Remove ancient unused ModelTest copy
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@ -1,544 +0,0 @@
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/*
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SPDX-FileCopyrightText: 2011 Nokia Corporation and /or its subsidiary(-ies) <qt-info@nokia.com>
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This file is part of the test suite of the Qt Toolkit.
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SPDX-License-Identifier: LGPL-2.1-only WITH Qt-LGPL-exception-1.1
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*/
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#include <QtGui/QtGui>
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#include "modeltest.h"
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#include <QTest>
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//#undef Q_ASSERT
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//#define Q_ASSERT QVERIFY
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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(QModelIndex,int,int)),
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this, SLOT(runAllTests()));
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connect(model, SIGNAL(columnsAboutToBeRemoved(QModelIndex,int,int)),
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this, SLOT(runAllTests()));
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connect(model, SIGNAL(columnsInserted(QModelIndex,int,int)),
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this, SLOT(runAllTests()));
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connect(model, SIGNAL(columnsRemoved(QModelIndex,int,int)),
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this, SLOT(runAllTests()));
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connect(model, SIGNAL(dataChanged(QModelIndex,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(QModelIndex,int,int)),
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this, SLOT(runAllTests()));
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connect(model, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
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this, SLOT(runAllTests()));
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connect(model, SIGNAL(rowsInserted(QModelIndex,int,int)),
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this, SLOT(runAllTests()));
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connect(model, SIGNAL(rowsRemoved(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(QModelIndex,int,int)),
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this, SLOT(rowsAboutToBeInserted(QModelIndex,int,int)));
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connect(model, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
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this, SLOT(rowsAboutToBeRemoved(QModelIndex,int,int)));
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connect(model, SIGNAL(rowsInserted(QModelIndex,int,int)),
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this, SLOT(rowsInserted(QModelIndex,int,int)));
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connect(model, SIGNAL(rowsRemoved(QModelIndex,int,int)),
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this, SLOT(rowsRemoved(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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}
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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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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(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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// qDebug() << "rc";
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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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}
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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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}
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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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}
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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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// qDebug() << "hi";
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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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}
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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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// qDebug() << "i";
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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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}
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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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// qDebug() << "p";
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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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}
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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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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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}
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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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}
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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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}
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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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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;
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// view.setModel(model);
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// view.show();
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}
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// Check that we can get back our real parent.
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// qDebug() << model->parent ( index ) << parent ;
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Q_ASSERT(model->parent(index) == parent);
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// recursively go down the children
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if (model->hasChildren(index) && currentDepth < 10) {
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//qDebug() << r << c << "has children" << model->rowCount(index);
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checkChildren(index, ++currentDepth);
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}/* else { if (currentDepth >= 10) qDebug() << "checked 10 deep"; };*/
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// make sure that after testing the children that the index doesn't change.
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QModelIndex newerIndex = model->index(r, c, parent);
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Q_ASSERT(index == newerIndex);
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}
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}
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}
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/*!
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Tests model's implementation of QAbstractItemModel::data()
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*/
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void ModelTest::data()
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{
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// Invalid index should return an invalid qvariant
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Q_ASSERT(!model->data(QModelIndex()).isValid());
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if (model->rowCount() == 0) {
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return;
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}
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// A valid index should have a valid QVariant data
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Q_ASSERT(model->index(0, 0).isValid());
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// shouldn't be able to set data on an invalid index
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Q_ASSERT(model->setData(QModelIndex(), QLatin1String("foo"), Qt::DisplayRole) == false);
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// General Purpose roles that should return a QString
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QVariant variant = model->data(model->index(0, 0), Qt::ToolTipRole);
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if (variant.isValid()) {
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Q_ASSERT(qVariantCanConvert<QString> (variant));
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}
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variant = model->data(model->index(0, 0), Qt::StatusTipRole);
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if (variant.isValid()) {
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Q_ASSERT(qVariantCanConvert<QString> (variant));
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}
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variant = model->data(model->index(0, 0), Qt::WhatsThisRole);
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if (variant.isValid()) {
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Q_ASSERT(qVariantCanConvert<QString> (variant));
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}
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// General Purpose roles that should return a QSize
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variant = model->data(model->index(0, 0), Qt::SizeHintRole);
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if (variant.isValid()) {
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Q_ASSERT(qVariantCanConvert<QSize> (variant));
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}
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// General Purpose roles that should return a QFont
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QVariant fontVariant = model->data(model->index(0, 0), Qt::FontRole);
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if (fontVariant.isValid()) {
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Q_ASSERT(qVariantCanConvert<QFont> (fontVariant));
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}
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// Check that the alignment is one we know about
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QVariant textAlignmentVariant = model->data(model->index(0, 0), Qt::TextAlignmentRole);
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if (textAlignmentVariant.isValid()) {
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int alignment = textAlignmentVariant.toInt();
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Q_ASSERT(alignment == (alignment & (Qt::AlignHorizontal_Mask | Qt::AlignVertical_Mask)));
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}
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// General Purpose roles that should return a QColor
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QVariant colorVariant = model->data(model->index(0, 0), Qt::BackgroundRole);
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if (colorVariant.isValid()) {
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Q_ASSERT(qVariantCanConvert<QColor> (colorVariant));
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}
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colorVariant = model->data(model->index(0, 0), Qt::ForegroundRole);
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if (colorVariant.isValid()) {
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Q_ASSERT(qVariantCanConvert<QColor> (colorVariant));
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}
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// Check that the "check state" is one we know about.
