2008-05-03 09:37:10 -05:00
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/****************************************************************************
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**
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** Copyright (C) 2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of the Qt Concurrent project on Trolltech Labs.
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**
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** This file may be used under the terms of the GNU General Public
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** License version 2.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of
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** this file. Please review the following information to ensure GNU
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** General Public Licensing requirements will be met:
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** http://www.trolltech.com/products/qt/opensource.html
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**
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://www.trolltech.com/products/qt/licensing.html or contact the
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** sales department at sales@trolltech.com.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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****************************************************************************/
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#include <QtGui/QtGui>
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#include "modeltest.h"
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Q_DECLARE_METATYPE(QModelIndex)
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/*!
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Connect to all of the models signals. Whenever anything happens recheck everything.
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*/
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ModelTest::ModelTest(QAbstractItemModel *_model, QObject *parent) : QObject(parent), model(_model), fetchingMore(false)
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{
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Q_ASSERT(model);
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connect(model, SIGNAL(columnsAboutToBeInserted(const QModelIndex &, int, int)),
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this, SLOT(runAllTests()));
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connect(model, SIGNAL(columnsAboutToBeRemoved(const QModelIndex &, int, int)),
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this, SLOT(runAllTests()));
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connect(model, SIGNAL(columnsInserted(const QModelIndex &, int, int)),
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this, SLOT(runAllTests()));
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connect(model, SIGNAL(columnsRemoved(const QModelIndex &, int, int)),
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this, SLOT(runAllTests()));
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connect(model, SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),
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this, SLOT(runAllTests()));
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connect(model, SIGNAL(headerDataChanged(Qt::Orientation, int, int)),
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this, SLOT(runAllTests()));
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connect(model, SIGNAL(layoutAboutToBeChanged ()), this, SLOT(runAllTests()));
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connect(model, SIGNAL(layoutChanged ()), this, SLOT(runAllTests()));
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connect(model, SIGNAL(modelReset ()), this, SLOT(runAllTests()));
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connect(model, SIGNAL(rowsAboutToBeInserted(const QModelIndex &, int, int)),
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this, SLOT(runAllTests()));
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connect(model, SIGNAL(rowsAboutToBeRemoved(const QModelIndex &, int, int)),
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this, SLOT(runAllTests()));
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connect(model, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
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this, SLOT(runAllTests()));
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connect(model, SIGNAL(rowsRemoved(const QModelIndex &, int, int)),
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this, SLOT(runAllTests()));
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// Special checks for inserting/removing
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connect(model, SIGNAL(layoutAboutToBeChanged()),
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this, SLOT(layoutAboutToBeChanged()));
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connect(model, SIGNAL(layoutChanged()),
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this, SLOT(layoutChanged()));
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connect(model, SIGNAL(rowsAboutToBeInserted(const QModelIndex &, int, int)),
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this, SLOT(rowsAboutToBeInserted(const QModelIndex &, int, int)));
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connect(model, SIGNAL(rowsAboutToBeRemoved(const QModelIndex &, int, int)),
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this, SLOT(rowsAboutToBeRemoved(const QModelIndex &, int, int)));
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connect(model, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
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this, SLOT(rowsInserted(const QModelIndex &, int, int)));
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connect(model, SIGNAL(rowsRemoved(const QModelIndex &, int, int)),
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this, SLOT(rowsRemoved(const QModelIndex &, int, int)));
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runAllTests();
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}
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void ModelTest::runAllTests()
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{
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if (fetchingMore)
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return;
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nonDestructiveBasicTest();
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rowCount();
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columnCount();
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hasIndex();
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index();
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parent();
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data();
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}
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/*!
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nonDestructiveBasicTest tries to call a number of the basic functions (not all)
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to make sure the model doesn't outright segfault, testing the functions that makes sense.
