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third-party-mirror / orbit / refs/heads/master / . / qt-everywhere-src-5.15.1 / qtbase / tests / auto / corelib / itemmodels / qabstractitemmodel / tst_qabstractitemmodel.cpp
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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.
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** $QT_END_LICENSE$
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****************************************************************************/
#include <QtTest/QtTest>
#include <QtCore/QCoreApplication>
#include <QtCore/QSortFilterProxyModel>
#include <QtCore/QStringListModel>
#include <QtGui/QStandardItemModel>
#include "dynamictreemodel.h"
/*!
Note that this doesn't test models, but any functionality that QAbstractItemModel should provide
*/
class tst_QAbstractItemModel : public QObject
{
Q_OBJECT
public slots:
void init();
void cleanup();
private slots:
void index();
void parent();
void hasChildren();
void data();
void headerData();
void itemData();
void itemFlags();
void match();
void dropMimeData_data();
void dropMimeData();
void canDropMimeData();
void changePersistentIndex();
void movePersistentIndex();
void insertRows();
void insertColumns();
void removeRows();
void removeColumns();
void moveRows();
void moveColumns();
void reset();
void complexChangesWithPersistent();
void testMoveSameParentUp_data();
void testMoveSameParentUp();
void testMoveSameParentDown_data();
void testMoveSameParentDown();
void testMoveToGrandParent_data();
void testMoveToGrandParent();
void testMoveToSibling_data();
void testMoveToSibling();
void testMoveToUncle_data();
void testMoveToUncle();
void testMoveToDescendants();
void testMoveWithinOwnRange_data();
void testMoveWithinOwnRange();
void testMoveThroughProxy();
void testReset();
void testDataChanged();
void testChildrenLayoutsChanged();
void testRoleNames();
void testDragActions();
void dragActionsFallsBackToDropActions();
void testFunctionPointerSignalConnection();
void checkIndex();
private:
DynamicTreeModel *m_model;
};
/*!
Test model that impliments the pure vitual functions and anything else that is
needed.
It is a table implemented as a vector of vectors of strings.
*/
class QtTestModel: public QAbstractItemModel
{
public:
QtTestModel(int rows, int columns, QObject *parent = 0);
QtTestModel(const QVector<QVector<QString> > tbl, QObject *parent = 0);
QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
QModelIndex parent(const QModelIndex &) const;
int rowCount(const QModelIndex &parent) const;
int columnCount(const QModelIndex &parent) const;
bool hasChildren(const QModelIndex &) const;
QVariant data(const QModelIndex &idx, int) const;
bool setData(const QModelIndex &idx, const QVariant &value, int);
bool insertRows(int row, int count, const QModelIndex &parent= QModelIndex());
bool insertColumns(int column, int count, const QModelIndex &parent= QModelIndex());
void setPersistent(const QModelIndex &from, const QModelIndex &to);
bool removeRows ( int row, int count, const QModelIndex & parent = QModelIndex() );
bool removeColumns( int column, int count, const QModelIndex & parent = QModelIndex());
bool moveRows (const QModelIndex &sourceParent, int sourceRow, int count,
const QModelIndex &destinationParent, int destinationChild);
bool moveColumns(const QModelIndex &sourceParent, int sourceColumn, int count,
const QModelIndex &destinationParent, int destinationChild);
void reset();
bool canDropMimeData(const QMimeData *data, Qt::DropAction action,
int row, int column, const QModelIndex &parent) const;
int cCount, rCount;
mutable bool wrongIndex;
QVector<QVector<QString> > table;
};
Q_DECLARE_METATYPE(QAbstractItemModel::LayoutChangeHint);
QtTestModel::QtTestModel(int rows, int columns, QObject *parent)
: QAbstractItemModel(parent), cCount(columns), rCount(rows), wrongIndex(false)
{
table.resize(rows);
for (int r = 0; r < rows; ++r) {
const QString prefix = QString::number(r) + QLatin1Char('/');
table[r].resize(columns);
for (int c = 0; c < columns; ++c)
table[r][c] = prefix + QString::number(c);
}
}
QtTestModel::QtTestModel(const QVector<QVector<QString> > tbl, QObject *parent)
: QAbstractItemModel(parent), wrongIndex(false)
{
table = tbl;
rCount = tbl.count();
cCount = tbl.at(0).count();
}
QModelIndex QtTestModel::index(int row, int column, const QModelIndex &parent) const
{
return hasIndex(row, column, parent) ? createIndex(row, column) : QModelIndex();
}
QModelIndex QtTestModel::parent(const QModelIndex &) const { return QModelIndex(); }
int QtTestModel::rowCount(const QModelIndex &parent) const { return parent.isValid() ? 0 : rCount; }
int QtTestModel::columnCount(const QModelIndex &parent) const { return parent.isValid() ? 0 : cCount; }
bool QtTestModel::hasChildren(const QModelIndex &) const { return false; }
QVariant QtTestModel::data(const QModelIndex &idx, int) const
{
if (idx.row() < 0 || idx.column() < 0 || idx.column() > cCount || idx.row() > rCount) {
wrongIndex = true;
qWarning("got invalid modelIndex %d/%d", idx.row(), idx.column());
return QVariant();
}
return table.at(idx.row()).at(idx.column());
}
bool QtTestModel::setData(const QModelIndex &idx, const QVariant &value, int)
{
table[idx.row()][idx.column()] = value.toString();
return true;
}
bool QtTestModel::insertRows(int row, int count, const QModelIndex &parent)
{
QAbstractItemModel::beginInsertRows(parent, row, row + count - 1);
int cc = columnCount(parent);
table.insert(row, count, QVector<QString>(cc));
rCount = table.count();
QAbstractItemModel::endInsertRows();
return true;
}
bool QtTestModel::insertColumns(int column, int count, const QModelIndex &parent)
{
QAbstractItemModel::beginInsertColumns(parent, column, column + count - 1);
int rc = rowCount(parent);
for (int i = 0; i < rc; ++i)
table[i].insert(column, 1, "");
cCount = table.at(0).count();
QAbstractItemModel::endInsertColumns();
return true;
}
void QtTestModel::setPersistent(const QModelIndex &from, const QModelIndex &to)
{
changePersistentIndex(from, to);
}
bool QtTestModel::removeRows( int row, int count, const QModelIndex & parent)
{
QAbstractItemModel::beginRemoveRows(parent, row, row + count - 1);
for (int r = row+count-1; r >= row; --r)
table.remove(r);
rCount = table.count();
QAbstractItemModel::endRemoveRows();
return true;
}
bool QtTestModel::removeColumns(int column, int count, const QModelIndex & parent)
{
QAbstractItemModel::beginRemoveColumns(parent, column, column + count - 1);
for (int c = column+count-1; c > column; --c)
for (int r = 0; r < rCount; ++r)
table[r].remove(c);
cCount = table.at(0).count();
QAbstractItemModel::endRemoveColumns();
return true;
}
bool QtTestModel::moveRows(const QModelIndex &sourceParent, int src, int cnt,
const QModelIndex &destinationParent, int dst)
{
if (!QAbstractItemModel::beginMoveRows(sourceParent, src, src + cnt - 1,
destinationParent, dst))
return false;
QVector<QString> buf;
if (dst < src) {
for (int i = 0; i < cnt; ++i) {
buf.swap(table[src + i]);
table.remove(src + 1);
table.insert(dst, buf);
}
} else if (src < dst) {
for (int i = 0; i < cnt; ++i) {
buf.swap(table[src]);
table.remove(src);
table.insert(dst + i, buf);
}
}
rCount = table.count();
QAbstractItemModel::endMoveRows();
return true;
}
bool QtTestModel::moveColumns(const QModelIndex &sourceParent, int src, int cnt,
const QModelIndex &destinationParent, int dst)
{
if (!QAbstractItemModel::beginMoveColumns(sourceParent, src, src + cnt - 1,
destinationParent, dst))
return false;
for (int r = 0; r < rCount; ++r) {
QString buf;
if (dst < src) {
for (int i = 0; i < cnt; ++i) {
buf = table[r][src + i];
table[r].remove(src + 1);
table[r].insert(dst, buf);
}
} else if (src < dst) {
for (int i = 0; i < cnt; ++i) {
buf = table[r][src];
table[r].remove(src);
table[r].insert(dst + i, buf);
}
}
}
cCount = table.at(0).count();
QAbstractItemModel::endMoveColumns();
return true;
}
void QtTestModel::reset()
{
QAbstractItemModel::beginResetModel();
QAbstractItemModel::endResetModel();
}
bool QtTestModel::canDropMimeData(const QMimeData *data, Qt::DropAction action,
int row, int column, const QModelIndex &parent) const
{
Q_UNUSED(data);
Q_UNUSED(action);
// For testing purposes, we impose some arbitrary rules on what may be dropped.
if (!parent.isValid() && row < 0 && column < 0) {
// a drop in emtpy space in the view is allowed.
// For example, in a filesystem view, a file may be dropped into empty space
// if it represents a writable directory.
return true;
}
// We then arbitrarily decide to only allow drops on odd rows.
// A filesystem view/model might be able to drop onto (writable) directories.
