "bravo", "lima", "charlie", "juliet",
"tango", "hotel", "uniform", "alpha", "echo", "golf",
"quebec", "foxtrot", "india", "romeo", "november",
"oskar", "zulu", "kilo", "whiskey", "mike", "papa",
"sierra", "xray" , "viktor"});
QStringList sorted = unsorted;
std::sort(sorted.begin(), sorted.end());
QTest::newRow("flat ascending") << Qt::AscendingOrder
<< unsorted
<< sorted;
std::reverse(sorted.begin(), sorted.end());
QTest::newRow("flat descending") << Qt::DescendingOrder
<< unsorted
<< sorted;
QStringList list;
for (int i = 1000; i < 2000; ++i)
list.append(QStringLiteral("Number: ") + QString::number(i));
QTest::newRow("large set ascending") << Qt::AscendingOrder << list << list;
}
void tst_QStandardItemModel::sort()
{
QFETCH(Qt::SortOrder, sortOrder);
QFETCH(QStringList, initial);
QFETCH(QStringList, expected);
// prepare model
QStandardItemModel model;
QVERIFY(model.insertRows(0, initial.count(), QModelIndex()));
QCOMPARE(model.rowCount(QModelIndex()), initial.count());
model.insertColumns(0, 1, QModelIndex());
QCOMPARE(model.columnCount(QModelIndex()), 1);
for (int row = 0; row < model.rowCount(QModelIndex()); ++row) {
QModelIndex index = model.index(row, 0, QModelIndex());
model.setData(index, initial.at(row), Qt::DisplayRole);
}
QSignalSpy layoutAboutToBeChangedSpy(
&model, &QStandardItemModel::layoutAboutToBeChanged);
QSignalSpy layoutChangedSpy(
&model, &QStandardItemModel::layoutChanged);
// sort
model.sort(0, sortOrder);
QCOMPARE(layoutAboutToBeChangedSpy.count(), 1);
QCOMPARE(layoutChangedSpy.count(), 1);
// make sure the model is sorted
for (int row = 0; row < model.rowCount(QModelIndex()); ++row) {
QModelIndex index = model.index(row, 0, QModelIndex());
QCOMPARE(model.data(index, Qt::DisplayRole).toString(), expected.at(row));
}
}
void tst_QStandardItemModel::sortRole_data()
{
QTest::addColumn<QStringList>("initialText");
QTest::addColumn<QVariantList>("initialData");
QTest::addColumn<Qt::ItemDataRole>("sortRole");
QTest::addColumn<Qt::SortOrder>("sortOrder");
QTest::addColumn<QStringList>("expectedText");
QTest::addColumn<QVariantList>("expectedData");
QTest::newRow("sort ascending with Qt::DisplayRole")
<< (QStringList() << "b" << "a" << "c")
<< (QVariantList() << 2 << 3 << 1)
<< Qt::DisplayRole
<< Qt::AscendingOrder
<< (QStringList() << "a" << "b" << "c")
<< (QVariantList() << 3 << 2 << 1);
QTest::newRow("sort ascending with Qt::UserRole")
<< (QStringList() << "a" << "b" << "c")
<< (QVariantList() << 3 << 2 << 1)
<< Qt::UserRole
<< Qt::AscendingOrder
<< (QStringList() << "c" << "b" << "a")
<< (QVariantList() << 1 << 2 << 3);
}
void tst_QStandardItemModel::sortRole()
{
QFETCH(QStringList, initialText);
QFETCH(QVariantList, initialData);
QFETCH(Qt::ItemDataRole, sortRole);
QFETCH(Qt::SortOrder, sortOrder);
QFETCH(QStringList, expectedText);
QFETCH(QVariantList, expectedData);
QStandardItemModel model;
for (int i = 0; i < initialText.count(); ++i) {
QStandardItem *item = new QStandardItem;
item->setText(initialText.at(i));
item->setData(initialData.at(i), Qt::UserRole);
model.appendRow(item);
}
model.setSortRole(sortRole);
model.sort(0, sortOrder);
for (int i = 0; i < expectedText.count(); ++i) {
QStandardItem *item = model.item(i);
QCOMPARE(item->text(), expectedText.at(i));
QCOMPARE(item->data(Qt::UserRole), expectedData.at(i));
}
}
void tst_QStandardItemModel::findItems()
{
QStandardItemModel model;
model.appendRow(new QStandardItem(QLatin1String("foo")));
model.appendRow(new QStandardItem(QLatin1String("bar")));
model.item(1)->appendRow(new QStandardItem(QLatin1String("foo")));
