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Diffstat (limited to 'tests/auto/other/modeltest/modeltest.cpp')
| -rw-r--r-- | tests/auto/other/modeltest/modeltest.cpp | 581 |
1 files changed, 0 insertions, 581 deletions
diff --git a/tests/auto/other/modeltest/modeltest.cpp b/tests/auto/other/modeltest/modeltest.cpp deleted file mode 100644 index 611f9e904b..0000000000 --- a/tests/auto/other/modeltest/modeltest.cpp +++ /dev/null @@ -1,581 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the test suite of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:GPL-EXCEPT$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3 as published by the Free Software -** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "modeltest.h" - -#include <QtCore/QtCore> -#include <QtTest/QtTest> - -/*! - Connect to all of the models signals. Whenever anything happens recheck everything. -*/ -ModelTest::ModelTest(QAbstractItemModel *_model, QObject *parent) : QObject(parent), - model(_model), - fetchingMore(false) -{ - if (!model) - qFatal("%s: model must not be null", Q_FUNC_INFO); - - connect(model, SIGNAL(columnsAboutToBeInserted(QModelIndex,int,int)), - this, SLOT(runAllTests())); - connect(model, SIGNAL(columnsAboutToBeRemoved(QModelIndex,int,int)), - this, SLOT(runAllTests())); - connect(model, SIGNAL(columnsInserted(QModelIndex,int,int)), - this, SLOT(runAllTests())); - connect(model, SIGNAL(columnsRemoved(QModelIndex,int,int)), - this, SLOT(runAllTests())); - connect(model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), - this, SLOT(runAllTests())); - connect(model, SIGNAL(headerDataChanged(Qt::Orientation,int,int)), - this, SLOT(runAllTests())); - connect(model, SIGNAL(layoutAboutToBeChanged()), this, SLOT(runAllTests())); - connect(model, SIGNAL(layoutChanged()), this, SLOT(runAllTests())); - connect(model, SIGNAL(modelReset()), this, SLOT(runAllTests())); - connect(model, SIGNAL(rowsAboutToBeInserted(QModelIndex,int,int)), - this, SLOT(runAllTests())); - connect(model, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)), - this, SLOT(runAllTests())); - connect(model, SIGNAL(rowsInserted(QModelIndex,int,int)), - this, SLOT(runAllTests())); - connect(model, SIGNAL(rowsRemoved(QModelIndex,int,int)), - this, SLOT(runAllTests())); - - // Special checks for changes - connect(model, SIGNAL(layoutAboutToBeChanged()), - this, SLOT(layoutAboutToBeChanged())); - connect(model, SIGNAL(layoutChanged()), - this, SLOT(layoutChanged())); - - connect(model, SIGNAL(rowsAboutToBeInserted(QModelIndex,int,int)), - this, SLOT(rowsAboutToBeInserted(QModelIndex,int,int))); - connect(model, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)), - this, SLOT(rowsAboutToBeRemoved(QModelIndex,int,int))); - connect(model, SIGNAL(rowsInserted(QModelIndex,int,int)), - this, SLOT(rowsInserted(QModelIndex,int,int))); - connect(model, SIGNAL(rowsRemoved(QModelIndex,int,int)), - this, SLOT(rowsRemoved(QModelIndex,int,int))); - connect(model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), - this, SLOT(dataChanged(QModelIndex,QModelIndex))); - connect(model, SIGNAL(headerDataChanged(Qt::Orientation,int,int)), - this, SLOT(headerDataChanged(Qt::Orientation,int,int))); - - runAllTests(); -} - -void ModelTest::runAllTests() -{ - if (fetchingMore) - return; - nonDestructiveBasicTest(); - rowCount(); - columnCount(); - hasIndex(); - index(); - parent(); - data(); -} - -/*! - nonDestructiveBasicTest tries to call a number of the basic functions (not all) - to make sure the model doesn't outright segfault, testing the functions that makes sense. -*/ -void ModelTest::nonDestructiveBasicTest() -{ - QVERIFY(!model->buddy(QModelIndex()).isValid()); - model->canFetchMore(QModelIndex()); - QVERIFY(model->columnCount(QModelIndex()) >= 0); - QCOMPARE(model->data(QModelIndex()), QVariant()); - fetchingMore = true; - model->fetchMore(QModelIndex()); - fetchingMore = false; - Qt::ItemFlags flags = model->flags(QModelIndex()); - QVERIFY(flags == Qt::ItemIsDropEnabled || flags == 0); - model->hasChildren(QModelIndex()); - model->hasIndex(0, 0); - model->headerData(0, Qt::Horizontal); - model->index(0, 0); - model->itemData(QModelIndex()); - QVariant