return row % 2 == 0;
}
void tst_QAbstractItemModel::init()
{
m_model = new DynamicTreeModel(this);
ModelInsertCommand *insertCommand = new ModelInsertCommand(m_model, this);
insertCommand->setNumCols(4);
insertCommand->setStartRow(0);
insertCommand->setEndRow(9);
insertCommand->doCommand();
insertCommand = new ModelInsertCommand(m_model, this);
insertCommand->setAncestorRowNumbers(QList<int>() << 5);
insertCommand->setNumCols(4);
insertCommand->setStartRow(0);
insertCommand->setEndRow(9);
insertCommand->doCommand();
qRegisterMetaType<QAbstractItemModel::LayoutChangeHint>();
}
void tst_QAbstractItemModel::cleanup()
{
delete m_model;
}
/*
tests
*/
void tst_QAbstractItemModel::index()
{
QtTestModel model(1, 1);
QModelIndex idx = model.index(0, 0, QModelIndex());
QVERIFY(idx.isValid());
}
void tst_QAbstractItemModel::parent()
{
QtTestModel model(1, 1);
QModelIndex idx = model.index(0, 0, QModelIndex());
QModelIndex par = model.parent(idx);
QVERIFY(!par.isValid());
}
void tst_QAbstractItemModel::hasChildren()
{
QtTestModel model(1, 1);
QModelIndex idx = model.index(0, 0, QModelIndex());
QVERIFY(!model.hasChildren(idx));
}
void tst_QAbstractItemModel::data()
{
QtTestModel model(1, 1);
QModelIndex idx = model.index(0, 0, QModelIndex());
QVERIFY(idx.isValid());
QCOMPARE(model.data(idx, Qt::DisplayRole).toString(), QString("0/0"));
// Default does nothing
QCOMPARE(model.setHeaderData(0, Qt::Horizontal, QVariant(0), 0), false);
}
void tst_QAbstractItemModel::headerData()
{
QtTestModel model(1, 1);
QCOMPARE(model.headerData(0, Qt::Horizontal, Qt::DisplayRole).toString(),
QString("1"));
// Default text alignment for header must be invalid
QVERIFY( !model.headerData(0, Qt::Horizontal, Qt::TextAlignmentRole).isValid() );
}
void tst_QAbstractItemModel::itemData()
{
QtTestModel model(1, 1);
QModelIndex idx = model.index(0, 0, QModelIndex());
QVERIFY(idx.isValid());
QMap<int, QVariant> dat = model.itemData(idx);
QCOMPARE(dat.count(Qt::DisplayRole), 1);
QCOMPARE(dat.value(Qt::DisplayRole).toString(), QString("0/0"));
}
void tst_QAbstractItemModel::itemFlags()
{
QtTestModel model(1, 1);
QModelIndex idx = model.index(0, 0, QModelIndex());
QVERIFY(idx.isValid());
Qt::ItemFlags flags = model.flags(idx);
QCOMPARE(Qt::ItemIsSelectable|Qt::ItemIsEnabled, flags);
}
void tst_QAbstractItemModel::match()
{
QtTestModel model(4, 1);
QModelIndex start = model.index(0, 0, QModelIndex());
QVERIFY(start.isValid());
QModelIndexList res = model.match(start, Qt::DisplayRole, QVariant("1"), 3);
QCOMPARE(res.count(), 1);
QModelIndex idx = model.index(1, 0, QModelIndex());
bool areEqual = (idx == res.first());
QVERIFY(areEqual);
model.setData(model.index(0, 0, QModelIndex()), "bat", Qt::DisplayRole);
model.setData(model.index(1, 0, QModelIndex()), "cat", Qt::DisplayRole);
model.setData(model.index(2, 0, QModelIndex()), "dog", Qt::DisplayRole);
model.setData(model.index(3, 0, QModelIndex()), "boar", Qt::DisplayRole);
res = model.match(start, Qt::DisplayRole, QVariant("dog"), -1, Qt::MatchExactly);
QCOMPARE(res.count(), 1);
res = model.match(start, Qt::DisplayRole, QVariant("a"), -1, Qt::MatchContains);
QCOMPARE(res.count(), 3);
res = model.match(start, Qt::DisplayRole, QVariant("b"), -1, Qt::MatchStartsWith);
QCOMPARE(res.count(), 2);
res = model.match(start, Qt::DisplayRole, QVariant("t"), -1, Qt::MatchEndsWith);
QCOMPARE(res.count(), 2);
res = model.match(start, Qt::DisplayRole, QVariant("*a*"), -1, Qt::MatchWildcard);
QCOMPARE(res.count(), 3);
res = model.match(start, Qt::DisplayRole, QVariant(".*O.*"), -1, Qt::MatchRegExp);
QCOMPARE(res.count(), 2);
res = model.match(start, Qt::DisplayRole, QVariant(".*O.*"), -1, Qt::MatchRegExp | Qt::MatchCaseSensitive);
QCOMPARE(res.count(), 0);
res = model.match(start, Qt::DisplayRole, QVariant("BOAR"), -1, Qt::MatchFixedString);
QCOMPARE(res.count(), 1);
res = model.match(start, Qt::DisplayRole, QVariant("bat"), -1,
Qt::MatchFixedString | Qt::MatchCaseSensitive);
QCOMPARE(res.count(), 1);
res = model.match(start, Qt::DisplayRole, QVariant(".*O.*"), -1,
Qt::MatchRegularExpression);
QCOMPARE(res.count(), 2);
res = model.match(start, Qt::DisplayRole, QVariant(".*O.*"), -1,
Qt::MatchRegularExpression | Qt::MatchCaseSensitive);
QCOMPARE(res.count(), 0);
res = model.match(start, Qt::DisplayRole, QVariant(QRegularExpression(".*O.*")),
-1, Qt::MatchRegularExpression);
QCOMPARE(res.count(), 0);
res = model.match(start,
Qt::DisplayRole,
QVariant(QRegularExpression(".*O.*",
QRegularExpression::CaseInsensitiveOption)),
-1,
Qt::MatchRegularExpression);
QCOMPARE(res.count(), 2);
// Ensure that the case sensitivity is properly ignored when passing a
// QRegularExpression object.
res = model.match(start,
Qt::DisplayRole,
QVariant(QRegularExpression(".*O.*",
QRegularExpression::CaseInsensitiveOption)),
-1,
Qt::MatchRegularExpression | Qt::MatchCaseSensitive);
QCOMPARE(res.count(), 2);
}
typedef QPair<int, int> Position;
typedef QVector<QPair<int, int> > Selection;
typedef QVector<QVector<QString> > StringTable;
typedef QVector<QString> StringTableRow;
static StringTableRow qStringTableRow(const QString &s1, const QString &s2, const QString &s3)
{
StringTableRow row;
row << s1 << s2 << s3;
return row;
}
#ifdef Q_CC_MSVC
# define STRINGTABLE (StringTable())
#else
# define STRINGTABLE StringTable()
#endif
void tst_QAbstractItemModel::dropMimeData_data()
{
QTest::addColumn<StringTable>("src_table"); // drag source
QTest::addColumn<StringTable>("dst_table"); // drop target
QTest::addColumn<Selection>("selection"); // dragged items
QTest::addColumn<Position>("dst_position"); // drop position
QTest::addColumn<StringTable>("res_table"); // expected result
{
QTest::newRow("2x2 dropped at [0, 0]")
<< (STRINGTABLE // source table
<< (qStringTableRow("A", "B", "C"))
<< (qStringTableRow("D", "E", "F")))
<< (STRINGTABLE // destination table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")))
<< (Selection() // selection
<< Position(0, 0) << Position(0, 1)
<< Position(1, 0) << Position(1, 1))
<< Position(0, 0) // drop position
<< (STRINGTABLE // resulting table
<< (qStringTableRow("A", "B", "" ))
<< (qStringTableRow("D", "E", "" ))
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")));
}
{
QTest::newRow("2x2 dropped at [1, 0]")
<< (STRINGTABLE // source table
<< (qStringTableRow("A", "B", "C"))
<< (qStringTableRow("D", "E", "F")))
<< (STRINGTABLE // destination table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")))
<< (Selection() // selection
<< Position(0, 0) << Position(0, 1)
<< Position(1, 0) << Position(1, 1))
<< Position(1, 0) // drop position
<< (STRINGTABLE // resulting table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("A", "B", "" ))
<< (qStringTableRow("D", "E", "" ))
<< (qStringTableRow("3", "4", "5")));
}
{
QTest::newRow("2x2 dropped at [3, 0]")
<< (STRINGTABLE // source table
<< (qStringTableRow("A", "B", "C"))
<< (qStringTableRow("D", "E", "F")))
<< (STRINGTABLE // destination table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")))
<< (Selection() // selection
<< Position(0, 0) << Position(0, 1)
<< Position(1, 0) << Position(1, 1))
<< Position(3, 0) // drop position
<< (STRINGTABLE // resulting table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5"))
<< (qStringTableRow("A", "B", "" ))
<< (qStringTableRow("D", "E", "" )));
}
{
QTest::newRow("2x2 dropped at [0, 1]")
<< (STRINGTABLE // source table
<< (qStringTableRow("A", "B", "C"))
<< (qStringTableRow("D", "E", "F")))
<< (STRINGTABLE // destination table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")))
<< (Selection() // selection
<< Position(0, 0) << Position(0, 1)
<< Position(1, 0) << Position(1, 1))
<< Position(0, 1) // drop position
<< (STRINGTABLE // resulting table
<< (qStringTableRow("" , "A", "B"))
<< (qStringTableRow("" , "D", "E"))
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")));
}
{
QTest::newRow("2x2 dropped at [0, 2] (line break)")
<< (STRINGTABLE // source table
<< (qStringTableRow("A", "B", "C"))
<< (qStringTableRow("D", "E", "F")))
<< (STRINGTABLE // destination table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")))
<< (Selection() // selection
<< Position(0, 0) << Position(0, 1)
<< Position(1, 0) << Position(1, 1))
<< Position(0, 2) // drop position
<< (STRINGTABLE // resulting table
<< (qStringTableRow("" , "" , "A"))
<< (qStringTableRow("" , "" , "D"))
<< (qStringTableRow("" , "" , "B"))
<< (qStringTableRow("" , "" , "E"))
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")));
}
{
QTest::newRow("2x2 dropped at [3, 2] (line break)")
<< (STRINGTABLE // source table
<< (qStringTableRow("A", "B", "C"))
<< (qStringTableRow("D", "E", "F")))
<< (STRINGTABLE // destination table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")))
<< (Selection() // selection
<< Position(0, 0) << Position(0, 1)
<< Position(1, 0) << Position(1, 1))
<< Position(3, 2) // drop position
<< (STRINGTABLE // resulting table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5"))
<< (qStringTableRow("" , "" , "A"))
<< (qStringTableRow("" , "" , "D"))
<< (qStringTableRow("" , "" , "B"))
<< (qStringTableRow("" , "" , "E")));
}
{
QTest::newRow("non-square dropped at [0, 0]")
<< (STRINGTABLE // source table
<< (qStringTableRow("A", "B", "C"))
<< (qStringTableRow("D", "E", "F")))
<< (STRINGTABLE // destination table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")))
<< (Selection() // selection
<< Position(0, 0) << Position(0, 1)
<< Position(1, 0))
<< Position(0, 0) // drop position
<< (STRINGTABLE // resulting table
<< (qStringTableRow("A", "B", "" ))
<< (qStringTableRow("D", "" , "" ))
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")));
}
{
QTest::newRow("non-square dropped at [0, 2]")
<< (STRINGTABLE // source table
<< (qStringTableRow("A", "B", "C"))
<< (qStringTableRow("D", "E", "F")))
<< (STRINGTABLE // destination table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")))
<< (Selection() // selection
<< Position(0, 0) << Position(0, 1)
<< Position(1, 0))
<< Position(0, 2) // drop position
<< (STRINGTABLE // resulting table
<< (qStringTableRow("" , "" , "A"))
<< (qStringTableRow("" , "" , "D"))
<< (qStringTableRow("" , "" , "B"))
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")));
}
{
QTest::newRow("2x 1x2 dropped at [0, 0] (duplicates)")
<< (STRINGTABLE // source table
<< (qStringTableRow("A", "B", "C"))
