766 lines
20 KiB
C++
766 lines
20 KiB
C++
|
/****************************************************************************
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|
**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the FOO module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
|
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** Foundation and appearing in the file LICENSE.LGPL included in the
|
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
|
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** rights. These rights are described in the Nokia Qt LGPL Exception
|
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtCore/QAbstractFileEngine>
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#include <QtCore/QFSFileEngine>
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#include <QtCore/QMutex>
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#include <QtCore/QMutexLocker>
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#include <QtCore/QSharedPointer>
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#include <QtCore/QScopedPointer>
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#include <QtCore/QHash>
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#include <QtTest/QTest>
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#include <QtCore/QDebug>
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class tst_QAbstractFileEngine
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: public QObject
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{
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Q_OBJECT
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public slots:
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void cleanupTestCase();
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private slots:
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void customHandler();
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void fileIO_data();
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void fileIO();
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private:
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QStringList filesForRemoval;
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};
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class ReferenceFileEngine
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: public QAbstractFileEngine
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{
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public:
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ReferenceFileEngine(const QString &fileName)
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: fileName_(fileName)
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, position_(-1)
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, openForRead_(false)
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, openForWrite_(false)
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{
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}
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bool open(QIODevice::OpenMode openMode)
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{
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Q_ASSERT(!openForRead_);
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Q_ASSERT(!openForWrite_);
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openFile_ = resolveFile(openMode & QIODevice::WriteOnly);
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if (!openFile_)
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return false;
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position_ = 0;
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if (openMode & QIODevice::ReadOnly)
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openForRead_ = true;
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if (openMode & QIODevice::WriteOnly) {
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openForWrite_ = true;
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QMutexLocker lock(&openFile_->mutex);
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if (openMode & QIODevice::Truncate
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|| !(openForRead_ || openMode & QIODevice::Append))
