From f6ef5477e718b14af99bd22436f66dee0b9d22cd Mon Sep 17 00:00:00 2001 From: Tannin Date: Thu, 17 Jul 2014 22:02:15 +0200 Subject: normalized eol style (all files should now have windows line endings) --- src/modeltest.cpp | 1166 ++++++++++++++++++++++++++--------------------------- 1 file changed, 583 insertions(+), 583 deletions(-) (limited to 'src/modeltest.cpp') diff --git a/src/modeltest.cpp b/src/modeltest.cpp index b2e495b6..90061261 100644 --- a/src/modeltest.cpp +++ b/src/modeltest.cpp @@ -1,583 +1,583 @@ -/**************************************************************************** -** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal -** -** This file is part of the test suite of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information -** use the contact form at http://qt.digia.com/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - - -#include - -#include "modeltest.h" - -#include - -#undef QVERIFY -#define QVERIFY Q_ASSERT -#undef QCOMPARE -#define QCOMPARE(x, y) Q_ASSERT(x == y) - -Q_DECLARE_METATYPE ( QModelIndex ) - -/*! - 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 ( const QModelIndex &, int, int ) ), - this, SLOT ( runAllTests() ) ); - connect ( model, SIGNAL ( columnsAboutToBeRemoved ( const QModelIndex &, int, int ) ), - this, SLOT ( runAllTests() ) ); - connect ( model, SIGNAL ( columnsInserted ( const QModelIndex &, int, int ) ), - this, SLOT ( runAllTests() ) ); - connect ( model, SIGNAL ( columnsRemoved ( const QModelIndex &, int, int ) ), - this, SLOT ( runAllTests() ) ); - connect ( model, SIGNAL ( dataChanged ( const QModelIndex &, const 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 ( const QModelIndex &, int, int ) ), - this, SLOT ( runAllTests() ) ); - connect ( model, SIGNAL ( rowsAboutToBeRemoved ( const QModelIndex &, int, int ) ), - this, SLOT ( runAllTests() ) ); - connect ( model, SIGNAL ( rowsInserted ( const QModelIndex &, int, int ) ), - this, SLOT ( runAllTests() ) ); - connect ( model, SIGNAL ( rowsRemoved ( const QModelIndex &, int, int ) ), - this, SLOT ( runAllTests() ) ); - - // Special checks for inserting/removing - connect ( model, SIGNAL ( layoutAboutToBeChanged() ), - this, SLOT ( layoutAboutToBeChanged() ) ); - connect ( model, SIGNAL ( layoutChanged() ), - this, SLOT ( layoutChanged() ) ); - - connect ( model, SIGNAL ( rowsAboutToBeInserted ( const QModelIndex &, int, int ) ), - this, SLOT ( rowsAboutToBeInserted ( const QModelIndex &, int, int ) ) ); - connect ( model, SIGNAL ( rowsAboutToBeRemoved ( const QModelIndex &, int, int ) ), - this, SLOT ( rowsAboutToBeRemoved ( const QModelIndex &, int, int ) ) ); - connect ( model, SIGNAL ( rowsInserted ( const QModelIndex &, int, int ) ), - this, SLOT ( rowsInserted ( const QModelIndex &, int, int ) ) ); - connect ( model, SIGNAL ( rowsRemoved ( const QModelIndex &, int, int ) ), - this, SLOT ( rowsRemoved ( const QModelIndex &, 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() ) == QModelIndex() ); - model->canFetchMore ( QModelIndex() ); - QVERIFY( model->columnCount ( QModelIndex() ) >= 0 ); - QVERIFY( 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() ) == QModelIndex() ); - QVERIFY( model->rowCount() >= 0 ); - QVariant variant; - model->setData ( QModelIndex(), variant, -1 ); - model->setHeaderData ( -1, Qt::Horizontal, QVariant() ); - model->setHeaderData ( 999999, Qt::Horizontal, QVariant() ); - QMap 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() ); - if (!model->hasChildren ( topIndex ) && model->rowCount(topIndex) > 0) { - qDebug() << "it's gonna blow: " << topIndex; - } - - 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 ) == QModelIndex() ); - QVERIFY( model->index ( -2, 0 ) == QModelIndex() ); - QVERIFY( model->index ( 0, -2 ) == QModelIndex() );*/ - 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 ) == QModelIndex() ); - 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 ); - QVERIFY( 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 wont crash and will return an invalid QModelIndex - // when asked for the parent of an invalid index. - QVERIFY( model->parent ( QModelIndex() ) == QModelIndex() ); - - 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 ) == QModelIndex() ); - - // 