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*/
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void ModelTest::nonDestructiveBasicTest()
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{
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Q_ASSERT(model->buddy(QModelIndex()) == QModelIndex());
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model->canFetchMore(QModelIndex());
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Q_ASSERT(model->columnCount(QModelIndex()) >= 0);
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Q_ASSERT(model->data(QModelIndex()) == QVariant());
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fetchingMore = true;
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model->fetchMore(QModelIndex());
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fetchingMore = false;
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Qt::ItemFlags flags = model->flags(QModelIndex());
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Q_ASSERT(flags == Qt::ItemIsDropEnabled || flags == 0);
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model->hasChildren(QModelIndex());
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model->hasIndex(0, 0);
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model->headerData(0, Qt::Horizontal);
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model->index(0, 0);
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Q_ASSERT(model->index(-1, -1) == QModelIndex());
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model->itemData(QModelIndex());
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QVariant cache;
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model->match(QModelIndex(), -1, cache);
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model->mimeTypes();
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Q_ASSERT(model->parent(QModelIndex()) == QModelIndex());
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Q_ASSERT(model->rowCount() >= 0);
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QVariant variant;
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model->setData(QModelIndex(), variant, -1);
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model->setHeaderData(-1, Qt::Horizontal, QVariant());
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model->setHeaderData(0, Qt::Horizontal, QVariant());
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model->setHeaderData(999999, Qt::Horizontal, QVariant());
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QMap<int, QVariant> roles;
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model->sibling(0, 0, QModelIndex());
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model->span(QModelIndex());
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model->supportedDropActions();
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}
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/*!
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Tests model's implementation of QAbstractItemModel::rowCount() and hasChildren()
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Models that are dynamically populated are not as fully tested here.
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*/
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void ModelTest::rowCount()
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{
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// check top row
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QModelIndex topIndex = model->index(0, 0, QModelIndex());
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int rows = model->rowCount(topIndex);
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Q_ASSERT(rows >= 0);
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if (rows > 0)
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Q_ASSERT(model->hasChildren(topIndex) == true);
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QModelIndex secondLevelIndex = model->index(0, 0, topIndex);
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if (secondLevelIndex.isValid()) { // not the top level
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// check a row count where parent is valid
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rows = model->rowCount(secondLevelIndex);
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Q_ASSERT(rows >= 0);
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if (rows > 0)
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Q_ASSERT(model->hasChildren(secondLevelIndex) == true);
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}
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// The models rowCount() is tested more extensively in checkChildren(),
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// but this catches the big mistakes
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}
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/*!
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Tests model's implementation of QAbstractItemModel::columnCount() and hasChildren()
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*/
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void ModelTest::columnCount()
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{
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// check top row
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QModelIndex topIndex = model->index(0, 0, QModelIndex());
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Q_ASSERT(model->columnCount(topIndex) >= 0);
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// check a column count where parent is valid
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QModelIndex childIndex = model->index(0, 0, topIndex);
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if (childIndex.isValid())
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Q_ASSERT(model->columnCount(childIndex) >= 0);
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// columnCount() is tested more extensively in checkChildren(),
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// but this catches the big mistakes
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}
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/*!
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Tests model's implementation of QAbstractItemModel::hasIndex()
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*/
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void ModelTest::hasIndex()
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{
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// Make sure that invalid values returns an invalid index
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Q_ASSERT(model->hasIndex(-2, -2) == false);
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Q_ASSERT(model->hasIndex(-2, 0) == false);
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Q_ASSERT(model->hasIndex(0, -2) == false);
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int rows = model->rowCount();
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int columns = model->columnCount();
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// check out of bounds
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Q_ASSERT(model->hasIndex(rows, columns) == false);
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Q_ASSERT(model->hasIndex(rows + 1, columns + 1) == false);
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if (rows > 0)
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Q_ASSERT(model->hasIndex(0, 0) == true);
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// hasIndex() is tested more extensively in checkChildren(),
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// but this catches the big mistakes
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}
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/*!