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openFile_->content.clear();
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if (openMode & QIODevice::Append)
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position_ = openFile_->content.size();
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}
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return true;
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||
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}
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||
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||
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bool close()
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||
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{
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openFile_.clear();
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openForRead_ = false;
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openForWrite_ = false;
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position_ = -1;
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||
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||
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return true;
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||
|
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}
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||
|
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|
||
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qint64 size() const
|
||
|
|
{
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||
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QSharedPointer<File> file = resolveFile(false);
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||
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if (!file)
|
||
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return 0;
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||
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||
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QMutexLocker lock(&file->mutex);
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||
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return file->content.size();
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||
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}
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||
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||
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qint64 pos() const
|
||
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{
|
||
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Q_ASSERT(openForRead_ || openForWrite_);
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||
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return position_;
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||
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}
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||
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||
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bool seek(qint64 pos)
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||
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{
|
||
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Q_ASSERT(openForRead_ || openForWrite_);
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||
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||
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if (pos >= 0) {
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||
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position_ = pos;
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||
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return true;
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||
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}
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||
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||
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return false;
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||
|
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}
|
||
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||
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bool flush()
|
||
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{
|
||
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Q_ASSERT(openForRead_ || openForWrite_);
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||
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return true;
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||
|
|
}
|
||
|
|
|
||
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bool remove()
|
||
|
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{
|
||
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QMutexLocker lock(&fileSystemMutex);
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||
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int count = fileSystem.remove(fileName_);
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||
|
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||
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return (count == 1);
|
||
|
|
}
|
||
|
|
|
||
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bool copy(const QString &newName)
|
||
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{
|
||
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QMutexLocker lock(&fileSystemMutex);
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||
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if (!fileSystem.contains(fileName_)
|
||
|
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|| fileSystem.contains(newName))
|
||
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return false;
|
||
|
|
|
||
|
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fileSystem.insert(newName, fileSystem.value(fileName_));
|
||
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return true;
|
||
|
|
}
|
||
|
|
|
||
|
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bool rename(const QString &newName)
|
||
|
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{
|
||
|
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QMutexLocker lock(&fileSystemMutex);
|
||
|
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if (!fileSystem.contains(fileName_)
|
||
|
|
|| fileSystem.contains(newName))
|
||
|
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return false;
|
||
|
|
|
||
|
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fileSystem.insert(newName, fileSystem.take(fileName_));
|
||
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return true;
|
||
|
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}
|
||
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|
||
|
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// bool link(const QString &newName)
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||
|
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// {
|
||
|
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// Q_UNUSED(newName)
|
||
|
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// return false;
|
||
|
|
// }
|
||
|
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|
||
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// bool mkdir(const QString &dirName, bool createParentDirectories) const
|
||
|
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// {
|
||
|
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// Q_UNUSED(dirName)
|
||
|
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// Q_UNUSED(createParentDirectories)
|
||
|
|
|
||
|
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// return false;
|
||
|
|
// }
|
||
|
|
|
||
|
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// bool rmdir(const QString &dirName, bool recurseParentDirectories) const
|
||
|
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// {
|
||
|
|
// Q_UNUSED(dirName)
|
||
|
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// Q_UNUSED(recurseParentDirectories)
|
||
|
|
|
||
|
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// return false;
|
||
|
|
// }
|
||
|
|
|
||
|
|
bool setSize(qint64 size)
|
||
|
|
{
|
||
|
|
if (size < 0)
|
||
|
|
return false;
|
||
|
|
|
||
|
|
QSharedPointer<File> file = resolveFile(false);
|
||
|
|
if (!file)
|
||
|
|
return false;
|
||
|
|
|
||
|
|
QMutexLocker lock(&file->mutex);
|
||
|
|
file->content.resize(size);
|
||
|
|
|
||
|
|
if (openForRead_ || openForWrite_)
|
||
|
|
if (position_ > size)
|
||
|
|
position_ = size;
|
||
|
|
|
||
|
|