QList<QStandardItem*> matches;
matches = model.findItems(QLatin1String("foo"), Qt::MatchExactly|Qt::MatchRecursive, 0);
QCOMPARE(matches.count(), 2);
matches = model.findItems(QLatin1String("foo"), Qt::MatchExactly, 0);
QCOMPARE(matches.count(), 1);
matches = model.findItems(QLatin1String("food"), Qt::MatchExactly|Qt::MatchRecursive, 0);
QCOMPARE(matches.count(), 0);
matches = model.findItems(QLatin1String("foo"), Qt::MatchExactly|Qt::MatchRecursive, -1);
QCOMPARE(matches.count(), 0);
matches = model.findItems(QLatin1String("foo"), Qt::MatchExactly|Qt::MatchRecursive, 1);
QCOMPARE(matches.count(), 0);
}
void tst_QStandardItemModel::getSetHeaderItem()
{
QStandardItemModel model;
QCOMPARE(model.horizontalHeaderItem(0), nullptr);
QStandardItem *hheader = new QStandardItem();
model.setHorizontalHeaderItem(0, hheader);
QCOMPARE(model.columnCount(), 1);
QCOMPARE(model.horizontalHeaderItem(0), hheader);
QCOMPARE(hheader->model(), &model);
model.setHorizontalHeaderItem(0, nullptr);
QCOMPARE(model.horizontalHeaderItem(0), nullptr);
QCOMPARE(model.verticalHeaderItem(0), nullptr);
QStandardItem *vheader = new QStandardItem();
model.setVerticalHeaderItem(0, vheader);
QCOMPARE(model.rowCount(), 1);
QCOMPARE(model.verticalHeaderItem(0), vheader);
QCOMPARE(vheader->model(), &model);
model.setVerticalHeaderItem(0, nullptr);
QCOMPARE(model.verticalHeaderItem(0), nullptr);
}
void tst_QStandardItemModel::indexFromItem()
{
QStandardItemModel model;
QCOMPARE(model.indexFromItem(model.invisibleRootItem()), QModelIndex());
QStandardItem *item = new QStandardItem;
model.setItem(10, 20, item);
QCOMPARE(item->model(), &model);
QModelIndex itemIndex = model.indexFromItem(item);
QVERIFY(itemIndex.isValid());
QCOMPARE(itemIndex.row(), 10);
QCOMPARE(itemIndex.column(), 20);
QCOMPARE(itemIndex.parent(), QModelIndex());
QCOMPARE(itemIndex.model(), &model);
QStandardItem *child = new QStandardItem;
item->setChild(4, 2, child);
QModelIndex childIndex = model.indexFromItem(child);
QVERIFY(childIndex.isValid());
QCOMPARE(childIndex.row(), 4);
QCOMPARE(childIndex.column(), 2);
QCOMPARE(childIndex.parent(), itemIndex);
QStandardItem *dummy = new QStandardItem;
QModelIndex noSuchIndex = model.indexFromItem(dummy);
QVERIFY(!noSuchIndex.isValid());
delete dummy;
noSuchIndex = model.indexFromItem(nullptr);
QVERIFY(!noSuchIndex.isValid());
}
void tst_QStandardItemModel::itemFromIndex()
{
QStandardItemModel model;
QCOMPARE(model.itemFromIndex(QModelIndex()), nullptr);
QStandardItem *item = new QStandardItem;
model.setItem(10, 20, item);
QModelIndex itemIndex = model.index(10, 20, QModelIndex());
QVERIFY(itemIndex.isValid());
QCOMPARE(model.itemFromIndex(itemIndex), item);
QStandardItem *child = new QStandardItem;
item->setChild(4, 2, child);
QModelIndex childIndex = model.index(4, 2, itemIndex);
QVERIFY(childIndex.isValid());
QCOMPARE(model.itemFromIndex(childIndex), child);
QModelIndex noSuchIndex = model.index(99, 99, itemIndex);
QVERIFY(!noSuchIndex.isValid());
}
class CustomItem : public QStandardItem
{
public:
using QStandardItem::QStandardItem;
int type() const override { return UserType; }
QStandardItem *clone() const override { return new CustomItem; }
};
void tst_QStandardItemModel::getSetItemPrototype()
{
QStandardItemModel model;
QCOMPARE(model.itemPrototype(), nullptr);
const CustomItem *proto = new CustomItem;
model.setItemPrototype(proto);
QCOMPARE(model.itemPrototype(), proto);
model.setRowCount(1);
model.setColumnCount(1);
QModelIndex index = model.index(0, 0, QModelIndex());