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Tests model's implementation of QAbstractItemModel::index()
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*/
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void ModelTest::index()
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{
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// Make sure that invalid values returns an invalid index
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Q_ASSERT(model->index(-2, -2) == QModelIndex());
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Q_ASSERT(model->index(-2, 0) == QModelIndex());
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Q_ASSERT(model->index(0, -2) == QModelIndex());
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int rows = model->rowCount();
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int columns = model->columnCount();
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if (rows == 0)
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return;
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// Catch off by one errors
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Q_ASSERT(model->index(rows, columns) == QModelIndex());
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Q_ASSERT(model->index(0, 0).isValid() == true);
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// Make sure that the same index is *always* returned
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QModelIndex a = model->index(0, 0);
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QModelIndex b = model->index(0, 0);
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Q_ASSERT(a == b);
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// index() is tested more extensively in checkChildren(),
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// but this catches the big mistakes
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}
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/*!
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Tests model's implementation of QAbstractItemModel::parent()
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*/
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void ModelTest::parent()
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{
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// Make sure the model wont crash and will return an invalid QModelIndex
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// when asked for the parent of an invalid index.
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Q_ASSERT(model->parent(QModelIndex()) == QModelIndex());
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if (model->rowCount() == 0)
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return;
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// Column 0 | Column 1 |
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// QModelIndex() | |
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// \- topIndex | topIndex1 |
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// \- childIndex | childIndex1 |
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// Common error test #1, make sure that a top level index has a parent
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// that is a invalid QModelIndex.
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QModelIndex topIndex = model->index(0, 0, QModelIndex());
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Q_ASSERT(model->parent(topIndex) == QModelIndex());
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// Common error test #2, make sure that a second level index has a parent
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// that is the first level index.
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if (model->rowCount(topIndex) > 0) {
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QModelIndex childIndex = model->index(0, 0, topIndex);
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2009-12-28 02:31:28 -06:00
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qDebug("topIndex RCI %x %x %llx", topIndex.row(), topIndex.column(), topIndex.internalId());
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qDebug("topIndex I %llx", topIndex.internalId());
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qDebug("childIndex RCI %x %x %llx", childIndex.row(), childIndex.column(), childIndex.internalId());
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2008-05-03 09:37:10 -05:00
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Q_ASSERT(model->parent(childIndex) == topIndex);
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}
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// Common error test #3, the second column should NOT have the same children
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// as the first column in a row.
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// Usually the second column shouldn't have children.
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QModelIndex topIndex1 = model->index(0, 1, QModelIndex());
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if (model->rowCount(topIndex1) > 0) {
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QModelIndex childIndex = model->index(0, 0, topIndex);
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QModelIndex childIndex1 = model->index(0, 0, topIndex1);
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Q_ASSERT(childIndex != childIndex1);
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}
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// Full test, walk n levels deep through the model making sure that all
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// parent's children correctly specify their parent.
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checkChildren(QModelIndex());
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}
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/*!
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Called from the parent() test.
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A model that returns an index of parent X should also return X when asking
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for the parent of the index.
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This recursive function does pretty extensive testing on the whole model in an
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effort to catch edge cases.
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This function assumes that rowCount(), columnCount() and index() already work.
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If they have a bug it will point it out, but the above tests should have already
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found the basic bugs because it is easier to figure out the problem in
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those tests then this one.
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*/
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void ModelTest::checkChildren(const QModelIndex &parent, int currentDepth)
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{
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// First just try walking back up the tree.