return (file->content.size() == size);
|
||
|
|
}
|
||
|
|
|
||
|
|
FileFlags fileFlags(FileFlags type) const
|
||
|
|
{
|
||
|
|
QSharedPointer<File> file = resolveFile(false);
|
||
|
|
if (file) {
|
||
|
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QMutexLocker lock(&file->mutex);
|
||
|
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return (file->fileFlags & type);
|
||
|
|
}
|
||
|
|
|
||
|
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return FileFlags();
|
||
|
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}
|
||
|
|
|
||
|
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// bool setPermissions(uint perms)
|
||
|
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// {
|
||
|
|
// Q_UNUSED(perms)
|
||
|
|
|
||
|
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// return false;
|
||
|
|
// }
|
||
|
|
|
||
|
|
QString fileName(FileName file) const
|
||
|
|
{
|
||
|
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switch (file) {
|
||
|
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case DefaultName:
|
||
|
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return QLatin1String("DefaultName");
|
||
|
|
case BaseName:
|
||
|
|
return QLatin1String("BaseName");
|
||
|
|
case PathName:
|
||
|
|
return QLatin1String("PathName");
|
||
|
|
case AbsoluteName:
|
||
|
|
return QLatin1String("AbsoluteName");
|
||
|
|
case AbsolutePathName:
|
||
|
|
return QLatin1String("AbsolutePathName");
|
||
|
|
case LinkName:
|
||
|
|
return QLatin1String("LinkName");
|
||
|
|
case CanonicalName:
|
||
|
|
return QLatin1String("CanonicalName");
|
||
|
|
case CanonicalPathName:
|
||
|
|
return QLatin1String("CanonicalPathName");
|
||
|
|
case BundleName:
|
||
|
|
return QLatin1String("BundleName");
|
||
|
|
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return QString();
|
||
|
|
}
|
||
|
|
|
||
|
|
uint ownerId(FileOwner owner) const
|
||
|
|
{
|
||
|
|
QSharedPointer<File> file = resolveFile(false);
|
||
|
|
if (file) {
|
||
|
|
switch (owner) {
|
||
|
|
case OwnerUser:
|
||
|
|
{
|
||
|
|
QMutexLocker lock(&file->mutex);
|
||
|
|
return file->userId;
|
||
|
|
}
|
||
|
|
case OwnerGroup:
|
||
|
|
{
|
||
|
|
QMutexLocker lock(&file->mutex);
|
||
|
|
return file->groupId;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return -2;
|
||
|
|
}
|
||
|
|
|
||
|
|
QString owner(FileOwner owner) const
|
||
|
|
{
|
||
|
|
QSharedPointer<File> file = resolveFile(false);
|
||
|
|
if (file) {
|
||
|
|
uint ownerId;
|
||
|
|
switch (owner) {
|
||
|
|
case OwnerUser:
|
||
|
|
{
|
||
|
|
QMutexLocker lock(&file->mutex);
|
||
|
|
ownerId = file->userId;
|
||
|
|
}
|
||
|
|
|
||
|
|
{
|
||
|
|
QMutexLocker lock(&fileSystemMutex);
|
||
|
|
return fileSystemUsers.value(ownerId);
|
||
|
|
}
|
||
|
|
|
||
|
|
case OwnerGroup:
|
||
|
|
{
|
||
|
|
QMutexLocker lock(&file->mutex);
|
||
|
|
ownerId = file->groupId;
|
||
|
|
}
|
||
|
|
|
||
|
|
{
|
||
|
|
QMutexLocker lock(&fileSystemMutex);
|
||
|
|
return fileSystemGroups.value(ownerId);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return QString();
|
||
|
|
}
|
||
|
|
|
||
|
|
QDateTime fileTime(FileTime time) const
|
||
|
|
{
|
||
|
|
QSharedPointer<File> file = resolveFile(false);
|
||
|
|
if (file) {
|
||
|
|
QMutexLocker lock(&file->mutex);
|
||
|
|
switch (time) {
|
||
|
|
case CreationTime:
|
||
|
|
return file->creation;
|
||
|
|
case ModificationTime:
|
||
|
|
return file->modification;
|
||
|
|
case AccessTime:
|
||
|
|
return file->access;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return QDateTime();
|
||
|
|
}
|
||
|
|
|
||
|
|
void setFileName(const QString &file)
|
||
|
|
{
|
||
|
|
Q_ASSERT(!openForRead_);
|
||
|
|
Q_ASSERT(!openForWrite_);
|
||
|
|
|
||
|
|
fileName_ = file;
|
||
|
|
}
|
||
|
|
|
||
|
|
// typedef QAbstractFileEngineIterator Iterator;
|
||
|
|
// Iterator *beginEntryList(QDir::Filters filters, const QStringList &filterNames)
|
||
|
|
// {
|
||
|
|
// Q_UNUSED(filters)
|
||
|
|
// Q_UNUSED(filterNames)
|
||
|
|
|
||
|
|
// return 0;
|
||
|
|
// }
|
||
|
|
|
||
|
|
// Iterator *endEntryList()
|
||
|
|
// {
|
||
|
|
// return 0;
|
||
|
|
// }
|
||
|
|
|
||
|
|
qint64 read(char *data, qint64 maxLen)
|
||
|
|
{
|
||
|
|
Q_ASSERT(openForRead_);
|
||
|
|
|
||
|
|
Q_ASSERT(!openFile_.isNull());
|