<< (qStringTableRow("D", "E", "F")))
<< (STRINGTABLE // destination table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")))
<< (Selection() // selection; 2x the same row (to simulate selections in hierarchy)
<< Position(0, 0) << Position(0, 1)
<< Position(0, 0) << Position(0, 1))
<< Position(0, 0) // drop position
<< (STRINGTABLE // resulting table
<< (qStringTableRow("A", "B", "" ))
<< (qStringTableRow("A", "" , "" ))
<< (qStringTableRow("" , "B", "" )) // ### FIXME: strange behavior, but rare case
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")));
}
{
QTest::newRow("2x 1x2 dropped at [3, 2] (duplicates)")
<< (STRINGTABLE // source table
<< (qStringTableRow("A", "B", "C"))
<< (qStringTableRow("D", "E", "F")))
<< (STRINGTABLE // destination table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")))
<< (Selection() // selection; 2x the same row (to simulate selections in hierarchy)
<< Position(0, 0) << Position(0, 1)
<< Position(0, 0) << Position(0, 1))
<< Position(3, 2) // drop position
<< (STRINGTABLE // resulting table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5"))
<< (qStringTableRow("" , "" , "A"))
<< (qStringTableRow("" , "" , "B"))
<< (qStringTableRow("" , "" , "A"))
<< (qStringTableRow("" , "" , "B")));
}
{
QTest::newRow("2x 1x2 dropped at [3, 2] (different rows)")
<< (STRINGTABLE // source table
<< (qStringTableRow("A", "B", "C"))
<< (qStringTableRow("D", "E", "F"))
<< (qStringTableRow("G", "H", "I")))
<< (STRINGTABLE // destination table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")))
<< (Selection() // selection; 2x the same row (to simulate selections in hierarchy)
<< Position(0, 0) << Position(0, 1)
<< Position(2, 0) << Position(2, 1))
<< Position(2, 1) // drop position
<< (STRINGTABLE // resulting table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5"))
<< (qStringTableRow("" , "A" , "B"))
<< (qStringTableRow("" , "G" , "H")));
}
{
QTest::newRow("2x 1x2 dropped at [3, 2] (different rows, over the edge)")
<< (STRINGTABLE // source table
<< (qStringTableRow("A", "B", "C"))
<< (qStringTableRow("D", "E", "F"))
<< (qStringTableRow("G", "H", "I")))
<< (STRINGTABLE // destination table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5")))
<< (Selection() // selection; 2x the same row (to simulate selections in hierarchy)
<< Position(0, 0) << Position(0, 1)
<< Position(2, 0) << Position(2, 1))
<< Position(3, 2) // drop position
<< (STRINGTABLE // resulting table
<< (qStringTableRow("0", "1", "2"))
<< (qStringTableRow("3", "4", "5"))
<< (qStringTableRow("" , "" , "A"))
<< (qStringTableRow("" , "" , "G"))
<< (qStringTableRow("" , "" , "B"))
<< (qStringTableRow("" , "" , "H")));
}
}
void tst_QAbstractItemModel::dropMimeData()
{
QFETCH(StringTable, src_table);
QFETCH(StringTable, dst_table);
QFETCH(Selection, selection);
QFETCH(Position, dst_position);
QFETCH(StringTable, res_table);
QtTestModel src(src_table);
QtTestModel dst(dst_table);
QtTestModel res(res_table);
// get the mimeData from the "selected" indexes
QModelIndexList selectedIndexes;
for (int i = 0; i < selection.count(); ++i)
selectedIndexes << src.index(selection.at(i).first, selection.at(i).second, QModelIndex());
QMimeData *md = src.mimeData(selectedIndexes);
// do the drop
dst.dropMimeData(md, Qt::CopyAction, dst_position.first, dst_position.second, QModelIndex());
delete md;
// compare to the expected results
QCOMPARE(dst.rowCount(QModelIndex()), res.rowCount(QModelIndex()));
QCOMPARE(dst.columnCount(QModelIndex()), res.columnCount(QModelIndex()));
for (int r = 0; r < dst.rowCount(QModelIndex()); ++r) {
for (int c = 0; c < dst.columnCount(QModelIndex()); ++c) {
QModelIndex dst_idx = dst.index(r, c, QModelIndex());
QModelIndex res_idx = res.index(r, c, QModelIndex());
QMap<int, QVariant> dst_data = dst.itemData(dst_idx);
QMap<int, QVariant> res_data = res.itemData(res_idx);
QCOMPARE(dst_data , res_data);
}
}
}
void tst_QAbstractItemModel::canDropMimeData()
{
QtTestModel model(3, 3);
QVERIFY(model.canDropMimeData(0, Qt::CopyAction, -1, -1, QModelIndex()));
QVERIFY(model.canDropMimeData(0, Qt::CopyAction, 0, 0, QModelIndex()));
QVERIFY(!model.canDropMimeData(0, Qt::CopyAction, 1, 0, QModelIndex()));
}
void tst_QAbstractItemModel::changePersistentIndex()
{
QtTestModel model(3, 3);
QModelIndex a = model.index(1, 2, QModelIndex());
QModelIndex b = model.index(2, 1, QModelIndex());
QPersistentModelIndex p(a);
QVERIFY(p == a);
model.setPersistent(a, b);
QVERIFY(p == b);
}
void tst_QAbstractItemModel::movePersistentIndex()
{
QtTestModel model(3, 3);
QPersistentModelIndex a = model.index(1, 1);
QVERIFY(a.isValid());
QCOMPARE(a.row(), 1);
QCOMPARE(a.column(), 1);
model.insertRow(0);
QCOMPARE(a.row(), 2);
model.insertRow(1);
QCOMPARE(a.row(), 3);
model.insertColumn(0);
QCOMPARE(a.column(), 2);
}
void tst_QAbstractItemModel::removeRows()
{
QtTestModel model(10, 10);
QSignalSpy rowsAboutToBeRemovedSpy(&model, &QtTestModel::rowsAboutToBeRemoved);
QSignalSpy rowsRemovedSpy(&model, &QtTestModel::rowsRemoved);
QVERIFY(rowsAboutToBeRemovedSpy.isValid());
QVERIFY(rowsRemovedSpy.isValid());
QCOMPARE(model.removeRows(6, 4), true);
QCOMPARE(rowsAboutToBeRemovedSpy.count(), 1);
QCOMPARE(rowsRemovedSpy.count(), 1);
}
void tst_QAbstractItemModel::removeColumns()
{
QtTestModel model(10, 10);
QSignalSpy columnsAboutToBeRemovedSpy(&model, &QtTestModel::columnsAboutToBeRemoved);
QSignalSpy columnsRemovedSpy(&model, &QtTestModel::columnsRemoved);
QVERIFY(columnsAboutToBeRemovedSpy.isValid());
QVERIFY(columnsRemovedSpy.isValid());
QCOMPARE(model.removeColumns(6, 4), true);
QCOMPARE(columnsAboutToBeRemovedSpy.count(), 1);
QCOMPARE(columnsRemovedSpy.count(), 1);
}
void tst_QAbstractItemModel::insertRows()
{
QtTestModel model(10, 10);
QSignalSpy rowsAboutToBeInsertedSpy(&model, &QtTestModel::rowsAboutToBeInserted);
QSignalSpy rowsInsertedSpy(&model, &QtTestModel::rowsInserted);
QVERIFY(rowsAboutToBeInsertedSpy.isValid());
QVERIFY(rowsInsertedSpy.isValid());
QCOMPARE(model.insertRows(6, 4), true);
QCOMPARE(rowsAboutToBeInsertedSpy.count(), 1);
QCOMPARE(rowsInsertedSpy.count(), 1);
}
void tst_QAbstractItemModel::insertColumns()
{
QtTestModel model(10, 10);
QSignalSpy columnsAboutToBeInsertedSpy(&model, &QtTestModel::columnsAboutToBeInserted);
QSignalSpy columnsInsertedSpy(&model, &QtTestModel::columnsInserted);
QVERIFY(columnsAboutToBeInsertedSpy.isValid());
QVERIFY(columnsInsertedSpy.isValid());
QCOMPARE(model.insertColumns(6, 4), true);
QCOMPARE(columnsAboutToBeInsertedSpy.count(), 1);
QCOMPARE(columnsInsertedSpy.count(), 1);
}
void tst_QAbstractItemModel::moveRows()
{
QtTestModel model(10, 10);
QSignalSpy rowsAboutToBeMovedSpy(&model, &QtTestModel::rowsAboutToBeMoved);
QSignalSpy rowsMovedSpy(&model, &QtTestModel::rowsMoved);
QVERIFY(rowsAboutToBeMovedSpy.isValid());
QVERIFY(rowsMovedSpy.isValid());
QCOMPARE(model.moveRows(QModelIndex(), 6, 4, QModelIndex(), 1), true);
QCOMPARE(rowsAboutToBeMovedSpy.count(), 1);
QCOMPARE(rowsMovedSpy.count(), 1);
}
void tst_QAbstractItemModel::moveColumns()
{
QtTestModel model(10, 10);
QSignalSpy columnsAboutToBeMovedSpy(&model, &QtTestModel::columnsAboutToBeMoved);
QSignalSpy columnsMovedSpy(&model, &QtTestModel::columnsMoved);
QVERIFY(columnsAboutToBeMovedSpy.isValid());
QVERIFY(columnsMovedSpy.isValid());
QCOMPARE(model.moveColumns(QModelIndex(), 6, 4, QModelIndex(), 1), true);
QCOMPARE(columnsAboutToBeMovedSpy.count(), 1);
QCOMPARE(columnsMovedSpy.count(), 1);
QCOMPARE(model.moveColumn(QModelIndex(), 4, QModelIndex(), 1), true);
QCOMPARE(columnsAboutToBeMovedSpy.count(), 2);
QCOMPARE(columnsMovedSpy.count(), 2);
}
void tst_QAbstractItemModel::reset()
{
QtTestModel model(10, 10);
QSignalSpy resetSpy(&model, &QtTestModel::modelReset);
QVERIFY(resetSpy.isValid());
model.reset();
QCOMPARE(resetSpy.count(), 1);
}
void tst_QAbstractItemModel::complexChangesWithPersistent()
{
QtTestModel model(10, 10);
QPersistentModelIndex a = model.index(1, 1, QModelIndex());
QPersistentModelIndex b = model.index(9, 7, QModelIndex());
QPersistentModelIndex c = model.index(5, 6, QModelIndex());
QPersistentModelIndex d = model.index(3, 9, QModelIndex());
QPersistentModelIndex e[10];
for (int i=0; i <10 ; i++) {
e[i] = model.index(2, i , QModelIndex());
}
QVERIFY(a == model.index(1, 1, QModelIndex()));
QVERIFY(b == model.index(9, 7, QModelIndex()));
QVERIFY(c == model.index(5, 6, QModelIndex()));
QVERIFY(d == model.index(3, 9, QModelIndex()));
for (int i=0; i <8 ; i++)
QVERIFY(e[i] == model.index(2, i , QModelIndex()));
//remove a bunch of columns
model.removeColumns(2, 4);
QVERIFY(a == model.index(1, 1, QModelIndex()));
QVERIFY(b == model.index(9, 3, QModelIndex()));
QVERIFY(c == model.index(5, 2, QModelIndex()));
QVERIFY(d == model.index(3, 5, QModelIndex()));
for (int i=0; i <2 ; i++)
QVERIFY(e[i] == model.index(2, i , QModelIndex()));
for (int i=2; i <6 ; i++)
QVERIFY(!e[i].isValid());
for (int i=6; i <10 ; i++)
QVERIFY(e[i] == model.index(2, i-4 , QModelIndex()));
//move some indexes around
model.setPersistent(model.index(1, 1 , QModelIndex()), model.index(9, 3 , QModelIndex()));
model.setPersistent(model.index(9, 3 , QModelIndex()), model.index(8, 4 , QModelIndex()));
QVERIFY(a == model.index(9, 3, QModelIndex()));
QVERIFY(b == model.index(8, 4, QModelIndex()));
QVERIFY(c == model.index(5, 2, QModelIndex()));
QVERIFY(d == model.index(3, 5, QModelIndex()));
for (int i=0; i <2 ; i++)
QVERIFY(e[i] == model.index(2, i , QModelIndex()));
for (int i=2; i <6 ; i++)
QVERIFY(!e[i].isValid());
for (int i=6; i <10 ; i++)
QVERIFY(e[i] == model.index(2, i-4 , QModelIndex()));
//inserting a bunch of columns
model.insertColumns(2, 2);
QVERIFY(a == model.index(9, 5, QModelIndex()));
QVERIFY(b == model.index(8, 6, QModelIndex()));
QVERIFY(c == model.index(5, 4, QModelIndex()));
QVERIFY(d == model.index(3, 7, QModelIndex()));
for (int i=0; i <2 ; i++)
QVERIFY(e[i] == model.index(2, i , QModelIndex()));
for (int i=2; i <6 ; i++)
QVERIFY(!e[i].isValid());
for (int i=6; i <10 ; i++)
QVERIFY(e[i] == model.index(2, i-2 , QModelIndex()));
}
void tst_QAbstractItemModel::testMoveSameParentDown_data()
{
QTest::addColumn<int>("startRow");
QTest::addColumn<int>("endRow");
QTest::addColumn<int>("destRow");
// We can't put the actual parent index for the move in here because m_model is not defined until init() is run.