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QModelIndex p = parent;
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while (p.isValid())
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p = p.parent();
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// For models that are dynamically populated
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if (model->canFetchMore(parent)) {
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fetchingMore = true;
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model->fetchMore(parent);
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fetchingMore = false;
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}
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int rows = model->rowCount(parent);
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int columns = model->columnCount(parent);
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if (rows > 0)
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Q_ASSERT(model->hasChildren(parent));
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// Some further testing against rows(), columns(), and hasChildren()
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Q_ASSERT(rows >= 0);
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Q_ASSERT(columns >= 0);
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if (rows > 0)
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Q_ASSERT(model->hasChildren(parent) == true);
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//qDebug() << "parent:" << model->data(parent).toString() << "rows:" << rows
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// << "columns:" << columns << "parent column:" << parent.column();
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Q_ASSERT(model->hasIndex(rows + 1, 0, parent) == false);
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for (int r = 0; r < rows; ++r) {
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if (model->canFetchMore(parent)) {
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fetchingMore = true;
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model->fetchMore(parent);
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fetchingMore = false;
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}
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Q_ASSERT(model->hasIndex(r, columns + 1, parent) == false);
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for (int c = 0; c < columns; ++c) {
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Q_ASSERT(model->hasIndex(r, c, parent) == true);
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QModelIndex index = model->index(r, c, parent);
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// rowCount() and columnCount() said that it existed...
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Q_ASSERT(index.isValid() == true);
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// index() should always return the same index when called twice in a row
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QModelIndex modifiedIndex = model->index(r, c, parent);
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Q_ASSERT(index == modifiedIndex);
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// Make sure we get the same index if we request it twice in a row
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QModelIndex a = model->index(r, c, parent);
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QModelIndex b = model->index(r, c, parent);
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Q_ASSERT(a == b);
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// Some basic checking on the index that is returned
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Q_ASSERT(index.model() == model);
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Q_ASSERT(index.row() == r);
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Q_ASSERT(index.column() == c);
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// While you can technically return a QVariant usually this is a sign
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// of an bug in data() Disable if this really is ok in your model.
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//Q_ASSERT(model->data(index, Qt::DisplayRole).isValid() == true);
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// If the next test fails here is some somewhat useful debug you play with.
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/*
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if (model->parent(index) != parent) {
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qDebug() << r << c << currentDepth << model->data(index).toString()
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<< model->data(parent).toString();
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qDebug() << index << parent << model->parent(index);
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// And a view that you can even use to show the model.
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|
//QTreeView view;
|
|
|
|
//view.setModel(model);
|
|
|
|
//view.show();
|
|
|
|
}*/
|
|
|
|
|
|
|
|
// Check that we can get back our real parent.
|
|
|
|
QModelIndex p = model->parent(index);
|
|
|
|
//qDebug() << "child:" << index;
|
|
|
|
//qDebug() << p;
|
|
|
|
//qDebug() << parent;
|
|
|
|
Q_ASSERT(model->parent(index) == parent);
|
|
|
|
|
|
|
|
// recursively go down the children
|
|
|
|
if (model->hasChildren(index) && currentDepth < 10 ) {
|
|
|
|
//qDebug() << r << c << "has children" << model->rowCount(index);
|
|
|
|
checkChildren(index, ++currentDepth);
|
|
|
|
}/* else { if (currentDepth >= 10) qDebug() << "checked 10 deep"; };*/
|
|
|
|
|
|
|
|
// make sure that after testing the children that the index doesn't change.