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 ); - QVERIFY( 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(); - - 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... - QVERIFY( index.isValid() ); - - // index() should always return the same index when called twice in a row - QModelIndex modifiedIndex = model->index ( r, c, parent ); - QVERIFY( 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 ); - QVERIFY( a == b ); - - // Some basic checking on the index that is returned - QVERIFY( 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 ); - QVERIFY( 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(QMetaType::QString) ); - } - variant = model->data ( model->index ( 0, 0 ), Qt::StatusTipRole ); - if ( variant.isValid() ) { - QVERIFY( variant.canConvert(QMetaType::QString) ); - } - variant = model->data ( model->index ( 0, 0 ), Qt::WhatsThisRole ); - if ( variant.isValid() ) { - QVERIFY( variant.canConvert(QMetaType::QString) ); - } - - // General Purpose roles that should return a QSize - variant = model->data ( model->index ( 0, 0 ), Qt::SizeHintRole ); - if ( variant.isValid() ) { - QVERIFY( variant.canConvert(QMetaType::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(QMetaType::QFont) ); - } - - // 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(); - 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(QMetaType::QColor) ); - } - - colorVariant = model->data ( model->index ( 0, 0 ), Qt::TextColorRole ); - if ( colorVariant.isValid() ) { - QVERIFY( colorVariant.canConvert(QMetaType::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 ) ); -qDebug() << start << " - " << parent << " - " << model->data ( model->index ( start, 0, parent ), Qt::UserRole ); - 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(); - QVERIFY( 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(); - - QVERIFY( c.oldSize + ( end - start + 1 ) == model->rowCount ( parent ) ); - QVERIFY( 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)); - } - -if (c.next != model->data ( model->index ( end + 1, 0, c.parent ) )) { - qDebug("break"); -} - QVERIFY( 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]; - QVERIFY( 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(); - QVERIFY( c.parent == parent ); - QVERIFY( c.oldSize - ( end - start + 1 ) == model->rowCount ( parent ) ); - QVERIFY( c.last == model->data ( model->index ( start - 1, 0, c.parent ) ) ); - QVERIFY( c.next == model->data ( model->index ( start, 0, c.parent ) ) ); -} - - +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#include + +#include "modeltest.h" + +#include + +#undef QVERIFY +#define QVERIFY Q_ASSERT +#undef QCOMPARE +#define QCOMPARE(x, y) Q_ASSERT(x == y) + +Q_DECLARE_METATYPE ( QModelIndex ) + +/*! + 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 ( const QModelIndex &, int, int ) ), + this, SLOT ( runAllTests() ) ); + connect ( model, SIGNAL ( columnsAboutToBeRemoved ( const QModelIndex &, int, int ) ), + this, SLOT ( runAllTests() ) ); + connect ( model, SIGNAL ( columnsInserted ( const QModelIndex &, int, int ) ), + this, SLOT ( runAllTests() ) ); + connect ( model, SIGNAL ( columnsRemoved ( const QModelIndex &, int, int ) ), + this, SLOT ( runAllTests() ) ); + connect ( model, SIGNAL ( dataChanged ( const QModelIndex &, const 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 ( const QModelIndex &, int, int ) ), + this, SLOT ( runAllTests() ) ); + connect ( model, SIGNAL ( rowsAboutToBeRemoved ( const QModelIndex &, int, int ) ), + this, SLOT ( runAllTests() ) ); + connect ( model, SIGNAL ( rowsInserted ( const QModelIndex &, int, int ) ), + this, SLOT ( runAllTests() ) ); + connect ( model, SIGNAL ( rowsRemoved ( const QModelIndex &, int, int ) ), + this, SLOT ( runAllTests() ) ); + + // Special checks for inserting/removing + connect ( model, SIGNAL ( layoutAboutToBeChanged() ), + this, SLOT ( layoutAboutToBeChanged() ) ); + connect ( model, SIGNAL ( layoutChanged() ), + this, SLOT ( layoutChanged() ) ); + + connect ( model, SIGNAL ( rowsAboutToBeInserted ( const QModelIndex &, int, int ) ), + this, SLOT ( rowsAboutToBeInserted ( const QModelIndex &, int, int ) ) ); + connect ( model, SIGNAL ( rowsAboutToBeRemoved ( const QModelIndex &, int, int ) ), + this, SLOT ( rowsAboutToBeRemoved ( const QModelIndex &, int, int ) ) ); + connect ( model, SIGNAL ( rowsInserted ( const QModelIndex &, int, int ) ), + this, SLOT ( rowsInserted ( const QModelIndex &, int, int ) ) ); + connect ( model, SIGNAL ( rowsRemoved ( const QModelIndex &, int, int ) ), + this, SLOT ( rowsRemoved ( const QModelIndex &, 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() ) == QModelIndex() ); + model->canFetchMore ( QModelIndex() ); + QVERIFY( model->columnCount ( QModelIndex() ) >= 0 ); + QVERIFY( 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() ) == QModelIndex() ); + QVERIFY( model->rowCount() >= 0 ); + QVariant variant; + model->setData ( QModelIndex(), variant, -1 ); + model->setHeaderData ( -1, Qt::Horizontal, QVariant() ); + model->setHeaderData ( 999999, Qt::Horizontal, QVariant() ); + QMap 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() ); + if (!model->hasChildren ( topIndex ) && model->rowCount(topIndex) > 0) { + qDebug() << "it's gonna blow: " << topIndex; + } + + 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 ) == QModelIndex() ); + QVERIFY( model->index ( -2, 0 ) == QModelIndex() ); + QVERIFY( model->index ( 0, -2 ) == QModelIndex() );*/ + 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 ) == QModelIndex() ); + 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 ); + QVERIFY( 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 wont crash and will return an invalid QModelIndex + // when asked for the parent of an invalid index. + QVERIFY( model->parent ( QModelIndex() ) == QModelIndex() ); + + 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 ) == QModelIndex() ); + + // 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 ); + QVERIFY( 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(); + + 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... + QVERIFY( index.isValid() ); + + // index() should always return the same index when called twice in a row + QModelIndex modifiedIndex = model->index ( r, c, parent ); + QVERIFY( 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 ); + QVERIFY( a == b ); + + // Some basic checking on the index that is returned + QVERIFY( 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 ); + QVERIFY( 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(QMetaType::QString) ); + } + variant = model->data ( model->index ( 0, 0 ), Qt::StatusTipRole ); + if ( variant.isValid() ) { + QVERIFY( variant.canConvert(QMetaType::QString) ); + } + variant = model->data ( model->index ( 0, 0 ), Qt::WhatsThisRole ); + if ( variant.isValid() ) { + QVERIFY( variant.canConvert(QMetaType::QString) ); + } + + // General Purpose roles that should return a QSize + variant = model->data ( model->index ( 0, 0 ), Qt::SizeHintRole ); + if ( variant.isValid() ) { + QVERIFY( variant.canConvert(QMetaType::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(QMetaType::QFont) ); + } + + // 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(); + 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(QMetaType::QColor) ); + } + + colorVariant = model->data ( model->index ( 0, 0 ), Qt::TextColorRole ); + if ( colorVariant.isValid() ) { + QVERIFY( colorVariant.canConvert(QMetaType::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 ) ); +qDebug() << start << " - " << parent << " - " << model->data ( model->index ( start, 0, parent ), Qt::UserRole ); + 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(); + QVERIFY( 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(); + + QVERIFY( c.oldSize + ( end - start + 1 ) == model->rowCount ( parent ) ); + QVERIFY( 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)); + } + +if (c.next != model->data ( model->index ( end + 1, 0, c.parent ) )) { + qDebug("break"); +} + QVERIFY( 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]; + QVERIFY( 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(); + QVERIFY( c.parent == parent ); + QVERIFY( c.oldSize - ( end - start + 1 ) == model->rowCount ( parent ) ); + QVERIFY( c.last == model->data ( model->index ( start - 1, 0, c.parent ) ) ); + QVERIFY( c.next == model->data ( model->index ( start, 0, c.parent ) ) ); +} + + -- cgit v1.3.1