QTest::addColumn<bool>("topLevel");
// Move from the start to the middle
QTest::newRow("move01") << 0 << 2 << 8 << true;
// Move from the start to the end
QTest::newRow("move02") << 0 << 2 << 10 << true;
// Move from the middle to the middle
QTest::newRow("move03") << 3 << 5 << 8 << true;
// Move from the middle to the end
QTest::newRow("move04") << 3 << 5 << 10 << true;
QTest::newRow("move05") << 0 << 2 << 8 << false;
QTest::newRow("move06") << 0 << 2 << 10 << false;
QTest::newRow("move07") << 3 << 5 << 8 << false;
QTest::newRow("move08") << 3 << 5 << 10 << false;
}
void tst_QAbstractItemModel::testMoveSameParentDown()
{
QFETCH(int, startRow);
QFETCH(int, endRow);
QFETCH(int, destRow);
QFETCH(bool, topLevel);
QModelIndex moveParent = topLevel ? QModelIndex() : m_model->index(5, 0);
QList<QPersistentModelIndex> persistentList;
QModelIndexList indexList;
for (int column = 0; column < m_model->columnCount(); ++column) {
for (int row = 0; row < m_model->rowCount(); ++row) {
QModelIndex idx = m_model->index(row, column);
QVERIFY(idx.isValid());
indexList << idx;
persistentList << QPersistentModelIndex(idx);
}
}
QModelIndex parent = m_model->index(5, 0);
for (int column = 0; column < m_model->columnCount(); ++column) {
for (int row = 0; row < m_model->rowCount(parent); ++row) {
QModelIndex idx = m_model->index(row, column, parent);
QVERIFY(idx.isValid());
indexList << idx;
persistentList << QPersistentModelIndex(idx);
}
}
QSignalSpy beforeSpy(m_model, &DynamicTreeModel::rowsAboutToBeMoved);
QSignalSpy afterSpy(m_model, &DynamicTreeModel::rowsMoved);
QVERIFY(beforeSpy.isValid());
QVERIFY(afterSpy.isValid());
ModelMoveCommand *moveCommand = new ModelMoveCommand(m_model, this);
moveCommand->setNumCols(4);
if (!topLevel)
moveCommand->setAncestorRowNumbers(QList<int>() << 5);
moveCommand->setStartRow(startRow);
moveCommand->setEndRow(endRow);
moveCommand->setDestRow(destRow);
if (!topLevel)
moveCommand->setDestAncestors(QList<int>() << 5);
moveCommand->doCommand();
QVariantList beforeSignal = beforeSpy.takeAt(0);
QVariantList afterSignal = afterSpy.takeAt(0);
QCOMPARE(beforeSignal.size(), 5);
QCOMPARE(beforeSignal.at(0).value<QModelIndex>(), moveParent);
QCOMPARE(beforeSignal.at(1).toInt(), startRow);
QCOMPARE(beforeSignal.at(2).toInt(), endRow);
QCOMPARE(beforeSignal.at(3).value<QModelIndex>(), moveParent);
QCOMPARE(beforeSignal.at(4).toInt(), destRow);
QCOMPARE(afterSignal.size(), 5);
QCOMPARE(afterSignal.at(0).value<QModelIndex>(), moveParent);
QCOMPARE(afterSignal.at(1).toInt(), startRow);
QCOMPARE(afterSignal.at(2).toInt(), endRow);
QCOMPARE(afterSignal.at(3).value<QModelIndex>(), moveParent);
QCOMPARE(afterSignal.at(4).toInt(), destRow);
for (int i = 0; i < indexList.size(); i++) {
QModelIndex idx = indexList.at(i);
QModelIndex persistentIndex = persistentList.at(i);
if (idx.parent() == moveParent) {
int row = idx.row();
if ( row >= startRow) {
if (row <= endRow) {
QCOMPARE(row + destRow - endRow - 1, persistentIndex.row());
QCOMPARE(idx.column(), persistentIndex.column());
QCOMPARE(idx.parent(), persistentIndex.parent());
QCOMPARE(idx.model(), persistentIndex.model());
} else if (row < destRow) {
QCOMPARE(row - (endRow - startRow + 1), persistentIndex.row());
QCOMPARE(idx.column(), persistentIndex.column());
QCOMPARE(idx.parent(), persistentIndex.parent());
QCOMPARE(idx.model(), persistentIndex.model());
} else {
QCOMPARE(idx, persistentIndex);
}
} else {
QCOMPARE(idx, persistentIndex);
}
} else {
QCOMPARE(idx, persistentIndex);
}
}
}
void tst_QAbstractItemModel::testMoveSameParentUp_data()
{
QTest::addColumn<int>("startRow");
QTest::addColumn<int>("endRow");
QTest::addColumn<int>("destRow");
QTest::addColumn<bool>("topLevel");
// Move from the middle to the start
QTest::newRow("move01") << 5 << 7 << 0 << true;
// Move from the end to the start
QTest::newRow("move02") << 8 << 9 << 0 << true;
// Move from the middle to the middle
QTest::newRow("move03") << 5 << 7 << 2 << true;
// Move from the end to the middle
QTest::newRow("move04") << 8 << 9 << 5 << true;
QTest::newRow("move05") << 5 << 7 << 0 << false;
QTest::newRow("move06") << 8 << 9 << 0 << false;
QTest::newRow("move07") << 5 << 7 << 2 << false;
QTest::newRow("move08") << 8 << 9 << 5 << false;
}
void tst_QAbstractItemModel::testMoveSameParentUp()
{
QFETCH(int, startRow);
QFETCH(int, endRow);
QFETCH(int, destRow);
QFETCH(bool, topLevel);
QModelIndex moveParent = topLevel ? QModelIndex() : m_model->index(5, 0);
QList<QPersistentModelIndex> persistentList;
QModelIndexList indexList;
for (int column = 0; column < m_model->columnCount(); ++column) {
for (int row = 0; row < m_model->rowCount(); ++row) {
QModelIndex idx = m_model->index(row, column);
QVERIFY(idx.isValid());
indexList << idx;
persistentList << QPersistentModelIndex(idx);
}
}
QModelIndex parent = m_model->index(2, 0);
for (int column = 0; column < m_model->columnCount(); ++column) {
for (int row = 0; row < m_model->rowCount(parent); ++row) {
QModelIndex idx = m_model->index(row, column, parent);
QVERIFY(idx.isValid());
indexList << idx;
persistentList << QPersistentModelIndex(idx);
}
}
QSignalSpy beforeSpy(m_model, &DynamicTreeModel::rowsAboutToBeMoved);
QSignalSpy afterSpy(m_model, &DynamicTreeModel::rowsMoved);
QVERIFY(beforeSpy.isValid());
QVERIFY(afterSpy.isValid());
ModelMoveCommand *moveCommand = new ModelMoveCommand(m_model, this);
moveCommand->setNumCols(4);
if (!topLevel)
moveCommand->setAncestorRowNumbers(QList<int>() << 5);
moveCommand->setStartRow(startRow);
moveCommand->setEndRow(endRow);
moveCommand->setDestRow(destRow);
if (!topLevel)
moveCommand->setDestAncestors(QList<int>() << 5);
moveCommand->doCommand();
QVariantList beforeSignal = beforeSpy.takeAt(0);
QVariantList afterSignal = afterSpy.takeAt(0);
QCOMPARE(beforeSignal.size(), 5);
QCOMPARE(beforeSignal.at(0).value<QModelIndex>(), moveParent);
QCOMPARE(beforeSignal.at(1).toInt(), startRow);
QCOMPARE(beforeSignal.at(2).toInt(), endRow);
QCOMPARE(beforeSignal.at(3).value<QModelIndex>(), moveParent);
QCOMPARE(beforeSignal.at(4).toInt(), destRow);
QCOMPARE(afterSignal.size(), 5);
QCOMPARE(afterSignal.at(0).value<QModelIndex>(), moveParent);
QCOMPARE(afterSignal.at(1).toInt(), startRow);
QCOMPARE(afterSignal.at(2).toInt(), endRow);
QCOMPARE(afterSignal.at(3).value<QModelIndex>(), moveParent);
QCOMPARE(afterSignal.at(4).toInt(), destRow);
for (int i = 0; i < indexList.size(); i++) {
QModelIndex idx = indexList.at(i);
QModelIndex persistentIndex = persistentList.at(i);
if (idx.parent() == moveParent) {
int row = idx.row();
if ( row >= destRow) {
if (row < startRow) {
QCOMPARE(row + endRow - startRow + 1, persistentIndex.row());
QCOMPARE(idx.column(), persistentIndex.column());
QCOMPARE(idx.parent(), persistentIndex.parent());
QCOMPARE(idx.model(), persistentIndex.model());
} else if (row <= endRow) {
QCOMPARE(row + destRow - startRow, persistentIndex.row());
QCOMPARE(idx.column(), persistentIndex.column());
QCOMPARE(idx.parent(), persistentIndex.parent());
QCOMPARE(idx.model(), persistentIndex.model());
} else {
QCOMPARE(idx, persistentIndex);
}
} else {
QCOMPARE(idx, persistentIndex);
}
} else {
QCOMPARE(idx, persistentIndex);
}
}
}
void tst_QAbstractItemModel::testMoveThroughProxy()
{
QSortFilterProxyModel *proxy = new QSortFilterProxyModel(this);
proxy->setSourceModel(m_model);
QList<QPersistentModelIndex> persistentList;
persistentList.append(proxy->index(0, 0));
persistentList.append(proxy->index(0, 0, proxy->mapFromSource(m_model->index(5, 0))));
ModelMoveCommand *moveCommand = new ModelMoveCommand(m_model, this);
moveCommand->setNumCols(4);
moveCommand->setAncestorRowNumbers(QList<int>() << 5);
moveCommand->setStartRow(0);
moveCommand->setEndRow(0);
moveCommand->setDestRow(0);
moveCommand->doCommand();
}
void tst_QAbstractItemModel::testMoveToGrandParent_data()
{
QTest::addColumn<int>("startRow");
QTest::addColumn<int>("endRow");
QTest::addColumn<int>("destRow");
// Move from the start to the middle
QTest::newRow("move01") << 0 << 2 << 8;
// Move from the start to the end
QTest::newRow("move02") << 0 << 2 << 10;
// Move from the middle to the middle
QTest::newRow("move03") << 3 << 5 << 8;
// Move from the middle to the end
QTest::newRow("move04") << 3 << 5 << 10;
// Move from the middle to the start
QTest::newRow("move05") << 5 << 7 << 0;
// Move from the end to the start
QTest::newRow("move06") << 8 << 9 << 0;
// Move from the middle to the middle
QTest::newRow("move07") << 5 << 7 << 2;
// Move from the end to the middle
QTest::newRow("move08") << 8 << 9 << 5;
// Moving to the same row in a different parent doesn't confuse things.