model.setData(index, "foo");
QStandardItem *item = model.itemFromIndex(index);
QVERIFY(item != nullptr);
QCOMPARE(item->type(), static_cast<int>(QStandardItem::UserType));
model.setItemPrototype(nullptr);
QCOMPARE(model.itemPrototype(), nullptr);
}
void tst_QStandardItemModel::getSetItemData()
{
QMap<int, QVariant> roles;
QLatin1String text("text");
roles.insert(Qt::DisplayRole, text);
QLatin1String statusTip("statusTip");
roles.insert(Qt::StatusTipRole, statusTip);
QLatin1String toolTip("toolTip");
roles.insert(Qt::ToolTipRole, toolTip);
QLatin1String whatsThis("whatsThis");
roles.insert(Qt::WhatsThisRole, whatsThis);
QSize sizeHint(64, 48);
roles.insert(Qt::SizeHintRole, sizeHint);
QFont font;
roles.insert(Qt::FontRole, font);
Qt::Alignment textAlignment(Qt::AlignLeft|Qt::AlignVCenter);
roles.insert(Qt::TextAlignmentRole, int(textAlignment));
QColor backgroundColor(Qt::blue);
roles.insert(Qt::BackgroundRole, backgroundColor);
QColor textColor(Qt::green);
roles.insert(Qt::ForegroundRole, textColor);
Qt::CheckState checkState(Qt::PartiallyChecked);
roles.insert(Qt::CheckStateRole, int(checkState));
QLatin1String accessibleText("accessibleText");
roles.insert(Qt::AccessibleTextRole, accessibleText);
QLatin1String accessibleDescription("accessibleDescription");
roles.insert(Qt::AccessibleDescriptionRole, accessibleDescription);
QStandardItemModel model;
model.insertRows(0, 1);
model.insertColumns(0, 1);
QModelIndex idx = model.index(0, 0, QModelIndex());
QSignalSpy modelDataChangedSpy(
&model, &QStandardItemModel::dataChanged);
QVERIFY(model.setItemData(idx, roles));
QCOMPARE(modelDataChangedSpy.count(), 1);
QVERIFY(model.setItemData(idx, roles));
QCOMPARE(modelDataChangedSpy.count(), 1); //it was already changed once
QCOMPARE(model.itemData(idx), roles);
}
void tst_QStandardItemModel::setHeaderLabels_data()
{
QTest::addColumn<int>("rows");
QTest::addColumn<int>("columns");
QTest::addColumn<Qt::Orientation>("orientation");
QTest::addColumn<QStringList>("labels");
QTest::addColumn<QStringList>("expectedLabels");
QTest::newRow("horizontal labels")
<< 1
<< 4
<< Qt::Horizontal
<< (QStringList() << "a" << "b" << "c" << "d")
<< (QStringList() << "a" << "b" << "c" << "d");
QTest::newRow("vertical labels")
<< 4
<< 1
<< Qt::Vertical
<< (QStringList() << "a" << "b" << "c" << "d")
<< (QStringList() << "a" << "b" << "c" << "d");
QTest::newRow("too few (horizontal)")
<< 1
<< 4
<< Qt::Horizontal
<< (QStringList() << "a" << "b")
<< (QStringList() << "a" << "b" << "3" << "4");
QTest::newRow("too few (vertical)")
<< 4
<< 1
<< Qt::Vertical
<< (QStringList() << "a" << "b")
<< (QStringList() << "a" << "b" << "3" << "4");
QTest::newRow("too many (horizontal)")
<< 1
<< 2
<< Qt::Horizontal
<< (QStringList() << "a" << "b" << "c" << "d")
<< (QStringList() << "a" << "b" << "c" << "d");
QTest::newRow("too many (vertical)")
<< 2
<< 1
<< Qt::Vertical
<< (QStringList() << "a" << "b" << "c" << "d")
<< (QStringList() << "a" << "b" << "c" << "d");
}
void tst_QStandardItemModel::setHeaderLabels()
{
QFETCH(int, rows);
QFETCH(int, columns);
QFETCH(Qt::Orientation, orientation);
QFETCH(QStringList, labels);
QFETCH(QStringList, expectedLabels);
QStandardItemModel model(rows, columns);
QSignalSpy columnsInsertedSpy(&model, &QAbstractItemModel::columnsInserted);
QSignalSpy rowsInsertedSpy(&model, &QAbstractItemModel::rowsInserted);
if (orientation == Qt::Horizontal)
model.setHorizontalHeaderLabels(labels);
else
model.setVerticalHeaderLabels(labels);
for (int i = 0; i < expectedLabels.count(); ++i)