||
|
|
QMutexLocker lock(&openFile_->mutex);
|
||
|
|
qint64 readSize = qMin(openFile_->content.size() - position_, maxLen);
|
||
|
|
if (readSize < 0)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
qMemCopy(data, openFile_->content.constData() + position_, readSize);
|
||
|
|
position_ += readSize;
|
||
|
|
|
||
|
|
return readSize;
|
||
|
|
}
|
||
|
|
|
||
|
|
qint64 write(const char *data, qint64 length)
|
||
|
|
{
|
||
|
|
Q_ASSERT(openForWrite_);
|
||
|
|
|
||
|
|
if (length < 0)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
Q_ASSERT(!openFile_.isNull());
|
||
|
|
QMutexLocker lock(&openFile_->mutex);
|
||
|
|
if (openFile_->content.size() == position_)
|
||
|
|
openFile_->content.append(data, length);
|
||
|
|
else {
|
||
|
|
if (position_ + length > openFile_->content.size())
|
||
|
|
openFile_->content.resize(position_ + length);
|
||
|
|
openFile_->content.replace(position_, length, data, length);
|
||
|
|
}
|
||
|
|
|
||
|
|
qint64 writeSize = qMin(length, openFile_->content.size() - position_);
|
||
|
|
position_ += writeSize;
|
||
|
|
|
||
|
|
return writeSize;
|
||
|
|
}
|
||
|
|
|
||
|
|
protected:
|
||
|
|
// void setError(QFile::FileError error, const QString &str);
|
||
|
|
|
||
|
|
struct File
|
||
|
|
{
|
||
|
|
File()
|
||
|
|
: userId(0)
|
||
|
|
, groupId(0)
|
||
|
|
, fileFlags(
|
||
|
|
ReadOwnerPerm | WriteOwnerPerm | ExeOwnerPerm
|
||
|
|
| ReadUserPerm | WriteUserPerm | ExeUserPerm
|
||
|
|
| ReadGroupPerm | WriteGroupPerm | ExeGroupPerm
|
||
|
|
| ReadOtherPerm | WriteOtherPerm | ExeOtherPerm
|
||
|
|
| FileType | ExistsFlag)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
QMutex mutex;
|
||
|
|
|
||
|
|
uint userId, groupId;
|
||
|
|
QAbstractFileEngine::FileFlags fileFlags;
|
||
|
|
QDateTime creation, modification, access;
|
||
|
|
|
||
|
|
QByteArray content;
|
||
|
|
};
|
||
|
|
|
||
|
|
QSharedPointer<File> resolveFile(bool create) const
|
||
|
|
{
|
||
|
|
if (openForRead_ || openForWrite_) {
|
||
|
|
Q_ASSERT(openFile_);
|
||
|
|
return openFile_;
|
||
|
|
}
|
||
|
|
|
||
|
|
QMutexLocker lock(&fileSystemMutex);
|
||
|
|
if (create) {
|
||
|
|
QSharedPointer<File> &p = fileSystem[fileName_];
|
||
|
|
if (p.isNull())
|
||
|
|
p = QSharedPointer<File>(new File);
|
||
|
|
return p;
|
||
|
|
}
|
||
|
|
|
||
|
|
return fileSystem.value(fileName_);
|
||
|
|
}
|
||
|
|
|
||
|
|
static QMutex fileSystemMutex;
|
||
|
|
static QHash<uint, QString> fileSystemUsers, fileSystemGroups;
|
||
|
|
static QHash<QString, QSharedPointer<File> > fileSystem;
|
||
|
|
|
||
|
|
private:
|
||
|
|
QString fileName_;
|
||
|
|
qint64 position_;
|
||
|
|
bool openForRead_;
|
||
|
|
bool openForWrite_;
|
||
|
|
|
||
|
|
mutable QSharedPointer<File> openFile_;
|
||
|
|
};
|
||
|
|
|
||
|
|
QMutex ReferenceFileEngine::fileSystemMutex;
|
||
|
|
QHash<uint, QString> ReferenceFileEngine::fileSystemUsers, ReferenceFileEngine::fileSystemGroups;
|
||
|
|
QHash<QString, QSharedPointer<ReferenceFileEngine::File> > ReferenceFileEngine::fileSystem;
|
||
|
|
|
||
|
|
class FileEngineHandler
|
||
|
|
: QAbstractFileEngineHandler
|
||
|
|
{
|
||
|
|
QAbstractFileEngine *create(const QString &fileName) const
|
||
|
|
{
|
||
|
|
if (fileName.startsWith("QFSFileEngine:"))
|
||
|
|
return new QFSFileEngine(fileName.mid(14));
|
||
|
|
if (fileName.startsWith("reference-file-engine:"))
|
||
|
|
return new ReferenceFileEngine(fileName.mid(22));
|
||
|
|
if (fileName.startsWith("resource:"))
|
||
|
|
return QAbstractFileEngine::create(QLatin1String(":/tst_qabstractfileengine/resources/") + fileName.mid(9));
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
void tst_QAbstractFileEngine::cleanupTestCase()
|
||
|
|
{
|
||
|
|
bool failed = false;
|
||
|
|
|
||
|
|
FileEngineHandler handler;
|
||
|
|
Q_FOREACH(QString file, filesForRemoval)
|
||
|
|
if (!QFile::remove(file)
|
||
|
|
|| QFile::exists(file)) {
|
||
|
|
failed = true;
|
||
|
|
qDebug() << "Couldn't remove file:" << file;
|
||
|
|
}
|
||
|
|
|
||
|
|
QVERIFY(!failed);
|
||
|
|
}
|
||
|
|
|
||
|
|
void tst_QAbstractFileEngine::customHandler()
|
||
|
|
{
|
||
|
|
QScopedPointer<QAbstractFileEngine> file;
|
||
|
|
{
|
||
|
|
file.reset(QAbstractFileEngine::create("resource:file.txt"));
|
||
|
|
|
||
|
|
QVERIFY(file);
|
||
|
|
}
|
||
|