QTest::newRow("move09") << 8 << 8 << 8;
// Moving to the row of my parent and its neighbours doesn't confuse things
QTest::newRow("move10") << 8 << 8 << 4;
QTest::newRow("move11") << 8 << 8 << 5;
QTest::newRow("move12") << 8 << 8 << 6;
// Moving everything from one parent to another
QTest::newRow("move13") << 0 << 9 << 10;
QTest::newRow("move14") << 0 << 9 << 0;
}
void tst_QAbstractItemModel::testMoveToGrandParent()
{
QFETCH(int, startRow);
QFETCH(int, endRow);
QFETCH(int, destRow);
QList<QPersistentModelIndex> persistentList;
QModelIndexList indexList;
QModelIndexList parentsList;
for (int column = 0; column < m_model->columnCount(); ++column) {
for (int row = 0; row < m_model->rowCount(); ++row) {
QModelIndex idx = m_model->index(row, column);
QVERIFY(idx.isValid());
indexList << idx;
parentsList << idx.parent();
persistentList << QPersistentModelIndex(idx);
}
}
QModelIndex sourceIndex = m_model->index(5, 0);
for (int column = 0; column < m_model->columnCount(); ++column) {
for (int row = 0; row < m_model->rowCount(sourceIndex); ++row) {
QModelIndex idx = m_model->index(row, column, sourceIndex);
QVERIFY(idx.isValid());
indexList << idx;
parentsList << idx.parent();
persistentList << QPersistentModelIndex(idx);
}
}
QSignalSpy beforeSpy(m_model, &DynamicTreeModel::rowsAboutToBeMoved);
QSignalSpy afterSpy(m_model, &DynamicTreeModel::rowsMoved);
QVERIFY(beforeSpy.isValid());
QVERIFY(afterSpy.isValid());
QPersistentModelIndex persistentSource = sourceIndex;
ModelMoveCommand *moveCommand = new ModelMoveCommand(m_model, this);
moveCommand->setAncestorRowNumbers(QList<int>() << 5);
moveCommand->setNumCols(4);
moveCommand->setStartRow(startRow);
moveCommand->setEndRow(endRow);
moveCommand->setDestRow(destRow);
moveCommand->doCommand();
QVariantList beforeSignal = beforeSpy.takeAt(0);
QVariantList afterSignal = afterSpy.takeAt(0);
QCOMPARE(beforeSignal.size(), 5);
QCOMPARE(beforeSignal.at(0).value<QModelIndex>(), sourceIndex);
QCOMPARE(beforeSignal.at(1).toInt(), startRow);
QCOMPARE(beforeSignal.at(2).toInt(), endRow);
QCOMPARE(beforeSignal.at(3).value<QModelIndex>(), QModelIndex());
QCOMPARE(beforeSignal.at(4).toInt(), destRow);
QCOMPARE(afterSignal.size(), 5);
QCOMPARE(afterSignal.at(0).value<QModelIndex>(), static_cast<QModelIndex>(persistentSource));
QCOMPARE(afterSignal.at(1).toInt(), startRow);
QCOMPARE(afterSignal.at(2).toInt(), endRow);
QCOMPARE(afterSignal.at(3).value<QModelIndex>(), QModelIndex());
QCOMPARE(afterSignal.at(4).toInt(), destRow);
for (int i = 0; i < indexList.size(); i++) {
QModelIndex idx = indexList.at(i);
QModelIndex idxParent = parentsList.at(i);
QModelIndex persistentIndex = persistentList.at(i);
int row = idx.row();
if (idxParent == QModelIndex()) {
if (row >= destRow) {
QCOMPARE(row + endRow - startRow + 1, persistentIndex.row());
QCOMPARE(idx.column(), persistentIndex.column());
QCOMPARE(idxParent, persistentIndex.parent());
QCOMPARE(idx.model(), persistentIndex.model());
} else {
QCOMPARE(idx, persistentIndex);
}
} else {
if (row < startRow) {
QCOMPARE(idx, persistentIndex);
} else if (row <= endRow) {
QCOMPARE(row + destRow - startRow, persistentIndex.row());
QCOMPARE(idx.column(), persistentIndex.column());
QCOMPARE(QModelIndex(), persistentIndex.parent());
QCOMPARE(idx.model(), persistentIndex.model());
} else {
QCOMPARE(row - (endRow - startRow + 1), persistentIndex.row());
QCOMPARE(idx.column(), persistentIndex.column());
if (idxParent.row() >= destRow) {
QModelIndex adjustedParent;
adjustedParent = idxParent.sibling(idxParent.row() + endRow - startRow + 1, idxParent.column());
QCOMPARE(adjustedParent, persistentIndex.parent());
} else {
QCOMPARE(idxParent, persistentIndex.parent());
}
QCOMPARE(idx.model(), persistentIndex.model());
}
}
}
}
void tst_QAbstractItemModel::testMoveToSibling_data()
{
QTest::addColumn<int>("startRow");
QTest::addColumn<int>("endRow");
QTest::addColumn<int>("destRow");
// Move from the start to the middle
QTest::newRow("move01") << 0 << 2 << 8;
// Move from the start to the end
QTest::newRow("move02") << 0 << 2 << 10;
// Move from the middle to the middle
QTest::newRow("move03") << 2 << 4 << 8;
// Move from the middle to the end
QTest::newRow("move04") << 2 << 4 << 10;
// Move from the middle to the start
QTest::newRow("move05") << 8 << 8 << 0;
// Move from the end to the start
QTest::newRow("move06") << 8 << 9 << 0;
// Move from the middle to the middle
QTest::newRow("move07") << 6 << 8 << 2;
// Move from the end to the middle
QTest::newRow("move08") << 8 << 9 << 5;
// Moving to the same row in a different parent doesn't confuse things.
QTest::newRow("move09") << 8 << 8 << 8;
// Moving to the row of my target and its neighbours doesn't confuse things
QTest::newRow("move10") << 8 << 8 << 4;
QTest::newRow("move11") << 8 << 8 << 5;
QTest::newRow("move12") << 8 << 8 << 6;
// Move such that the destination parent no longer valid after the move.
// The destination parent is always QMI(5, 0), but after this move the
// row count is 5, so (5, 0) (used internally in QAIM) no longer refers to a valid index.
QTest::newRow("move13") << 0 << 4 << 0;
}
void tst_QAbstractItemModel::testMoveToSibling()
{
QFETCH(int, startRow);
QFETCH(int, endRow);
QFETCH(int, destRow);
QList<QPersistentModelIndex> persistentList;
QModelIndexList indexList;
QModelIndexList parentsList;
const int column = 0;
for (int i = 0; i < m_model->rowCount(); ++i) {
QModelIndex idx = m_model->index(i, column);
QVERIFY(idx.isValid());
indexList << idx;
parentsList << idx.parent();
persistentList << QPersistentModelIndex(idx);
}
QModelIndex destIndex = m_model->index(5, 0);
QModelIndex sourceIndex;
for (int i = 0; i < m_model->rowCount(destIndex); ++i) {
QModelIndex idx = m_model->index(i, column, destIndex);
QVERIFY(idx.isValid());
indexList << idx;
parentsList << idx.parent();
persistentList << QPersistentModelIndex(idx);
}
QSignalSpy beforeSpy(m_model, &DynamicTreeModel::rowsAboutToBeMoved);
QSignalSpy afterSpy(m_model, &DynamicTreeModel::rowsMoved);
QVERIFY(beforeSpy.isValid());
QVERIFY(afterSpy.isValid());
QPersistentModelIndex persistentDest = destIndex;
ModelMoveCommand *moveCommand = new ModelMoveCommand(m_model, this);
moveCommand->setNumCols(4);
moveCommand->setStartRow(startRow);
moveCommand->setEndRow(endRow);
moveCommand->setDestAncestors(QList<int>() << 5);
moveCommand->setDestRow(destRow);
moveCommand->doCommand();
QVariantList beforeSignal = beforeSpy.takeAt(0);
QVariantList afterSignal = afterSpy.takeAt(0);
QCOMPARE(beforeSignal.size(), 5);
QCOMPARE(beforeSignal.at(0).value<QModelIndex>(), sourceIndex);
QCOMPARE(beforeSignal.at(1).toInt(), startRow);
QCOMPARE(beforeSignal.at(2).toInt(), endRow);
QCOMPARE(beforeSignal.at(3).value<QModelIndex>(), destIndex);
QCOMPARE(beforeSignal.at(4).toInt(), destRow);
QCOMPARE(afterSignal.size(), 5);
QCOMPARE(afterSignal.at(0).value<QModelIndex>(), sourceIndex);
QCOMPARE(afterSignal.at(1).toInt(), startRow);
QCOMPARE(afterSignal.at(2).toInt(), endRow);
QCOMPARE(afterSignal.at(3).value<QModelIndex>(), static_cast<QModelIndex>(persistentDest));
QCOMPARE(afterSignal.at(4).toInt(), destRow);
for (int i = 0; i < indexList.size(); i++) {
QModelIndex idx = indexList.at(i);
QModelIndex idxParent = parentsList.at(i);
QModelIndex persistentIndex = persistentList.at(i);
QModelIndex adjustedDestination = destIndex.sibling(destIndex.row() - (endRow - startRow + 1), destIndex.column());
int row = idx.row();
if (idxParent == destIndex) {
if (row >= destRow) {
QCOMPARE(row + endRow - startRow + 1, persistentIndex.row());
QCOMPARE(idx.column(), persistentIndex.column());
if (idxParent.row() > startRow) {
QCOMPARE(adjustedDestination, persistentIndex.parent());
} else {
QCOMPARE(destIndex, persistentIndex.parent());
}
QCOMPARE(idx.model(), persistentIndex.model());
} else {
QCOMPARE(idx, persistentIndex);
}
} else {
if (row < startRow) {
QCOMPARE(idx, persistentIndex);
} else if (row <= endRow) {
QCOMPARE(row + destRow - startRow, persistentIndex.row());
QCOMPARE(idx.column(), persistentIndex.column());
if (destIndex.row() > startRow) {
QCOMPARE(adjustedDestination, persistentIndex.parent());
} else {
QCOMPARE(destIndex, persistentIndex.parent());
}
QCOMPARE(idx.model(), persistentIndex.model());
} else {
QCOMPARE(row - (endRow - startRow + 1), persistentIndex.row());
QCOMPARE(idx.column(), persistentIndex.column());
QCOMPARE(idxParent, persistentIndex.parent());
QCOMPARE(idx.model(), persistentIndex.model());
}
}
}
}
void tst_QAbstractItemModel::testMoveToUncle_data()
{
QTest::addColumn<int>("startRow");
QTest::addColumn<int>("endRow");
QTest::addColumn<int>("destRow");
// Move from the start to the middle
QTest::newRow("move01") << 0 << 2 << 8;
// Move from the start to the end
QTest::newRow("move02") << 0 << 2 << 10;
// Move from the middle to the middle
QTest::newRow("move03") << 3 << 5 << 8;
// Move from the middle to the end
QTest::newRow("move04") << 3 << 5 << 10;
// Move from the middle to the start
QTest::newRow("move05") << 5 << 7 << 0;
// Move from the end to the start
QTest::newRow("move06") << 8 << 9 << 0;
// Move from the middle to the middle
QTest::newRow("move07") << 5 << 7 << 2;
// Move from the end to the middle
QTest::newRow("move08") << 8 << 9 << 5;
// Moving to the same row in a different parent doesn't confuse things.