QCOMPARE(model.headerData(i, orientation).toString(), expectedLabels.at(i));
QCOMPARE(columnsInsertedSpy.count(),
(orientation == Qt::Vertical) ? 0 : labels.count() > columns);
QCOMPARE(rowsInsertedSpy.count(),
(orientation == Qt::Horizontal) ? 0 : labels.count() > rows);
}
void tst_QStandardItemModel::itemDataChanged()
{
QStandardItemModel model(6, 4);
QStandardItem item;
QSignalSpy dataChangedSpy(&model, &QStandardItemModel::dataChanged);
QSignalSpy itemChangedSpy(&model, &QStandardItemModel::itemChanged);
model.setItem(0, &item);
QCOMPARE(dataChangedSpy.count(), 1);
QCOMPARE(itemChangedSpy.count(), 1);
QModelIndex index = model.indexFromItem(&item);
QList<QVariant> args;
args = dataChangedSpy.takeFirst();
QCOMPARE(qvariant_cast<QModelIndex>(args.at(0)), index);
QCOMPARE(qvariant_cast<QModelIndex>(args.at(1)), index);
args = itemChangedSpy.takeFirst();
QCOMPARE(qvariant_cast<QStandardItem*>(args.at(0)), &item);
item.setData(QLatin1String("foo"), Qt::DisplayRole);
QCOMPARE(dataChangedSpy.count(), 1);
QCOMPARE(itemChangedSpy.count(), 1);
args = dataChangedSpy.takeFirst();
QCOMPARE(qvariant_cast<QModelIndex>(args.at(0)), index);
QCOMPARE(qvariant_cast<QModelIndex>(args.at(1)), index);
args = itemChangedSpy.takeFirst();
QCOMPARE(qvariant_cast<QStandardItem*>(args.at(0)), &item);
item.setData(item.data(Qt::DisplayRole), Qt::DisplayRole);
QCOMPARE(dataChangedSpy.count(), 0);
QCOMPARE(itemChangedSpy.count(), 0);
item.setFlags(Qt::ItemIsEnabled);
QCOMPARE(dataChangedSpy.count(), 1);
QCOMPARE(itemChangedSpy.count(), 1);
args = dataChangedSpy.takeFirst();
QCOMPARE(qvariant_cast<QModelIndex>(args.at(0)), index);
QCOMPARE(qvariant_cast<QModelIndex>(args.at(1)), index);
args = itemChangedSpy.takeFirst();
QCOMPARE(qvariant_cast<QStandardItem*>(args.at(0)), &item);
item.setFlags(item.flags());
QCOMPARE(dataChangedSpy.count(), 0);
QCOMPARE(itemChangedSpy.count(), 0);
}
void tst_QStandardItemModel::takeHeaderItem()
{
QStandardItemModel model;
// set header items
QScopedPointer<QStandardItem> hheader(new QStandardItem());
model.setHorizontalHeaderItem(0, hheader.get());
QScopedPointer<QStandardItem> vheader(new QStandardItem());
model.setVerticalHeaderItem(0, vheader.get());
// take header items
QCOMPARE(model.takeHorizontalHeaderItem(0), hheader.get());
QCOMPARE(model.takeVerticalHeaderItem(0), vheader.get());
QCOMPARE(hheader->model(), nullptr);
QCOMPARE(vheader->model(), nullptr);
QCOMPARE(model.takeHorizontalHeaderItem(0), nullptr);
QCOMPARE(model.takeVerticalHeaderItem(0), nullptr);
}
void tst_QStandardItemModel::useCase1()
{
const int rows = 5;
const int columns = 8;
QStandardItemModel model(rows, columns);
for (int i = 0; i < model.rowCount(); ++i) {
for (int j = 0; j < model.columnCount(); ++j) {
QCOMPARE(model.item(i, j), nullptr);
QStandardItem *item = new QStandardItem();
model.setItem(i, j, item);
QCOMPARE(item->row(), i);
QCOMPARE(item->column(), j);
QCOMPARE(item->model(), &model);
QModelIndex index = model.indexFromItem(item);
QCOMPARE(index, model.index(i, j, QModelIndex()));
QStandardItem *sameItem = model.itemFromIndex(index);
QCOMPARE(sameItem, item);
}
}
}
static void createChildren(QStandardItemModel *model, QStandardItem *parent, int level)
{
if (level > 4)
return;
for (int i = 0; i < 4; ++i) {
QCOMPARE(parent->rowCount(), i);
parent->appendRow(QList<QStandardItem*>());
for (int j = 0; j < parent->columnCount(); ++j) {
QStandardItem *item = new QStandardItem();
parent->setChild(i, j, item);
QCOMPARE(item->row(), i);
QCOMPARE(item->column(), j);
QModelIndex parentIndex = model->indexFromItem(parent);