|
|
||
|
|
{
|
||
|
|
FileEngineHandler handler;
|
||
|
|
|
||
|
|
QFile file("resource:file.txt");
|
||
|
|
QVERIFY(file.exists());
|
||
|
|
}
|
||
|
|
|
||
|
|
{
|
||
|
|
QFile file("resource:file.txt");
|
||
|
|
QVERIFY(!file.exists());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void tst_QAbstractFileEngine::fileIO_data()
|
||
|
|
{
|
||
|
|
QTest::addColumn<QString>("fileName");
|
||
|
|
QTest::addColumn<QByteArray>("readContent");
|
||
|
|
QTest::addColumn<QByteArray>("writeContent");
|
||
|
|
QTest::addColumn<bool>("fileExists");
|
||
|
|
|
||
|
|
QString resourceTxtFile(":/tst_qabstractfileengine/resources/file.txt");
|
||
|
|
QByteArray readContent("This is a simple text file.\n");
|
||
|
|
QByteArray writeContent("This contains two lines of text.\n");
|
||
|
|
|
||
|
|
QTest::newRow("resource") << resourceTxtFile << readContent << QByteArray() << true;
|
||
|
|
QTest::newRow("native") << "native-file.txt" << readContent << writeContent << false;
|
||
|
|
QTest::newRow("Forced QFSFileEngine") << "QFSFileEngine:QFSFileEngine-file.txt" << readContent << writeContent << false;
|
||
|
|
QTest::newRow("Custom FE") << "reference-file-engine:file.txt" << readContent << writeContent << false;
|
||
|
|
|
||
|
|
QTest::newRow("Forced QFSFileEngine (native)") << "QFSFileEngine:native-file.txt" << readContent << writeContent << true;
|
||
|
|
QTest::newRow("native (Forced QFSFileEngine)") << "QFSFileEngine-file.txt" << readContent << writeContent << true;
|
||
|
|
QTest::newRow("Custom FE (2)") << "reference-file-engine:file.txt" << readContent << writeContent << true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void tst_QAbstractFileEngine::fileIO()
|
||
|
|
{
|
||
|
|
QFETCH(QString, fileName);
|
||
|
|
QFETCH(QByteArray, readContent);
|
||
|
|
QFETCH(QByteArray, writeContent);
|
||
|
|
QFETCH(bool, fileExists);
|
||
|
|
|
||
|
|
FileEngineHandler handler;
|
||
|
|
|
||
|
|
|
||
|
|
{
|
||
|
|
QFile file(fileName);
|
||
|
|
QCOMPARE(file.exists(), fileExists);
|
||
|
|
|
||
|
|
if (!fileExists) {
|
||
|
|
QVERIFY(file.open(QIODevice::WriteOnly | QIODevice::Unbuffered));
|
||
|
|
filesForRemoval.append(fileName);
|
||
|
|
|
||
|
|
QCOMPARE(file.write(readContent), qint64(readContent.size()));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// File content is: readContent
|
||
|
|
//
|
||
|
|
|
||
|
|
qint64 fileSize = readContent.size();
|
||
|
|
{
|
||
|
|
// Reading
|
||
|
|
QFile file(fileName);
|
||
|
|
|
||
|
|
QVERIFY(!file.isOpen());
|
||
|
|
QVERIFY(file.open(QIODevice::ReadOnly | QIODevice::Unbuffered));
|
||
|
|
|
||
|
|
QVERIFY(file.isOpen());
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
QCOMPARE(file.pos(), qint64(0));
|
||
|
|
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
QCOMPARE(file.readAll(), readContent);
|
||
|
|
QCOMPARE(file.pos(), fileSize);
|
||
|
|
|
||
|
|
file.close();
|
||
|
|
QVERIFY(!file.isOpen());
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (writeContent.isEmpty())
|
||
|
|
return;
|
||
|
|
|
||
|
|
{
|
||
|
|
// Writing / appending
|
||
|
|
QFile file(fileName);
|
||
|
|
|
||
|
|
QVERIFY(!file.isOpen());
|
||
|
|
QVERIFY(file.open(QIODevice::WriteOnly | QIODevice::Append | QIODevice::Unbuffered));
|
||
|
|
|
||
|
|
QVERIFY(file.isOpen());
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
QCOMPARE(file.pos(), fileSize);
|
||
|
|
|
||
|
|
QCOMPARE(file.write(writeContent), qint64(writeContent.size()));
|
||
|
|
|
||
|
|
fileSize += writeContent.size();
|
||
|
|
QCOMPARE(file.pos(), fileSize);
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
|
||
|
|
file.close();
|
||
|
|
QVERIFY(!file.isOpen());
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// File content is: readContent + writeContent
|
||
|
|
//
|
||
|
|
|
||
|
|
{
|
||
|
|
// Reading and Writing
|
||
|
|
QFile file(fileName);
|
||
|
|
|
||
|
|
QVERIFY(!file.isOpen());
|
||
|
|
QVERIFY(file.open(QIODevice::ReadWrite | QIODevice::Unbuffered));
|
||
|
|
|
||
|
|
QVERIFY(file.isOpen());
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
QCOMPARE(file.pos(), qint64(0));
|
||
|
|
|
||
|
|
QCOMPARE(file.readAll(), readContent + writeContent);
|
||
|
|
QCOMPARE(file.pos(), fileSize);
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
|
||
|
|