cache; - model->match(QModelIndex(), -1, cache); - model->mimeTypes(); - QVERIFY(!model->parent(QModelIndex()).isValid()); - QVERIFY(model->rowCount() >= 0); - QVariant variant; - model->setData(QModelIndex(), variant, -1); - model->setHeaderData(-1, Qt::Horizontal, QVariant()); - model->setHeaderData(999999, Qt::Horizontal, QVariant()); - QMap<int, QVariant> roles; - model->sibling(0, 0, QModelIndex()); - model->span(QModelIndex()); - model->supportedDropActions(); -} - -/*! - Tests model's implementation of QAbstractItemModel::rowCount() and hasChildren() - - Models that are dynamically populated are not as fully tested here. - */ -void ModelTest::rowCount() -{ -// qDebug() << "rc"; - // check top row - QModelIndex topIndex = model->index(0, 0, QModelIndex()); - int rows = model->rowCount(topIndex); - QVERIFY(rows >= 0); - if (rows > 0) - QVERIFY(model->hasChildren(topIndex)); - - QModelIndex secondLevelIndex = model->index(0, 0, topIndex); - if (secondLevelIndex.isValid()) { // not the top level - // check a row count where parent is valid - rows = model->rowCount(secondLevelIndex); - QVERIFY(rows >= 0); - if (rows > 0) - QVERIFY(model->hasChildren(secondLevelIndex)); - } - - // The models rowCount() is tested more extensively in checkChildren(), - // but this catches the big mistakes -} - -/*! - Tests model's implementation of QAbstractItemModel::columnCount() and hasChildren() - */ -void ModelTest::columnCount() -{ - // check top row - QModelIndex topIndex = model->index(0, 0, QModelIndex()); - QVERIFY(model->columnCount(topIndex) >= 0); - - // check a column count where parent is valid - QModelIndex childIndex = model->index(0, 0, topIndex); - if (childIndex.isValid()) - QVERIFY(model->columnCount(childIndex) >= 0); - - // columnCount() is tested more extensively in checkChildren(), - // but this catches the big mistakes -} - -/*! - Tests model's implementation of QAbstractItemModel::hasIndex() - */ -void ModelTest::hasIndex() -{ -// qDebug() << "hi"; - // Make sure that invalid values returns an invalid index - QVERIFY(!model->hasIndex(-2, -2)); - QVERIFY(!model->hasIndex(-2, 0)); - QVERIFY(!model->hasIndex(0, -2)); - - int rows = model->rowCount(); - int columns = model->columnCount(); - - // check out of bounds - QVERIFY(!model->hasIndex(rows, columns)); - QVERIFY(!model->hasIndex(rows + 1, columns + 1)); - - if (rows > 0) - QVERIFY(model->hasIndex(0, 0)); - - // hasIndex() is tested more extensively in checkChildren(), - // but this catches the big mistakes -} - -/*! - Tests model's implementation of QAbstractItemModel::index() - */ -void ModelTest::index() -{ -// qDebug() << "i"; - // Make sure that invalid values returns an invalid index - QVERIFY(!model->index(-2, -2).isValid()); - QVERIFY(!model->index(-2, 0).isValid()); - QVERIFY(!model->index(0, -2).isValid()); - - int rows = model->rowCount(); - int columns = model->columnCount(); - - if (rows == 0) - return; - - // Catch off by one errors - QVERIFY(!model->index(rows, columns).isValid()); - QVERIFY(model->index(0, 0).isValid()); - - // Make sure that the same index is *always* returned - QModelIndex a = model->index(0, 0); - QModelIndex b = model->index(0, 0); - QCOMPARE(a, b); - - // index() is tested more extensively in checkChildren(), - // but this catches the big mistakes -} - -/*! - Tests model's implementation of QAbstractItemModel::parent() - */ -void ModelTest::parent() -{ -// qDebug() << "p"; - // Make sure the model won't crash and will return an invalid QModelIndex - // when asked for the parent of an invalid index. - QVERIFY(!model->parent(QModelIndex()).isValid()); - - if (model->rowCount() == 0) - return; - - // Column 0 | Column 1 | - // QModelIndex() | | - // \- topIndex | topIndex1 | - // \- childIndex | childIndex1 | - - // Common error test #1, make sure that a top level index has a parent - // that is a invalid QModelIndex. - QModelIndex topIndex = model->index(0, 0, QModelIndex()); - QVERIFY(!model->parent(topIndex).isValid()); - - // Common error test #2, make sure that a second level index has a parent - // that is the first level index. - if (model->rowCount(topIndex) > 0) { - QModelIndex childIndex = model->index(0, 