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diff --git a/tests/auto/qabstractfileengine/tst_qabstractfileengine.cpp b/tests/auto/qabstractfileengine/tst_qabstractfileengine.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the FOO module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/QAbstractFileEngine>
+#include <QtCore/QFSFileEngine>
+
+#include <QtCore/QMutex>
+#include <QtCore/QMutexLocker>
+#include <QtCore/QSharedPointer>
+#include <QtCore/QScopedPointer>
+#include <QtCore/QHash>
+
+#include <QtTest/QTest>
+
+#include <QtCore/QDebug>
+
+class tst_QAbstractFileEngine
+ : public QObject
+{
+ Q_OBJECT
+public slots:
+ void cleanupTestCase();
+
+private slots:
+ void customHandler();
+
+ void fileIO_data();
+ void fileIO();
+
+private:
+ QStringList filesForRemoval;
+};
+
+class ReferenceFileEngine
+ : public QAbstractFileEngine
+{
+public:
+ ReferenceFileEngine(const QString &fileName)
+ : fileName_(fileName)
+ , position_(-1)
+ , openForRead_(false)
+ , openForWrite_(false)
+ {
+ }
+
+ bool open(QIODevice::OpenMode openMode)
+ {
+ Q_ASSERT(!openForRead_);
+ Q_ASSERT(!openForWrite_);
+
+ openFile_ = resolveFile(openMode & QIODevice::WriteOnly);
+ if (!openFile_)
+ return false;
+
+ position_ = 0;
+ if (openMode & QIODevice::ReadOnly)
+ openForRead_ = true;
+
+ if (openMode & QIODevice::WriteOnly) {
+ openForWrite_ = true;
+
+ QMutexLocker lock(&openFile_->mutex);
+ if (openMode & QIODevice::Truncate
+ || !(openForRead_ || openMode & QIODevice::Append))
+ openFile_->content.clear();
+
+ if (openMode & QIODevice::Append)
+ position_ = openFile_->content.size();
+ }
+
+ return true;
+ }
+
+ bool close()
+ {
+ openFile_.clear();
+
+ openForRead_ = false;
+ openForWrite_ = false;
+ position_ = -1;
+
+ return true;
+ }
+
+ qint64 size() const
+ {
+ QSharedPointer<File> file = resolveFile(false);
+ if (!file)
+ return 0;
+
+ QMutexLocker lock(&file->mutex);
+ return file->content.size();
+ }
+
+ qint64 pos() const
+ {
+ Q_ASSERT(openForRead_ || openForWrite_);
+ return position_;
+ }
+
+ bool seek(qint64 pos)
+ {
+ Q_ASSERT(openForRead_ || openForWrite_);
+
+ if (pos >= 0) {
+ position_ = pos;
+ return true;
+ }
+
+ return false;
+ }
+
+ bool flush()
+ {
+ Q_ASSERT(openForRead_ || openForWrite_);
+ return true;
+ }
+
+ bool remove()
+ {
+ QMutexLocker lock(&fileSystemMutex);
+ int count = fileSystem.remove(fileName_);
+
+ return (count == 1);
+ }
+
+ bool copy(const QString &newName)
+ {
+ QMutexLocker lock(&fileSystemMutex);
+ if (!fileSystem.contains(fileName_)
+ || fileSystem.contains(newName))
+ return false;
+
+ fileSystem.insert(newName, fileSystem.value(fileName_));
+ return true;
+ }
+
+ bool rename(const QString &newName)
+ {
+ QMutexLocker lock(&fileSystemMutex);
+ if (!fileSystem.contains(fileName_)
+ || fileSystem.contains(newName))
+ return false;
+
+ fileSystem.insert(newName, fileSystem.take(fileName_));
+ return true;
+ }
+
+ // bool link(const QString &newName)
+ // {
+ // Q_UNUSED(newName)
+ // return false;
+ // }
+
+ // bool mkdir(const QString &dirName, bool createParentDirectories) const
+ // {
+ // Q_UNUSED(dirName)
+ // Q_UNUSED(createParentDirectories)
+
+ // return false;
+ // }
+
+ // bool rmdir(const QString &dirName, bool recurseParentDirectories) const
+ // {
+ // Q_UNUSED(dirName)
+ // Q_UNUSED(recurseParentDirectories)
+
+ // 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) {
+ QMutexLocker lock(&file->mutex);
+ return (file->fileFlags & type);
+ }
+
+ return FileFlags();
+ }
+
+ // bool setPermissions(uint perms)
+ // {
+ // Q_UNUSED(perms)
+
+ // return false;
+ // }
+
+ QString fileName(FileName file) const
+ {
+ switch (file) {
+ case DefaultName:
+ 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"
+