|
|
|
|
QModelIndex newerIndex = model->index(r, c, parent);
|
|
|
|
Q_ASSERT(index == newerIndex);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
Tests model's implementation of QAbstractItemModel::data()
|
|
|
|
*/
|
|
|
|
void ModelTest::data()
|
|
|
|
{
|
|
|
|
// Invalid index should return an invalid qvariant
|
|
|
|
Q_ASSERT(!model->data(QModelIndex()).isValid());
|
|
|
|
|
|
|
|
if (model->rowCount() == 0)
|
|
|
|
return;
|
|
|
|
|
|
|
|
// A valid index should have a valid QVariant data
|
|
|
|
Q_ASSERT(model->index(0, 0).isValid());
|
|
|
|
|
|
|
|
// shouldn't be able to set data on an invalid index
|
|
|
|
Q_ASSERT(model->setData(QModelIndex(), QLatin1String("foo"), Qt::DisplayRole) == false);
|
|
|
|
|
|
|
|
// General Purpose roles that should return a QString
|
|
|
|
QVariant variant = model->data(model->index(0, 0), Qt::ToolTipRole);
|
|
|
|
if (variant.isValid()) {
|
|
|
|
Q_ASSERT(qVariantCanConvert<QString>(variant));
|
|
|
|
}
|
|
|
|
variant = model->data(model->index(0, 0), Qt::StatusTipRole);
|
|
|
|
if (variant.isValid()) {
|
|
|
|
Q_ASSERT(qVariantCanConvert<QString>(variant));
|
|
|
|
}
|
|
|
|
variant = model->data(model->index(0, 0), Qt::WhatsThisRole);
|
|
|
|
if (variant.isValid()) {
|
|
|
|
Q_ASSERT(qVariantCanConvert<QString>(variant));
|
|
|
|
}
|
|
|
|
|
|
|
|
// General Purpose roles that should return a QSize
|
|
|
|
variant = model->data(model->index(0, 0), Qt::SizeHintRole);
|
|
|
|
if (variant.isValid()) {
|
|
|
|
Q_ASSERT(qVariantCanConvert<QSize>(variant));
|
|
|
|
}
|
|
|
|
|
|
|
|
// General Purpose roles that should return a QFont
|
|
|
|
QVariant fontVariant = model->data(model->index(0, 0), Qt::FontRole);
|
|
|
|
if (fontVariant.isValid()) {
|
|
|
|
Q_ASSERT(qVariantCanConvert<QFont>(fontVariant));
|
|
|
|
}
|
|
|
|
|
|
|
|
// Check that the alignment is one we know about
|
|
|
|
QVariant textAlignmentVariant = model->data(model->index(0, 0), Qt::TextAlignmentRole);
|
|
|
|
if (textAlignmentVariant.isValid()) {
|
|
|
|
int alignment = textAlignmentVariant.toInt();
|
|
|
|
Q_ASSERT(alignment == Qt::AlignLeft ||
|
|
|
|
alignment == Qt::AlignRight ||
|
|
|
|
alignment == Qt::AlignHCenter ||
|
|
|
|
alignment == Qt::AlignJustify ||
|
|
|
|
alignment == Qt::AlignTop ||
|
|
|
|
alignment == Qt::AlignBottom ||
|
|
|
|
alignment == Qt::AlignVCenter ||
|
|
|
|
alignment == Qt::AlignCenter ||
|
|
|
|
alignment == Qt::AlignAbsolute ||
|
|
|
|
alignment == Qt::AlignLeading ||
|
|
|
|
alignment == Qt::AlignTrailing);
|
|
|
|
}
|
|
|
|
|
|
|
|
// General Purpose roles that should return a QColor
|
|
|
|
QVariant colorVariant = model->data(model->index(0, 0), Qt::BackgroundColorRole);
|
|
|
|
if (colorVariant.isValid()) {
|
|
|
|
Q_ASSERT(qVariantCanConvert<QColor>(colorVariant));
|
|
|
|
}
|
|
|
|
|
|
|
|
colorVariant = model->data(model->index(0, 0), Qt::TextColorRole);
|
|
|
|
if (colorVariant.isValid()) {
|
|
|
|
Q_ASSERT(qVariantCanConvert<QColor>(colorVariant));
|
|
|
|
}
|
|
|
|
|
|
|
|
// Check that the "check state" is one we know about.