0, topIndex); - QCOMPARE(model->parent(childIndex), topIndex); - } - - // Common error test #3, the second column should NOT have the same children - // as the first column in a row. - // Usually the second column shouldn't have children. - QModelIndex topIndex1 = model->index(0, 1, QModelIndex()); - if (model->rowCount(topIndex1) > 0) { - QModelIndex childIndex = model->index(0, 0, topIndex); - QModelIndex childIndex1 = model->index(0, 0, topIndex1); - QVERIFY(childIndex != childIndex1); - } - - // Full test, walk n levels deep through the model making sure that all - // parent's children correctly specify their parent. - checkChildren(QModelIndex()); -} - -/*! - Called from the parent() test. - - A model that returns an index of parent X should also return X when asking - for the parent of the index. - - This recursive function does pretty extensive testing on the whole model in an - effort to catch edge cases. - - This function assumes that rowCount(), columnCount() and index() already work. - If they have a bug it will point it out, but the above tests should have already - found the basic bugs because it is easier to figure out the problem in - those tests then this one. - */ -void ModelTest::checkChildren(const QModelIndex &parent, int currentDepth) -{ - // First just try walking back up the tree. - QModelIndex p = parent; - while (p.isValid()) - p = p.parent(); - - // For models that are dynamically populated - if (model->canFetchMore(parent)) { - fetchingMore = true; - model->fetchMore(parent); - fetchingMore = false; - } - - int rows = model->rowCount(parent); - int columns = model->columnCount(parent); - - if (rows > 0) - QVERIFY(model->hasChildren(parent)); - - // Some further testing against rows(), columns(), and hasChildren() - QVERIFY(rows >= 0); - QVERIFY(columns >= 0); - if (rows > 0) - QVERIFY(model->hasChildren(parent)); - - //qDebug() << "parent:" << model->data(parent).toString() << "rows:" << rows - // << "columns:" << columns << "parent column:" << parent.column(); - - const QModelIndex topLeftChild = model->index(0, 0, parent); - - QVERIFY(!model->hasIndex(rows + 1, 0, parent)); - for (int r = 0; r < rows; ++r) { - if (model->canFetchMore(parent)) { - fetchingMore = true; - model->fetchMore(parent); - fetchingMore = false; - } - QVERIFY(!model->hasIndex(r, columns + 1, parent)); - for (int c = 0; c < columns; ++c) { - QVERIFY(model->hasIndex(r, c, parent)); - QModelIndex index = model->index(r, c, parent); - // rowCount() and columnCount() said that it existed... - if (!index.isValid()) - qWarning() << "Got invalid index at row=" << r << "col=" << c << "parent=" << parent; - QVERIFY(index.isValid()); - - // index() should always return the same index when called twice in a row - QModelIndex modifiedIndex = model->index(r, c, parent); - QCOMPARE(index, modifiedIndex); - - // Make sure we get the same index if we request it twice in a row - QModelIndex a = model->index(r, c, parent); - QModelIndex b = model->index(r, c, parent); - QCOMPARE(a, b); - - { - const QModelIndex sibling = model->sibling(r, c, topLeftChild); - QCOMPARE(index, sibling); - } - { - const QModelIndex sibling = topLeftChild.sibling(r, c); - QCOMPARE(index, sibling); - } - - // Some basic checking on the index that is returned - QCOMPARE(index.model(), model); - QCOMPARE(index.row(), r); - QCOMPARE(index.column(), c); - // While you can technically return a QVariant usually this is a sign - // of a bug in data(). Disable if this really is ok in your model. -// QVERIFY( model->data ( index, Qt::DisplayRole ).isValid() ); - - // If the next test fails here is some somewhat useful debug you play with. - - if (model->parent(index) != parent) { - qDebug() << r << c << currentDepth << model->data(index).toString() - << model->data(parent).toString(); - qDebug() << index << parent << model->parent(index); -// And a view that you can even use to show the model. -// QTreeView view; -// view.setModel(model); -// view.show(); - } - - // Check that we can get back our real parent. - QCOMPARE(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); - QCOMPARE(index, newerIndex); - } - } -} - -/*! - Tests model's implementation of