QModelIndex index = model->indexFromItem(item);
QCOMPARE(index, model->index(i, j, parentIndex));
QStandardItem *theItem = model->itemFromIndex(index);
QCOMPARE(theItem, item);
QStandardItem *theParent = model->itemFromIndex(parentIndex);
QCOMPARE(theParent, (level == 0) ? static_cast<QStandardItem *>(nullptr) : parent);
}
{
QStandardItem *item = parent->child(i);
item->setColumnCount(parent->columnCount());
createChildren(model, item, level + 1);
}
}
}
void tst_QStandardItemModel::useCase2()
{
QStandardItemModel model;
model.setColumnCount(2);
createChildren(&model, model.invisibleRootItem(), 0);
}
void tst_QStandardItemModel::useCase3()
{
// create the tree structure first
QStandardItem *childItem = nullptr;
for (int i = 0; i < 100; ++i) {
QStandardItem *item = new QStandardItem(QStringLiteral("item ") + QString::number(i));
if (childItem)
item->appendRow(childItem);
childItem = item;
}
// add to model as last step
QStandardItemModel model;
model.appendRow(childItem);
// make sure each item has the correct model and parent
QStandardItem *parentItem = nullptr;
while (childItem) {
QCOMPARE(childItem->model(), &model);
QCOMPARE(childItem->parent(), parentItem);
parentItem = childItem;
childItem = childItem->child(0);
}
// take the item, make sure model is set to 0, but that parents are the same
childItem = model.takeItem(0);
{
parentItem = nullptr;
QStandardItem *item = childItem;
while (item) {
QCOMPARE(item->model(), nullptr);
QCOMPARE(item->parent(), parentItem);
parentItem = item;
item = item->child(0);
}
}
delete childItem;
}
void tst_QStandardItemModel::setNullChild()
{
QStandardItemModel model;
model.setColumnCount(2);
createChildren(&model, model.invisibleRootItem(), 0);
QStandardItem *item = model.item(0);
QSignalSpy spy(&model, &QAbstractItemModel::dataChanged);
item->setChild(0, nullptr);
QCOMPARE(item->child(0), nullptr);
QCOMPARE(spy.count(), 1);
}
void tst_QStandardItemModel::deleteChild()
{
QStandardItemModel model;
model.setColumnCount(2);
createChildren(&model, model.invisibleRootItem(), 0);
QStandardItem *item = model.item(0);
QSignalSpy spy(&model, &QAbstractItemModel::dataChanged);
delete item->child(0);
QCOMPARE(item->child(0), nullptr);
QCOMPARE(spy.count(), 1);
}
void tst_QStandardItemModel::rootItemFlags()
{
QStandardItemModel model(6, 4);
QCOMPARE(model.invisibleRootItem()->flags() , model.flags(QModelIndex()));
QCOMPARE(model.invisibleRootItem()->flags() , Qt::ItemIsDropEnabled);
Qt::ItemFlags f = Qt::ItemIsDropEnabled | Qt::ItemIsEnabled;
model.invisibleRootItem()->setFlags(f);
QCOMPARE(model.invisibleRootItem()->flags() , f);
QCOMPARE(model.invisibleRootItem()->flags() , model.flags(QModelIndex()));
#if QT_CONFIG(draganddrop)
model.invisibleRootItem()->setDropEnabled(false);
#endif
QCOMPARE(model.invisibleRootItem()->flags() , Qt::ItemIsEnabled);
QCOMPARE(model.invisibleRootItem()->flags() , model.flags(QModelIndex()));
}
bool tst_QStandardItemModel::compareModels(QStandardItemModel *model1, QStandardItemModel *model2)
{
return compareItems(model1->invisibleRootItem(), model2->invisibleRootItem());
}
bool tst_QStandardItemModel::compareItems(QStandardItem *item1, QStandardItem *item2)
{
if (!item1 && !item2)
return true;
if (!item1 || !item2)
return false;
if (item1->text() != item2->text()) {
qDebug() << item1->text() << item2->text();
return false;
}
if (item1->rowCount() != item2->rowCount()) {
// qDebug() << "RowCount" << item1->text() << item1->rowCount() << item2->rowCount();
return false;
}
if (item1->columnCount() != item2->columnCount()) {