|
|
|
|
QVariant checkStateVariant = model->data(model->index(0, 0), Qt::CheckStateRole);
|
|
|
|
if (checkStateVariant.isValid()) {
|
|
|
|
int state = checkStateVariant.toInt();
|
|
|
|
Q_ASSERT(state == Qt::Unchecked ||
|
|
|
|
state == Qt::PartiallyChecked ||
|
|
|
|
state == Qt::Checked);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
Store what is about to be inserted to make sure it actually happens
|
|
|
|
|
|
|
|
\sa rowsInserted()
|
|
|
|
*/
|
|
|
|
void ModelTest::rowsAboutToBeInserted(const QModelIndex &parent, int start, int end)
|
|
|
|
{
|
|
|
|
Q_UNUSED(end);
|
|
|
|
Changing c;
|
|
|
|
c.parent = parent;
|
|
|
|
c.oldSize = model->rowCount(parent);
|
|
|
|
c.last = model->data(model->index(start - 1, 0, parent));
|
|
|
|
c.next = model->data(model->index(start, 0, parent));
|
|
|
|
insert.push(c);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
Confirm that what was said was going to happen actually did
|
|
|
|
|
|
|
|
\sa rowsAboutToBeInserted()
|
|
|
|
*/
|
|
|
|
void ModelTest::rowsInserted(const QModelIndex & parent, int start, int end)
|
|
|
|
{
|
|
|
|
Changing c = insert.pop();
|
|
|
|
Q_ASSERT(c.parent == parent);
|
|
|
|
Q_ASSERT(c.oldSize + (end - start + 1) == model->rowCount(parent));
|
|
|
|
Q_ASSERT(c.last == model->data(model->index(start - 1, 0, c.parent)));
|
|
|
|
/*
|
|
|
|
if (c.next != model->data(model->index(end + 1, 0, c.parent))) {
|
|
|
|
qDebug() << start << end;
|
|
|
|
for (int i=0; i < model->rowCount(); ++i)
|
|
|
|
qDebug() << model->index(i, 0).data().toString();
|
|
|
|
qDebug() << c.next << model->data(model->index(end + 1, 0, c.parent));
|
|
|
|
}
|
|
|
|
*/
|
|
|
|
Q_ASSERT(c.next == model->data(model->index(end + 1, 0, c.parent)));
|
|
|
|
}
|
|
|
|
|
|
|
|
void ModelTest::layoutAboutToBeChanged()
|
|
|
|
{
|
|
|
|
for (int i = 0; i < qBound(0, model->rowCount(), 100); ++i)
|
|
|
|
changing.append(QPersistentModelIndex(model->index(i, 0)));
|
|
|
|
}
|
|
|
|
|
|
|
|
void ModelTest::layoutChanged()
|
|
|
|
{
|
|
|
|
for (int i = 0; i < changing.count(); ++i) {
|
|
|
|
QPersistentModelIndex p = changing[i];
|
|
|
|
Q_ASSERT(p == model->index(p.row(), p.column(), p.parent()));
|
|
|
|
}
|
|
|
|
changing.clear();
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
Store what is about to be inserted to make sure it actually happens
|
|
|
|
|
|
|
|
\sa rowsRemoved()
|
|
|
|
*/
|
|
|
|
void ModelTest::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end)
|
|
|
|
{
|
|
|
|
Changing c;
|
|
|
|
c.parent = parent;
|
|
|
|
c.oldSize = model->rowCount(parent);
|
|
|
|
c.last = model->data(model->index(start - 1, 0, parent));
|
|
|
|
c.next = model->data(model->index(end + 1, 0, parent));
|
|
|
|
remove.push(c);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
Confirm that what was said was going to happen actually did
|
|
|
|
|
|
|
|
\sa rowsAboutToBeRemoved()
|
|
|
|
*/
|
|
|
|
void ModelTest::rowsRemoved(const QModelIndex & parent, int start, int end)
|
|
|
|
{
|
|
|
|
Changing c = remove.pop();
|
|
|
|
Q_ASSERT(c.parent == parent);
|
|
|
|
Q_ASSERT(c.oldSize - (end - start + 1) == model->rowCount(parent));
|
|
|
|
Q_ASSERT(c.last == model->data(model->index(start - 1, 0, c.parent)));
|
|
|
|
Q_ASSERT(c.next == model->data(model->index(start, 0, c.parent)));
|
|
|
|
}
|
|
|
|
|