QAbstractItemModel::data() - */ -void ModelTest::data() -{ - // Invalid index should return an invalid qvariant - QVERIFY(!model->data(QModelIndex()).isValid()); - - if (model->rowCount() == 0) - return; - - // A valid index should have a valid QVariant data - QVERIFY(model->index(0, 0).isValid()); - - // shouldn't be able to set data on an invalid index - QVERIFY(!model->setData(QModelIndex(), QLatin1String("foo"), Qt::DisplayRole)); - - // General Purpose roles that should return a QString - QVariant variant = model->data(model->index(0, 0), Qt::ToolTipRole); - if (variant.isValid()) - QVERIFY(variant.canConvert<QString>()); - variant = model->data(model->index(0, 0), Qt::StatusTipRole); - if (variant.isValid()) - QVERIFY(variant.canConvert<QString>()); - variant = model->data(model->index(0, 0), Qt::WhatsThisRole); - if (variant.isValid()) - QVERIFY(variant.canConvert<QString>()); - - // General Purpose roles that should return a QSize - variant = model->data(model->index(0, 0), Qt::SizeHintRole); - if (variant.isValid()) - QVERIFY(variant.canConvert<QSize>()); - - // General Purpose roles that should return a QFont - QVariant fontVariant = model->data(model->index(0, 0), Qt::FontRole); - if (fontVariant.isValid()) - QVERIFY(fontVariant.canConvert<QFont>()); - - // Check that the alignment is one we know about - QVariant textAlignmentVariant = model->data(model->index(0, 0), Qt::TextAlignmentRole); - if (textAlignmentVariant.isValid()) { - Qt::Alignment alignment = textAlignmentVariant.value<Qt::Alignment>(); - QCOMPARE(alignment, (alignment & (Qt::AlignHorizontal_Mask | Qt::AlignVertical_Mask))); - } - - // General Purpose roles that should return a QColor - QVariant colorVariant = model->data(model->index(0, 0), Qt::BackgroundColorRole); - if (colorVariant.isValid()) - QVERIFY(colorVariant.canConvert<QColor>()); - - colorVariant = model->data(model->index(0, 0), Qt::TextColorRole); - if (colorVariant.isValid()) - QVERIFY(colorVariant.canConvert<QColor>()); - - // 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(); - QVERIFY(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); -// qDebug() << "rowsAboutToBeInserted" << "start=" << start << "end=" << end << "parent=" << model->data ( parent ).toString() -// << "current count of parent=" << model->rowCount ( parent ); // << "display of last=" << model->data( model->index(start-1, 0, parent) ); -// qDebug() << model->index(start-1, 0, parent) << model->data( model->index(start-1, 0, parent) ); - 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(); - QCOMPARE(parent, c.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(); - - QCOMPARE(model->rowCount(parent), c.oldSize + (end - start + 1)); - QCOMPARE(model->data(model->index(start - 1, 0, c.parent)), c.last); - - 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)); - } - - QCOMPARE(model->data(model->index(end + 1, 0, c.parent)), c.next); -} - -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]; - QCOMPARE(model->index(p.row(), p.column(), p.parent()), QModelIndex(p)); - } - 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(); - QCOMPARE(parent, c.parent); - QCOMPARE(model->rowCount(parent), c.oldSize - (end - start + 1)); - QCOMPARE(model->data(model->index(start - 1, 0, c.parent)), c.last); - QCOMPARE(model->data(model->index(start, 0, c.parent)), c.next); -} - -void ModelTest::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) -{ - QVERIFY(topLeft.isValid()); - QVERIFY(bottomRight.isValid()); - QModelIndex commonParent = bottomRight.parent(); - QCOMPARE(topLeft.parent(), commonParent); - QVERIFY(topLeft.row() <= bottomRight.row()); - QVERIFY(topLeft.column() <= bottomRight.column()); - int rowCount = model->rowCount(commonParent); - int columnCount = model->columnCount(commonParent); - QVERIFY(bottomRight.row() < rowCount); - QVERIFY(bottomRight.column() < columnCount); -} - -void ModelTest::headerDataChanged(Qt::Orientation orientation, int start, int end) -{ - QVERIFY(start >= 0); - QVERIFY(end >= 0); - QVERIFY(start <= end); - int itemCount = orientation == Qt::Vertical ? model->rowCount() : model->columnCount(); - QVERIFY(start < itemCount); - QVERIFY(end < itemCount); -} |