QTest::newRow("move09") << 8 << 8 << 8;
// Moving to the row of my parent and its neighbours doesn't confuse things
QTest::newRow("move10") << 8 << 8 << 4;
QTest::newRow("move11") << 8 << 8 << 5;
QTest::newRow("move12") << 8 << 8 << 6;
// Moving everything from one parent to another
QTest::newRow("move13") << 0 << 9 << 10;
}
void tst_QAbstractItemModel::testMoveToUncle()
{
// Need to have some extra rows available.
ModelInsertCommand *insertCommand = new ModelInsertCommand(m_model, this);
insertCommand->setAncestorRowNumbers(QList<int>() << 9);
insertCommand->setNumCols(4);
insertCommand->setStartRow(0);
insertCommand->setEndRow(9);
insertCommand->doCommand();
QFETCH(int, startRow);
QFETCH(int, endRow);
QFETCH(int, destRow);
QList<QPersistentModelIndex> persistentList;
QModelIndexList indexList;
QModelIndexList parentsList;
const int column = 0;
QModelIndex sourceIndex = m_model->index(9, 0);
for (int i = 0; i < m_model->rowCount(sourceIndex); ++i) {
QModelIndex idx = m_model->index(i, column, sourceIndex);
QVERIFY(idx.isValid());
indexList << idx;
parentsList << idx.parent();
persistentList << QPersistentModelIndex(idx);
}
QModelIndex destIndex = m_model->index(5, 0);
for (int i = 0; i < m_model->rowCount(destIndex); ++i) {
QModelIndex idx = m_model->index(i, column, destIndex);
QVERIFY(idx.isValid());
indexList << idx;
parentsList << idx.parent();
persistentList << QPersistentModelIndex(idx);
}
QSignalSpy beforeSpy(m_model, &DynamicTreeModel::rowsAboutToBeMoved);
QSignalSpy afterSpy(m_model, &DynamicTreeModel::rowsMoved);
QVERIFY(beforeSpy.isValid());
QVERIFY(afterSpy.isValid());
ModelMoveCommand *moveCommand = new ModelMoveCommand(m_model, this);
moveCommand->setAncestorRowNumbers(QList<int>() << 9);
moveCommand->setNumCols(4);
moveCommand->setStartRow(startRow);
moveCommand->setEndRow(endRow);
moveCommand->setDestAncestors(QList<int>() << 5);
moveCommand->setDestRow(destRow);
moveCommand->doCommand();
QVariantList beforeSignal = beforeSpy.takeAt(0);
QVariantList afterSignal = afterSpy.takeAt(0);
QCOMPARE(beforeSignal.size(), 5);
QCOMPARE(beforeSignal.at(0).value<QModelIndex>(), sourceIndex);
QCOMPARE(beforeSignal.at(1).toInt(), startRow);
QCOMPARE(beforeSignal.at(2).toInt(), endRow);
QCOMPARE(beforeSignal.at(3).value<QModelIndex>(), destIndex);
QCOMPARE(beforeSignal.at(4).toInt(), destRow);
QCOMPARE(afterSignal.size(), 5);
QCOMPARE(afterSignal.at(0).value<QModelIndex>(), sourceIndex);
QCOMPARE(afterSignal.at(1).toInt(), startRow);
QCOMPARE(afterSignal.at(2).toInt(), endRow);
QCOMPARE(afterSignal.at(3).value<QModelIndex>(), destIndex);
QCOMPARE(afterSignal.at(4).toInt(), destRow);
for (int i = 0; i < indexList.size(); i++) {
QModelIndex idx = indexList.at(i);
QModelIndex idxParent = parentsList.at(i);
QModelIndex persistentIndex = persistentList.at(i);
int row = idx.row();
if (idxParent == destIndex) {
if (row >= destRow) {
QCOMPARE(row + endRow - startRow + 1, persistentIndex.row());
QCOMPARE(idx.column(), persistentIndex.column());
QCOMPARE(destIndex, persistentIndex.parent());
QCOMPARE(idx.model(), persistentIndex.model());
} else {
QCOMPARE(idx, persistentIndex);
}
} else {
if (row < startRow) {
QCOMPARE(idx, persistentIndex);
} else if (row <= endRow) {
QCOMPARE(row + destRow - startRow, persistentIndex.row());
QCOMPARE(idx.column(), persistentIndex.column());
QCOMPARE(destIndex, persistentIndex.parent());
QCOMPARE(idx.model(), persistentIndex.model());
} else {
QCOMPARE(row - (endRow - startRow + 1), persistentIndex.row());
QCOMPARE(idx.column(), persistentIndex.column());
QCOMPARE(idxParent, persistentIndex.parent());
QCOMPARE(idx.model(), persistentIndex.model());
}
}
}
}
void tst_QAbstractItemModel::testMoveToDescendants()
{
// Attempt to move a row to its ancestors depth rows deep.
const int depth = 6;
// Need to have some extra rows available in a tree.
QList<int> rows;
ModelInsertCommand *insertCommand;
for (int i = 0; i < depth; i++) {
insertCommand = new ModelInsertCommand(m_model, this);
insertCommand->setAncestorRowNumbers(rows);
insertCommand->setNumCols(4);
insertCommand->setStartRow(0);
insertCommand->setEndRow(9);
insertCommand->doCommand();
rows << 9;
}
QList<QPersistentModelIndex> persistentList;
QModelIndexList indexList;
QModelIndexList parentsList;
const int column = 0;
QModelIndex sourceIndex = m_model->index(9, 0);
for (int i = 0; i < m_model->rowCount(sourceIndex); ++i) {
QModelIndex idx = m_model->index(i, column, sourceIndex);
QVERIFY(idx.isValid());
indexList << idx;
parentsList << idx.parent();
persistentList << QPersistentModelIndex(idx);
}
QModelIndex destIndex = m_model->index(5, 0);
for (int i = 0; i < m_model->rowCount(destIndex); ++i) {
QModelIndex idx = m_model->index(i, column, destIndex);
QVERIFY(idx.isValid());
indexList << idx;
parentsList << idx.parent();
persistentList << QPersistentModelIndex(idx);
}
QSignalSpy beforeSpy(m_model, &DynamicTreeModel::rowsAboutToBeMoved);
QSignalSpy afterSpy(m_model, &DynamicTreeModel::rowsMoved);
QVERIFY(beforeSpy.isValid());
QVERIFY(afterSpy.isValid());
ModelMoveCommand *moveCommand;
QList<int> ancestors;
while (ancestors.size() < depth) {
ancestors << 9;
for (int row = 0; row <= 9; row++) {
moveCommand = new ModelMoveCommand(m_model, this);
moveCommand->setNumCols(4);
moveCommand->setStartRow(9);
moveCommand->setEndRow(9);
moveCommand->setDestAncestors(ancestors);
moveCommand->setDestRow(row);
moveCommand->doCommand();
QCOMPARE(beforeSpy.size(), 0);
QCOMPARE(afterSpy.size(), 0);
}
}
}
void tst_QAbstractItemModel::testMoveWithinOwnRange_data()
{
QTest::addColumn<int>("startRow");
QTest::addColumn<int>("endRow");
QTest::addColumn<int>("destRow");
QTest::newRow("move01") << 0 << 0 << 0;
QTest::newRow("move02") << 0 << 0 << 1;
QTest::newRow("move03") << 0 << 5 << 0;
QTest::newRow("move04") << 0 << 5 << 1;
QTest::newRow("move05") << 0 << 5 << 2;
QTest::newRow("move06") << 0 << 5 << 3;
QTest::newRow("move07") << 0 << 5 << 4;
QTest::newRow("move08") << 0 << 5 << 5;
QTest::newRow("move09") << 0 << 5 << 6;
QTest::newRow("move10") << 3 << 5 << 5;
QTest::newRow("move11") << 3 << 5 << 6;
QTest::newRow("move12") << 4 << 5 << 5;
QTest::newRow("move13") << 4 << 5 << 6;
QTest::newRow("move14") << 5 << 5 << 5;
QTest::newRow("move15") << 5 << 5 << 6;
QTest::newRow("move16") << 5 << 9 << 9;
QTest::newRow("move17") << 5 << 9 << 10;
QTest::newRow("move18") << 6 << 9 << 9;
QTest::newRow("move19") << 6 << 9 << 10;
QTest::newRow("move20") << 7 << 9 << 9;
QTest::newRow("move21") << 7 << 9 << 10;
QTest::newRow("move22") << 8 << 9 << 9;
QTest::newRow("move23") << 8 << 9 << 10;
QTest::newRow("move24") << 9 << 9 << 9;
QTest::newRow("move25") << 0 << 9 << 10;
}
void tst_QAbstractItemModel::testMoveWithinOwnRange()
{
QFETCH(int, startRow);
QFETCH(int, endRow);
QFETCH(int, destRow);
QSignalSpy beforeSpy(m_model, &DynamicTreeModel::rowsAboutToBeMoved);
QSignalSpy afterSpy(m_model, &DynamicTreeModel::rowsMoved);
QVERIFY(beforeSpy.isValid());
QVERIFY(afterSpy.isValid());
ModelMoveCommand *moveCommand = new ModelMoveCommand(m_model, this);
moveCommand->setNumCols(4);
moveCommand->setStartRow(startRow);
moveCommand->setEndRow(endRow);
moveCommand->setDestRow(destRow);
moveCommand->doCommand();
QCOMPARE(beforeSpy.size(), 0);
QCOMPARE(afterSpy.size(), 0);
}
class ListenerObject : public QObject
{
Q_OBJECT
public:
ListenerObject(QAbstractProxyModel *parent);
protected:
void fillIndexStores(const QModelIndex &parent);
public slots:
void slotAboutToBeReset();
void slotReset();
private:
QAbstractProxyModel *m_model;
QList<QPersistentModelIndex> m_persistentIndexes;
QModelIndexList m_nonPersistentIndexes;
};
class ModelWithCustomRole : public QStringListModel
{
Q_OBJECT
public:
using QStringListModel::QStringListModel;
QHash<int, QByteArray> roleNames() const override
{
return {{Qt::UserRole + 1, QByteArrayLiteral("custom")}};
}
};
ListenerObject::ListenerObject(QAbstractProxyModel *parent)
: QObject(parent), m_model(parent)
{
connect(m_model, SIGNAL(modelAboutToBeReset()), SLOT(slotAboutToBeReset()));
connect(m_model, SIGNAL(modelReset()), SLOT(slotReset()));
fillIndexStores(QModelIndex());
}
void ListenerObject::fillIndexStores(const QModelIndex &parent)
{
const int column = 0;
int row = 0;
QModelIndex idx = m_model->index(row, column, parent);
while (idx.isValid()) {
m_persistentIndexes << QPersistentModelIndex(idx);
m_nonPersistentIndexes << idx;
if (m_model->hasChildren(idx))
fillIndexStores(idx);
++row;
idx = m_model->index(row, column, parent);
}
}
void ListenerObject::slotAboutToBeReset()
{
// Nothing has been changed yet. All indexes should be the same.
for (int i = 0; i < m_persistentIndexes.size(); ++i) {
QModelIndex idx = m_persistentIndexes.at(i);
QCOMPARE(idx, m_nonPersistentIndexes.at(i));
QVERIFY(m_model->mapToSource(idx).isValid());
}
}
void ListenerObject::slotReset()
{
for (const auto &idx : qAsConst(m_persistentIndexes)) {
QVERIFY(!idx.isValid());
}
}
void tst_QAbstractItemModel::testReset()
{
QSignalSpy beforeResetSpy(m_model, &DynamicTreeModel::modelAboutToBeReset);
QSignalSpy afterResetSpy(m_model, &DynamicTreeModel::modelReset);
QVERIFY(beforeResetSpy.isValid());
QVERIFY(afterResetSpy.isValid());
QSortFilterProxyModel *nullProxy = new QSortFilterProxyModel(this);
nullProxy->setSourceModel(m_model);
// Makes sure the model and proxy are in a consistent state. before and after reset.