QVERIFY(file.seek(writeContent.size()));
|
||
|
|
QCOMPARE(file.pos(), qint64(writeContent.size()));
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
|
||
|
|
QCOMPARE(file.write(readContent), qint64(readContent.size()));
|
||
|
|
QCOMPARE(file.pos(), fileSize);
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
|
||
|
|
QVERIFY(file.seek(0));
|
||
|
|
QCOMPARE(file.pos(), qint64(0));
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
|
||
|
|
QCOMPARE(file.write(writeContent), qint64(writeContent.size()));
|
||
|
|
QCOMPARE(file.pos(), qint64(writeContent.size()));
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
|
||
|
|
QVERIFY(file.seek(0));
|
||
|
|
QCOMPARE(file.read(writeContent.size()), writeContent);
|
||
|
|
QCOMPARE(file.pos(), qint64(writeContent.size()));
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
|
||
|
|
QCOMPARE(file.readAll(), readContent);
|
||
|
|
QCOMPARE(file.pos(), fileSize);
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
|
||
|
|
file.close();
|
||
|
|
QVERIFY(!file.isOpen());
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// File content is: writeContent + readContent
|
||
|
|
//
|
||
|
|
|
||
|
|
{
|
||
|
|
// Writing
|
||
|
|
QFile file(fileName);
|
||
|
|
|
||
|
|
QVERIFY(!file.isOpen());
|
||
|
|
QVERIFY(file.open(QIODevice::ReadWrite | QIODevice::Unbuffered));
|
||
|
|
|
||
|
|
QVERIFY(file.isOpen());
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
QCOMPARE(file.pos(), qint64(0));
|
||
|
|
|
||
|
|
QCOMPARE(file.write(writeContent), qint64(writeContent.size()));
|
||
|
|
QCOMPARE(file.pos(), qint64(writeContent.size()));
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
|
||
|
|
QVERIFY(file.resize(writeContent.size()));
|
||
|
|
QCOMPARE(file.size(), qint64(writeContent.size()));
|
||
|
|
|
||
|
|
file.close();
|
||
|
|
QVERIFY(!file.isOpen());
|
||
|
|
QCOMPARE(file.size(), qint64(writeContent.size()));
|
||
|
|
|
||
|
|
QVERIFY(file.resize(fileSize));
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// File content is: writeContent + <undefined>
|
||
|
|
// File size is : (readContent + writeContent).size()
|
||
|
|
//
|
||
|
|
|
||
|
|
{
|
||
|
|
// Writing / extending
|
||
|
|
QFile file(fileName);
|
||
|
|
|
||
|
|
QVERIFY(!file.isOpen());
|
||
|
|
QVERIFY(file.open(QIODevice::ReadWrite | QIODevice::Unbuffered));
|
||
|
|
|
||
|
|
QVERIFY(file.isOpen());
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
QCOMPARE(file.pos(), qint64(0));
|
||
|
|
|
||
|
|
QVERIFY(file.seek(1024));
|
||
|
|
QCOMPARE(file.pos(), qint64(1024));
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
|
||
|
|
fileSize = 1024 + writeContent.size();
|
||
|
|
QCOMPARE(file.write(writeContent), qint64(writeContent.size()));
|
||
|
|
QCOMPARE(file.pos(), fileSize);
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
|
||
|
|
QVERIFY(file.seek(1028));
|
||
|
|
QCOMPARE(file.pos(), qint64(1028));
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
|
||
|
|
fileSize = 1028 + writeContent.size();
|
||
|
|
QCOMPARE(file.write(writeContent), qint64(writeContent.size()));
|
||
|
|
QCOMPARE(file.pos(), fileSize);
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
|
||
|
|
file.close();
|
||
|
|
QVERIFY(!file.isOpen());
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// File content is: writeContent + <undefined> + writeContent
|
||
|
|
// File size is : 1024 + writeContent.size()
|
||
|
|
//
|
||
|
|
|
||
|
|
{
|
||
|
|
// Writing / truncating
|
||
|
|
QFile file(fileName);
|
||
|
|
|
||
|
|
QVERIFY(!file.isOpen());
|
||
|
|
QVERIFY(file.open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Unbuffered));
|
||
|
|
|
||
|
|
QVERIFY(file.isOpen());
|
||
|
|
QCOMPARE(file.size(), qint64(0));
|
||
|
|
QCOMPARE(file.pos(), qint64(0));
|
||
|
|
|
||
|
|
fileSize = readContent.size();
|
||
|
|
QCOMPARE(file.write(readContent), fileSize);
|
||
|
|
QCOMPARE(file.pos(), fileSize);
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
|
||
|
|
file.close();
|
||
|
|
QVERIFY(!file.isOpen());
|
||
|
|
QCOMPARE(file.size(), fileSize);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// File content is: readContent
|
||
|
|
//
|
||
|
|
}
|
||
|
|
|
||
|
|
QTEST_APPLESS_MAIN(tst_QAbstractFileEngine)
|
||
|
|
#include "tst_qabstractfileengine.moc"
|
||
|
|
|