// qDebug() << "ColumnCount" << item1->text() << item1->columnCount() << item2->columnCount();
return false;
}
for (int row = 0; row < item1->columnCount(); row++) {
for (int col = 0; col < item1->columnCount(); col++) {
if (!compareItems(item1->child(row, col), item2->child(row, col)))
return false;
}
}
return true;
}
static QStandardItem *itemFromText(QStandardItem *parent, const QString &text)
{
QStandardItem *item = nullptr;
for (int i = 0; i < parent->columnCount(); i++) {
for (int j = 0; j < parent->rowCount(); j++) {
QStandardItem *child = parent->child(j, i);
if (!child)
continue;
if (child->text() == text) {
if (item)
return nullptr;
item = child;
}
QStandardItem *candidate = itemFromText(child, text);
if (candidate) {
if (item)
return nullptr;
item = candidate;
}
}
}
return item;
}
#ifdef QT_BUILD_INTERNAL
static QModelIndex indexFromText(QStandardItemModel *model, const QString &text)
{
QStandardItem *item = itemFromText(model->invisibleRootItem(), text);
/*QVERIFY(item);*/
return model->indexFromItem(item);
}
struct FriendlyTreeView : public QTreeView
{
friend class tst_QStandardItemModel;
Q_DECLARE_PRIVATE(QTreeView)
};
#endif
#ifdef QT_BUILD_INTERNAL
static void populateDragAndDropModel(QStandardItemModel &model, int nRow, int nCol)
{
const QString item = QStringLiteral("item ");
const QString dash = QStringLiteral(" - ");
for (int i = 0; i < nRow; ++i) {
const QString iS = QString::number(i);
QList<QStandardItem *> colItems1;
for (int c = 0 ; c < nCol; c ++)
colItems1 << new QStandardItem(item + iS + dash + QString::number(c));
model.appendRow(colItems1);
for (int j = 0; j < nRow; ++j) {
const QString jS = QString::number(j);
QList<QStandardItem *> colItems2;
for (int c = 0 ; c < nCol; c ++)
colItems2 << new QStandardItem(item + iS + QLatin1Char('/') + jS + dash + QString::number(c));
colItems1.at(0)->appendRow(colItems2);
for (int k = 0; k < nRow; ++k) {
QList<QStandardItem *> colItems3;
const QString kS = QString::number(k);
for (int c = 0 ; c < nCol; c ++)
colItems3 << new QStandardItem(item + iS + QLatin1Char('/') + jS
+ QLatin1Char('/') + kS
+ dash + QString::number(c));
colItems2.at(0)->appendRow(colItems3);
}
}
}
}
void tst_QStandardItemModel::treeDragAndDrop()
{
const int nRow = 5;
const int nCol = 3;
QStandardItemModel model;
QStandardItemModel checkModel;
populateDragAndDropModel(model, nRow, nCol);
populateDragAndDropModel(checkModel, nRow, nCol);
QVERIFY(compareModels(&model, &checkModel));
FriendlyTreeView view;
view.setModel(&model);
view.expandAll();
view.show();
#if QT_CONFIG(draganddrop)
view.setDragDropMode(QAbstractItemView::InternalMove);
#endif
view.setSelectionMode(QAbstractItemView::ExtendedSelection);
QItemSelectionModel *selection = view.selectionModel();
//
// step1 drag "item 1" and "item 2" into "item 4"
//
{
selection->clear();
selection->select(QItemSelection(indexFromText(&model, QString("item 1 - 0")),
indexFromText(&model, QString("item 1 - %0").arg(nCol-1))), QItemSelectionModel::Select);
selection->select(QItemSelection(indexFromText(&model, QString("item 2 - 0")),
indexFromText(&model, QString("item 2 - %0").arg(nCol-1))), QItemSelectionModel::Select);
//code based from QAbstractItemView::startDrag and QAbstractItemView::dropEvent
QModelIndexList indexes = view.selectedIndexes();
QMimeData *data = model.mimeData(indexes);
if(model.dropMimeData(data, Qt::MoveAction, 0, 0, indexFromText(&model, "item 4 - 0")))
view.d_func()->clearOrRemove();
delete data;
QVERIFY(!compareModels(&model, &checkModel)); //the model must be different at this point