ListenerObject *listener = new ListenerObject(nullProxy);
ModelResetCommandFixed *resetCommand = new ModelResetCommandFixed(m_model, this);
resetCommand->setNumCols(4);
resetCommand->setStartRow(0);
resetCommand->setEndRow(0);
resetCommand->setDestRow(0);
resetCommand->setDestAncestors(QList<int>() << 5);
resetCommand->doCommand();
// Verify that the correct signals were emitted
QCOMPARE(beforeResetSpy.size(), 1);
QCOMPARE(afterResetSpy.size(), 1);
// Verify that the move actually happened.
QCOMPARE(m_model->rowCount(), 9);
QModelIndex destIndex = m_model->index(4, 0);
QCOMPARE(m_model->rowCount(destIndex), 11);
// Delete it because its slots test things which are not true after this point.
delete listener;
QSignalSpy proxyBeforeResetSpy(nullProxy, &QSortFilterProxyModel::modelAboutToBeReset);
QSignalSpy proxyAfterResetSpy(nullProxy, &QSortFilterProxyModel::modelReset);
// Before setting it, it does not have custom roles.
QCOMPARE(nullProxy->roleNames().value(Qt::UserRole + 1), QByteArray());
nullProxy->setSourceModel(new ModelWithCustomRole(this));
QCOMPARE(proxyBeforeResetSpy.size(), 1);
QCOMPARE(proxyAfterResetSpy.size(), 1);
QCOMPARE(nullProxy->roleNames().value(Qt::UserRole + 1), QByteArray("custom"));
nullProxy->setSourceModel(m_model);
QCOMPARE(proxyBeforeResetSpy.size(), 2);
QCOMPARE(proxyAfterResetSpy.size(), 2);
// After being reset the proxy must be queried again.
QCOMPARE(nullProxy->roleNames().value(Qt::UserRole + 1), QByteArray());
}
class CustomRoleModel : public QStringListModel
{
Q_OBJECT
Q_ENUMS(Roles)
public:
enum Roles {
Custom1 = Qt::UserRole + 1,
Custom2,
UserRole
};
CustomRoleModel(QObject *parent = 0)
: QStringListModel(QStringList() << "a" << "b" << "c", parent)
{
}
void emitSignals()
{
const QModelIndex top = index(0, 0);
const QModelIndex bottom = index(2, 0);
emit dataChanged(top, bottom);
emit dataChanged(top, bottom, QVector<int>() << Qt::ToolTipRole);
emit dataChanged(top, bottom, QVector<int>() << Qt::ToolTipRole << Custom1);
}
};
void tst_QAbstractItemModel::testDataChanged()
{
CustomRoleModel model;
QSignalSpy withRoles(&model, &CustomRoleModel::dataChanged);
QSignalSpy withoutRoles(&model, &CustomRoleModel::dataChanged);
QVERIFY(withRoles.isValid());
QVERIFY(withoutRoles.isValid());
model.emitSignals();
QCOMPARE(withRoles.size(), withoutRoles.size());
QCOMPARE(withRoles.size(), 3);
const QVariantList secondEmission = withRoles.at(1);
const QVariantList thirdEmission = withRoles.at(2);
const QVector<int> secondRoles = secondEmission.at(2).value<QVector<int> >();
const QVector<int> thirdRoles = thirdEmission.at(2).value<QVector<int> >();
QCOMPARE(secondRoles.size(), 1);
QVERIFY(secondRoles.contains(Qt::ToolTipRole));
QCOMPARE(thirdRoles.size(), 2);
QVERIFY(thirdRoles.contains(Qt::ToolTipRole));
QVERIFY(thirdRoles.contains(CustomRoleModel::Custom1));
}
Q_DECLARE_METATYPE(QList<QPersistentModelIndex>)
class SignalArgumentChecker : public QObject
{
Q_OBJECT
public:
SignalArgumentChecker(const QModelIndex &p1, const QModelIndex &p2, QObject *parent = 0)
: QObject(parent), m_p1(p1), m_p2(p2), m_p1Persistent(p1), m_p2Persistent(p2)
{
connect(p1.model(), SIGNAL(layoutAboutToBeChanged(QList<QPersistentModelIndex>)), SLOT(layoutAboutToBeChanged(QList<QPersistentModelIndex>)));
connect(p1.model(), SIGNAL(layoutChanged(QList<QPersistentModelIndex>)), SLOT(layoutChanged(QList<QPersistentModelIndex>)));
}
private slots:
void layoutAboutToBeChanged(const QList<QPersistentModelIndex> &parents)
{
QCOMPARE(parents.size(), 2);
QVERIFY(parents.first() != parents.at(1));
QVERIFY(parents.contains(m_p1));
QVERIFY(parents.contains(m_p2));
}
void layoutChanged(const QList<QPersistentModelIndex> &parents)
{
QCOMPARE(parents.size(), 2);
QVERIFY(parents.first() != parents.at(1));
QVERIFY(parents.contains(m_p1Persistent));
QVERIFY(parents.contains(m_p2Persistent));
QVERIFY(!parents.contains(m_p2)); // Has changed
}
private:
QModelIndex m_p1;
QModelIndex m_p2;
QPersistentModelIndex m_p1Persistent;
QPersistentModelIndex m_p2Persistent;
};
void tst_QAbstractItemModel::testChildrenLayoutsChanged()
{
DynamicTreeModel model;
ModelInsertCommand *insertCommand = new ModelInsertCommand(&model, this);
insertCommand->setStartRow(0);
insertCommand->setEndRow(9);
insertCommand->doCommand();
insertCommand = new ModelInsertCommand(&model, this);
insertCommand->setAncestorRowNumbers(QList<int>() << 2);
insertCommand->setStartRow(0);
insertCommand->setEndRow(9);
insertCommand->doCommand();
insertCommand = new ModelInsertCommand(&model, this);
insertCommand->setAncestorRowNumbers(QList<int>() << 5);
insertCommand->setStartRow(0);
insertCommand->setEndRow(9);
insertCommand->doCommand();
qRegisterMetaType<QList<QPersistentModelIndex> >();
{
const QModelIndex p1 = model.index(2, 0);
const QModelIndex p2 = model.index(5, 0);
const QPersistentModelIndex p1FirstPersistent = model.index(0, 0, p1);
const QPersistentModelIndex p1LastPersistent = model.index(9, 0, p1);
const QPersistentModelIndex p2FirstPersistent = model.index(0, 0, p2);
const QPersistentModelIndex p2LastPersistent = model.index(9, 0, p2);
QVERIFY(p1.isValid());
QVERIFY(p2.isValid());
QCOMPARE(model.rowCount(), 10);
QCOMPARE(model.rowCount(p1), 10);
QCOMPARE(model.rowCount(p2), 10);
QSignalSpy beforeSpy(&model, &DynamicTreeModel::layoutAboutToBeChanged);
QSignalSpy afterSpy(&model, &DynamicTreeModel::layoutChanged);
QVERIFY(beforeSpy.isValid());
QVERIFY(afterSpy.isValid());
ModelChangeChildrenLayoutsCommand *changeCommand = new ModelChangeChildrenLayoutsCommand(&model, this);
changeCommand->setAncestorRowNumbers(QList<int>() << 2);
changeCommand->setSecondAncestorRowNumbers(QList<int>() << 5);
changeCommand->doCommand();
QCOMPARE(beforeSpy.size(), 1);
QCOMPARE(afterSpy.size(), 1);
const QVariantList beforeSignal = beforeSpy.first();
const QVariantList afterSignal = afterSpy.first();
QCOMPARE(beforeSignal.size(), 2);
QCOMPARE(afterSignal.size(), 2);
const QList<QPersistentModelIndex> beforeParents = beforeSignal.first().value<QList<QPersistentModelIndex> >();
QCOMPARE(beforeParents.size(), 2);
QVERIFY(beforeParents.first() != beforeParents.at(1));
QVERIFY(beforeParents.contains(p1));
QVERIFY(beforeParents.contains(p2));
const QList<QPersistentModelIndex> afterParents = afterSignal.first().value<QList<QPersistentModelIndex> >();
QCOMPARE(afterParents.size(), 2);
QVERIFY(afterParents.first() != afterParents.at(1));
QVERIFY(afterParents.contains(p1));
QVERIFY(afterParents.contains(p2));
// The first will be the last, and the lest will be the first.
QCOMPARE(p1FirstPersistent.row(), 1);
QCOMPARE(p1LastPersistent.row(), 0);
QCOMPARE(p2FirstPersistent.row(), 9);
QCOMPARE(p2LastPersistent.row(), 8);
}
insertCommand = new ModelInsertCommand(&model, this);
insertCommand->setAncestorRowNumbers(QList<int>() << 5 << 4);
insertCommand->setStartRow(0);
insertCommand->setEndRow(9);
insertCommand->doCommand();
delete insertCommand;
// Even when p2 itself is moved around, signal emission remains correct for its children.
{
const QModelIndex p1 = model.index(5, 0);
const QModelIndex p2 = model.index(4, 0, p1);
QVERIFY(p1.isValid());
QVERIFY(p2.isValid());
QCOMPARE(model.rowCount(), 10);
QCOMPARE(model.rowCount(p1), 10);
QCOMPARE(model.rowCount(p2), 10);
const QPersistentModelIndex p1Persistent = p1;
const QPersistentModelIndex p2Persistent = p2;
const QPersistentModelIndex p1FirstPersistent = model.index(0, 0, p1);
const QPersistentModelIndex p1LastPersistent = model.index(9, 0, p1);
const QPersistentModelIndex p2FirstPersistent = model.index(0, 0, p2);
const QPersistentModelIndex p2LastPersistent = model.index(9, 0, p2);
QSignalSpy beforeSpy(&model, &DynamicTreeModel::layoutAboutToBeChanged);
QSignalSpy afterSpy(&model, &DynamicTreeModel::layoutChanged);
QVERIFY(beforeSpy.isValid());
QVERIFY(afterSpy.isValid());
// Because the arguments in the signal are persistent, we need to check them for the aboutToBe
// case at emission time - before they get updated.