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QVariant checkStateVariant = model->data(model->index(0, 0), Qt::CheckStateRole);
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if (checkStateVariant.isValid()) {
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int state = checkStateVariant.toInt();
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Q_ASSERT(state == Qt::Unchecked ||
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state == Qt::PartiallyChecked ||
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state == Qt::Checked);
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}
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}
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/*!
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Store what is about to be inserted to make sure it actually happens
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\sa rowsInserted()
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*/
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void ModelTest::rowsAboutToBeInserted(const QModelIndex &parent, int start, int end)
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{
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// Q_UNUSED(end);
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// qDebug() << "rowsAboutToBeInserted" << "start=" << start << "end=" << end << "parent=" << model->data ( parent ).toString()
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// << "current count of parent=" << model->rowCount ( parent ); // << "display of last=" << model->data( model->index(start-1, 0, parent) );
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// qDebug() << model->index(start-1, 0, parent) << model->data( model->index(start-1, 0, parent) );
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Changing c;
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c.parent = parent;
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c.oldSize = model->rowCount(parent);
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c.last = model->data(model->index(start - 1, 0, parent));
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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);
|
||||
// qDebug() << "rowsInserted" << "start=" << start << "end=" << end << "oldsize=" << c.oldSize
|
||||
// << "parent=" << model->data ( parent ).toString() << "current rowcount of parent=" << model->rowCount ( parent );
|
||||
|
||||
// for (int ii=start; ii <= end; ii++)
|
||||
// {
|
||||
// qDebug() << "itemWasInserted:" << ii << model->data ( model->index ( ii, 0, parent ));
|
||||
// }
|
||||
// qDebug();
|
||||
|
||||
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)
|
||||
{
|
||||
qDebug() << "ratbr" << parent << start << 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)
|
||||
{
|
||||
qDebug() << "rr" << parent << start << 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)));
|
||||
}
|
||||
|
@ -1,60 +0,0 @@
|
||||
/*
|
||||
SPDX-FileCopyrightText: 2011 Nokia Corporation and /or its subsidiary(-ies) <qt-info@nokia.com>
|
||||
|
||||
This file is part of the test suite of the Qt Toolkit.
|
||||
|
||||
SPDX-License-Identifier: LGPL-2.1-only WITH Qt-LGPL-exception-1.1
|
||||
*/
|
||||
|
||||
#ifndef MODELTEST_H
|
||||
#define MODELTEST_H
|
||||
|
||||
#include <QObject>
|
||||
#include <QAbstractItemModel>
|
||||
#include <QStack>
|
||||
|
||||
class ModelTest : public QObject
|
||||
{
|
||||
Q_OBJECT
|
||||
|
||||
public:
|
||||
explicit ModelTest(QAbstractItemModel *model, QObject *parent = nullptr);
|
||||
|
||||
private Q_SLOTS:
|
||||
void nonDestructiveBasicTest();
|
||||
void rowCount();
|
||||
void columnCount();
|
||||
void hasIndex();
|
||||
void index();
|
||||
void parent();
|
||||
void data();
|
||||
|
||||
protected Q_SLOTS:
|
||||
void runAllTests();
|
||||
void layoutAboutToBeChanged();
|
||||
void layoutChanged();
|
||||
void rowsAboutToBeInserted(const QModelIndex &parent, int start, int end);
|
||||
void rowsInserted(const QModelIndex &parent, int start, int end);
|
||||
void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
|
||||
void rowsRemoved(const QModelIndex &parent, int start, int end);
|
||||
|
||||
private:
|
||||
void checkChildren(const QModelIndex &parent, int currentDepth = 0);
|
||||
|
||||
QAbstractItemModel *model;
|
||||
|
||||
struct Changing {
|
||||
QModelIndex parent;
|
||||
int oldSize;
|
||||
QVariant last;
|
||||
QVariant next;
|
||||
};
|
||||
QStack<Changing> insert;
|
||||
QStack<Changing> remove;
|
||||
|
||||
bool fetchingMore;
|
||||
|
||||
QList<QPersistentModelIndex> changing;
|
||||
};
|
||||
|
||||
#endif
|
Loading…
Reference in New Issue
Block a user