QStandardItem *item4 = itemFromText(checkModel.invisibleRootItem(), "item 4 - 0");
item4->insertRow(0, checkModel.takeRow(1));
item4->insertRow(1, checkModel.takeRow(1));
QVERIFY(compareModels(&model, &checkModel));
}
//
// step2 drag "item 3" and "item 3/0" into "item 4"
//
{
selection->clear();
selection->select(QItemSelection(indexFromText(&model, QString("item 3 - 0")),
indexFromText(&model, QString("item 3 - %0").arg(nCol-1))), QItemSelectionModel::Select);
selection->select(QItemSelection(indexFromText(&model, QString("item 3/0 - 0")),
indexFromText(&model, QString("item 3/0 - %0").arg(nCol-1))), QItemSelectionModel::Select);
//code based from QAbstractItemView::startDrag and QAbstractItemView::dropEvent
QModelIndexList indexes = view.selectedIndexes();
QMimeData *data = model.mimeData(indexes);
if(model.dropMimeData(data, Qt::MoveAction, 0, 0, indexFromText(&model, "item 4 - 0")))
view.d_func()->clearOrRemove();
delete data;
QVERIFY(!compareModels(&model, &checkModel)); //the model must be different at this point
QStandardItem *item4 = itemFromText(checkModel.invisibleRootItem(), "item 4 - 0");
item4->insertRow(0, checkModel.takeRow(1));
QVERIFY(compareModels(&model, &checkModel));
}
//
// step2 drag "item 3" and "item 3/0/2" into "item 0/2"
// ( remember "item 3" is now the first child of "item 4")
//
{
selection->clear();
selection->select(QItemSelection(indexFromText(&model, QString("item 3 - 0")),
indexFromText(&model, QString("item 3 - %0").arg(nCol-1))), QItemSelectionModel::Select);
selection->select(QItemSelection(indexFromText(&model, QString("item 3/0/2 - 0")),
indexFromText(&model, QString("item 3/0/2 - %0").arg(nCol-1))), QItemSelectionModel::Select);
//code based from QAbstractItemView::startDrag and QAbstractItemView::dropEvent
QModelIndexList indexes = view.selectedIndexes();
QMimeData *data = model.mimeData(indexes);
if(model.dropMimeData(data, Qt::MoveAction, 0, 0, indexFromText(&model, "item 0/2 - 0")))
view.d_func()->clearOrRemove();
delete data;
QVERIFY(!compareModels(&model, &checkModel)); //the model must be different at this point
QStandardItem *item02 = itemFromText(checkModel.invisibleRootItem(), "item 0/2 - 0");
QStandardItem *item4 = itemFromText(checkModel.invisibleRootItem(), "item 4 - 0");
item02->insertRow(0, item4->takeRow(0));
QVERIFY(compareModels(&model, &checkModel));
}
}
#endif
void tst_QStandardItemModel::removeRowsAndColumns()
{
#define VERIFY_MODEL \
for (int c = 0; c < col_list.count(); c++) \
for (int r = 0; r < row_list.count(); r++) \
QCOMPARE(model.item(r,c)->text() , row_list[r] + QLatin1Char('x') + col_list[c]);
QVector<QString> row_list = QString("1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20").split(',').toVector();
QVector<QString> col_list = row_list;
QStandardItemModel model;
for (int c = 0; c < col_list.count(); c++)
for (int r = 0; r < row_list.count(); r++)
model.setItem(r, c, new QStandardItem(row_list[r] + QLatin1Char('x') + col_list[c]));
VERIFY_MODEL
row_list.remove(3);
model.removeRow(3);
VERIFY_MODEL
col_list.remove(5);
model.removeColumn(5);
VERIFY_MODEL
row_list.remove(2, 5);
model.removeRows(2, 5);
VERIFY_MODEL
col_list.remove(1, 6);
model.removeColumns(1, 6);
VERIFY_MODEL
QList<QStandardItem *> row_taken = model.takeRow(6);
QCOMPARE(row_taken.count(), col_list.count());
for (int c = 0; c < col_list.count(); c++)
QCOMPARE(row_taken[c]->text() , row_list[6] + QLatin1Char('x') + col_list[c]);
row_list.remove(6);
VERIFY_MODEL
QList<QStandardItem *> col_taken = model.takeColumn(10);