SignalArgumentChecker checker(p1, p2);
ModelChangeChildrenLayoutsCommand *changeCommand = new ModelChangeChildrenLayoutsCommand(&model, this);
changeCommand->setAncestorRowNumbers(QList<int>() << 5);
changeCommand->setSecondAncestorRowNumbers(QList<int>() << 5 << 4);
changeCommand->doCommand();
// p2 has been moved.
QCOMPARE(p2Persistent.row(), p2.row() + 1);
QCOMPARE(beforeSpy.size(), 1);
QCOMPARE(afterSpy.size(), 1);
const QVariantList beforeSignal = beforeSpy.first();
const QVariantList afterSignal = afterSpy.first();
QCOMPARE(beforeSignal.size(), 2);
QCOMPARE(afterSignal.size(), 2);
QCOMPARE(p1FirstPersistent.row(), 1);
QCOMPARE(p1LastPersistent.row(), 0);
QCOMPARE(p2FirstPersistent.row(), 9);
QCOMPARE(p2LastPersistent.row(), 8);
}
}
class OverrideRoleNamesAndDragActions : public QStringListModel
{
Q_OBJECT
public:
OverrideRoleNamesAndDragActions(QObject *parent = 0)
: QStringListModel(parent)
{
}
QHash<int, QByteArray> roleNames() const
{
QHash<int, QByteArray> roles = QStringListModel::roleNames();
roles.insert(Qt::UserRole + 2, "custom");
return roles;
}
Qt::DropActions supportedDragActions() const
{
return QStringListModel::supportedDragActions() | Qt::MoveAction;
}
};
void tst_QAbstractItemModel::testRoleNames()
{
QAbstractItemModel *model = new OverrideRoleNamesAndDragActions(this);
QHash<int, QByteArray> roles = model->roleNames();
QVERIFY(roles.contains(Qt::UserRole + 2));
QVERIFY(roles.value(Qt::UserRole + 2) == "custom");
}
void tst_QAbstractItemModel::testDragActions()
{
QAbstractItemModel *model = new OverrideRoleNamesAndDragActions(this);
const Qt::DropActions actions = model->supportedDragActions();
QVERIFY(actions & Qt::CopyAction); // Present by default
QVERIFY(actions & Qt::MoveAction);
}
class OverrideDropActions : public QStringListModel
{
Q_OBJECT
public:
OverrideDropActions(QObject *parent = 0)
: QStringListModel(parent)
{
}
Qt::DropActions supportedDropActions() const override
{
return Qt::MoveAction;
}
};
void tst_QAbstractItemModel::dragActionsFallsBackToDropActions()
{
QAbstractItemModel *model = new OverrideDropActions(this);
QCOMPARE(model->supportedDragActions(), Qt::MoveAction);
QCOMPARE(model->supportedDropActions(), Qt::MoveAction);
}
class SignalConnectionTester : public QObject
{
Q_OBJECT
public:
SignalConnectionTester(QObject *parent = 0)
: QObject(parent), testPassed(false)
{
}
public Q_SLOTS:
void testSlot()
{
testPassed = true;
}
void testSlotWithParam_1(const QModelIndex &idx)
{
testPassed = !idx.isValid();
}
void testSlotWithParam_2(const QModelIndex &idx, int start)
{
testPassed = !idx.isValid() && start == 0;
}
void testSlotWithParam_3(const QModelIndex &idx, int start, int end)
{
testPassed = !idx.isValid() && start == 0 && end == 1;
}
public:
bool testPassed;
};
void tst_QAbstractItemModel::testFunctionPointerSignalConnection()
{
QStringListModel model;
{
SignalConnectionTester tester;
QObject::connect(&model, &QAbstractItemModel::rowsInserted, &tester, &SignalConnectionTester::testSlot);
QVERIFY(!tester.testPassed);
model.insertRows(0, 2);
QVERIFY(tester.testPassed);
tester.testPassed = false;
QMetaObject::invokeMethod(&model, "rowsInserted", Q_ARG(QModelIndex, QModelIndex()), Q_ARG(int, 0), Q_ARG(int, 1));
QVERIFY(tester.testPassed);
}
{
SignalConnectionTester tester;
QObject::connect(&model, &QAbstractItemModel::rowsInserted, &tester, &SignalConnectionTester::testSlotWithParam_1);
QVERIFY(!tester.testPassed);
model.insertRows(0, 2);
QVERIFY(tester.testPassed);
tester.testPassed = false;
QMetaObject::invokeMethod(&model, "rowsInserted", Q_ARG(QModelIndex, QModelIndex()), Q_ARG(int, 0), Q_ARG(int, 1));
QVERIFY(tester.testPassed);
}
{
SignalConnectionTester tester;
QObject::connect(&model, &QAbstractItemModel::rowsInserted, &tester, &SignalConnectionTester::testSlotWithParam_2);
QVERIFY(!tester.testPassed);
model.insertRows(0, 2);
QVERIFY(tester.testPassed);
tester.testPassed = false;
QMetaObject::invokeMethod(&model, "rowsInserted", Q_ARG(QModelIndex, QModelIndex()), Q_ARG(int, 0), Q_ARG(int, 1));
QVERIFY(tester.testPassed);
}
{
SignalConnectionTester tester;
QObject::connect(&model, &QAbstractItemModel::rowsInserted, &tester, &SignalConnectionTester::testSlotWithParam_3);
QVERIFY(!tester.testPassed);
model.insertRows(0, 2);
QVERIFY(tester.testPassed);
tester.testPassed = false;
QMetaObject::invokeMethod(&model, "rowsInserted", Q_ARG(QModelIndex, QModelIndex()), Q_ARG(int, 0), Q_ARG(int, 1));
QVERIFY(tester.testPassed);
}
{
SignalConnectionTester tester;
QObject::connect(&model, SIGNAL(rowsInserted(QModelIndex,int,int)), &tester, SLOT(testSlot()));
QVERIFY(!tester.testPassed);
model.insertRows(0, 2);
QVERIFY(tester.testPassed);
tester.testPassed = false;
QMetaObject::invokeMethod(&model, "rowsInserted", Q_ARG(QModelIndex, QModelIndex()), Q_ARG(int, 0), Q_ARG(int, 1));
QVERIFY(tester.testPassed);
}
// Intentionally does not compile.
// model.rowsInserted(QModelIndex(), 0, 0);
}
void tst_QAbstractItemModel::checkIndex()
{
const QRegularExpression ignorePattern("^Index QModelIndex");
// checkIndex is QAbstractItemModel API; using QStandardItem as an easy
// way to build a tree model
QStandardItemModel model;
QStandardItem *topLevel = new QStandardItem("topLevel");
model.appendRow(topLevel);
topLevel->appendRow(new QStandardItem("child1"));
topLevel->appendRow(new QStandardItem("child2"));
QVERIFY(model.checkIndex(QModelIndex()));
QVERIFY(model.checkIndex(QModelIndex(), QAbstractItemModel::CheckIndexOption::DoNotUseParent));
QVERIFY(model.checkIndex(QModelIndex(), QAbstractItemModel::CheckIndexOption::ParentIsInvalid));
QTest::ignoreMessage(QtWarningMsg, ignorePattern);
QVERIFY(!model.checkIndex(QModelIndex(), QAbstractItemModel::CheckIndexOption::IndexIsValid));
QModelIndex topLevelIndex = model.index(0, 0);
QVERIFY(topLevelIndex.isValid());
QVERIFY(model.checkIndex(topLevelIndex));
QVERIFY(model.checkIndex(topLevelIndex, QAbstractItemModel::CheckIndexOption::DoNotUseParent));
QVERIFY(model.checkIndex(topLevelIndex, QAbstractItemModel::CheckIndexOption::ParentIsInvalid));
QVERIFY(model.checkIndex(topLevelIndex, QAbstractItemModel::CheckIndexOption::IndexIsValid));
QModelIndex childIndex = model.index(0, 0, topLevelIndex);
QVERIFY(childIndex.isValid());
QVERIFY(model.checkIndex(childIndex));
QVERIFY(model.checkIndex(childIndex, QAbstractItemModel::CheckIndexOption::DoNotUseParent));
QTest::ignoreMessage(QtWarningMsg, ignorePattern);
QVERIFY(!model.checkIndex(childIndex, QAbstractItemModel::CheckIndexOption::ParentIsInvalid));
QVERIFY(model.checkIndex(childIndex, QAbstractItemModel::CheckIndexOption::IndexIsValid));
childIndex = model.index(1, 0, topLevelIndex);
QVERIFY(childIndex.isValid());
QVERIFY(model.checkIndex(childIndex));
QVERIFY(model.checkIndex(childIndex, QAbstractItemModel::CheckIndexOption::DoNotUseParent));
QTest::ignoreMessage(QtWarningMsg, ignorePattern);
QVERIFY(!model.checkIndex(childIndex, QAbstractItemModel::CheckIndexOption::ParentIsInvalid));
QVERIFY(model.checkIndex(childIndex, QAbstractItemModel::CheckIndexOption::IndexIsValid));
topLevel->removeRow(1);
QTest::ignoreMessage(QtWarningMsg, ignorePattern);
QVERIFY(!model.checkIndex(childIndex));
QVERIFY(model.checkIndex(childIndex, QAbstractItemModel::CheckIndexOption::DoNotUseParent));
QTest::ignoreMessage(QtWarningMsg, ignorePattern);
QVERIFY(!model.checkIndex(childIndex, QAbstractItemModel::CheckIndexOption::ParentIsInvalid));
QTest::ignoreMessage(QtWarningMsg, ignorePattern);
QVERIFY(!model.checkIndex(childIndex, QAbstractItemModel::CheckIndexOption::IndexIsValid));
QStandardItemModel model2;
model2.appendRow(new QStandardItem("otherTopLevel"));
topLevelIndex = model2.index(0, 0);
QVERIFY(topLevelIndex.isValid());
QVERIFY(model2.checkIndex(topLevelIndex));
QVERIFY(model2.checkIndex(topLevelIndex, QAbstractItemModel::CheckIndexOption::DoNotUseParent));
QVERIFY(model2.checkIndex(topLevelIndex, QAbstractItemModel::CheckIndexOption::ParentIsInvalid));
QVERIFY(model2.checkIndex(topLevelIndex, QAbstractItemModel::CheckIndexOption::IndexIsValid));
QTest::ignoreMessage(QtWarningMsg, ignorePattern);
QVERIFY(!model.checkIndex(topLevelIndex));
QTest::ignoreMessage(QtWarningMsg, ignorePattern);
QVERIFY(!model.checkIndex(topLevelIndex, QAbstractItemModel::CheckIndexOption::DoNotUseParent));
QTest::ignoreMessage(QtWarningMsg, ignorePattern);
QVERIFY(!model.checkIndex(topLevelIndex, QAbstractItemModel::CheckIndexOption::ParentIsInvalid));
QTest::ignoreMessage(QtWarningMsg, ignorePattern);
QVERIFY(!model.checkIndex(topLevelIndex, QAbstractItemModel::CheckIndexOption::IndexIsValid));
}
QTEST_MAIN(tst_QAbstractItemModel)
#include "tst_qabstractitemmodel.moc"