QCOMPARE(col_taken.count(), row_list.count());
for (int r = 0; r < row_list.count(); r++)
QCOMPARE(col_taken[r]->text() , row_list[r] + QLatin1Char('x') + col_list[10]);
col_list.remove(10);
VERIFY_MODEL
}
void tst_QStandardItemModel::itemRoleNames()
{
QVector<QString> row_list = QString("1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20").split(',').toVector();
QVector<QString> col_list = row_list;
QStandardItemModel model;
for (int c = 0; c < col_list.count(); c++)
for (int r = 0; r < row_list.count(); r++)
model.setItem(r, c, new QStandardItem(row_list[r] + QLatin1Char('x') + col_list[c]));
VERIFY_MODEL
QHash<int, QByteArray> newRoleNames;
newRoleNames.insert(Qt::DisplayRole, "Name");
newRoleNames.insert(Qt::DecorationRole, "Avatar");
model.setItemRoleNames(newRoleNames);
QCOMPARE(model.roleNames(), newRoleNames);
VERIFY_MODEL
}
void tst_QStandardItemModel::getMimeDataWithInvalidModelIndex()
{
QStandardItemModel model;
QTest::ignoreMessage(QtWarningMsg, "QStandardItemModel::mimeData: No item associated with invalid index");
QMimeData *data = model.mimeData(QModelIndexList() << QModelIndex());
QVERIFY(!data);
}
void tst_QStandardItemModel::supportedDragDropActions()
{
QStandardItemModel model;
QCOMPARE(model.supportedDragActions(), Qt::CopyAction | Qt::MoveAction);
QCOMPARE(model.supportedDropActions(), Qt::CopyAction | Qt::MoveAction);
}
void tst_QStandardItemModel::taskQTBUG_45114_setItemData()
{
QStandardItemModel model;
QSignalSpy spy(&model, &QStandardItemModel::itemChanged);
QStandardItem *item = new QStandardItem("item");
item->setData(1, Qt::UserRole + 1);
item->setData(2, Qt::UserRole + 2);
model.appendRow(item);
QModelIndex index = item->index();
QCOMPARE(model.itemData(index).size(), 3);
QCOMPARE(spy.count(), 0);
QMap<int, QVariant> roles;
roles.insert(Qt::UserRole + 1, 1);
roles.insert(Qt::UserRole + 2, 2);
model.setItemData(index, roles);
QCOMPARE(spy.count(), 0);
roles.insert(Qt::UserRole + 1, 1);
roles.insert(Qt::UserRole + 2, 2);
roles.insert(Qt::UserRole + 3, QVariant());
model.setItemData(index, roles);
QCOMPARE(spy.count(), 0);
roles.clear();
roles.insert(Qt::UserRole + 1, 10);
roles.insert(Qt::UserRole + 3, 12);
model.setItemData(index, roles);
QCOMPARE(spy.count(), 1);
QMap<int, QVariant> itemRoles = model.itemData(index);
QCOMPARE(itemRoles.size(), 4);
QCOMPARE(itemRoles[Qt::UserRole + 1].toInt(), 10);
QCOMPARE(itemRoles[Qt::UserRole + 2].toInt(), 2);
QCOMPARE(itemRoles[Qt::UserRole + 3].toInt(), 12);
roles.clear();
roles.insert(Qt::UserRole + 3, 1);
model.setItemData(index, roles);
QCOMPARE(spy.count(), 2);
roles.clear();
roles.insert(Qt::UserRole + 3, QVariant());
model.setItemData(index, roles);
QCOMPARE(spy.count(), 3);
itemRoles = model.itemData(index);
QCOMPARE(itemRoles.size(), 3);
QVERIFY(!itemRoles.keys().contains(Qt::UserRole + 3));
}
void tst_QStandardItemModel::setItemPersistentIndex()
{
QPersistentModelIndex persistentIndex;
// setItem on an already existing item should not destroy the persistent index
QStandardItemModel m;
persistentIndex = m.index(0, 0);
QVERIFY(!persistentIndex.isValid());
m.setItem(0, 0, new QStandardItem);
persistentIndex = m.index(0, 0);
QVERIFY(persistentIndex.isValid());
QCOMPARE(persistentIndex.row(), 0);
QCOMPARE(persistentIndex.column(), 0);
m.setItem(0, 0, new QStandardItem);
QVERIFY(persistentIndex.isValid());
m.setItem(0, 0, nullptr);
QVERIFY(!persistentIndex.isValid());
}
QTEST_MAIN(tst_QStandardItemModel)
#include "tst_qstandarditemmodel.moc"
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