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diff --git a/tests/auto/corelib/io/qsavefile/tst_qsavefile.cpp b/tests/auto/corelib/io/qsavefile/tst_qsavefile.cpp
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+++ b/tests/auto/corelib/io/qsavefile/tst_qsavefile.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2012 David Faure <faure@kde.org>
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtCore module 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 <QtTest/QtTest>
+#include <qcoreapplication.h>
+#include <qstring.h>
+#include <qtemporaryfile.h>
+#include <qfile.h>
+#include <qdir.h>
+#include <qset.h>
+
+#if defined(Q_OS_UNIX)
+# include <unistd.h> // for geteuid
+# include <sys/types.h>
+#endif
+
+#if defined(Q_OS_WIN)
+# include <windows.h>
+#endif
+
+class tst_QSaveFile : public QObject
+{
+ Q_OBJECT
+public slots:
+
+private slots:
+ void transactionalWrite();
+ void textStreamManualFlush();
+ void textStreamAutoFlush();
+ void saveTwice();
+ void transactionalWriteNoPermissionsOnDir();
+ void transactionalWriteNoPermissionsOnFile();
+ void transactionalWriteCanceled();
+ void transactionalWriteErrorRenaming();
+};
+
+void tst_QSaveFile::transactionalWrite()
+{
+ QTemporaryDir dir;
+ const QString targetFile = dir.path() + QString::fromLatin1("/outfile");
+ QFile::remove(targetFile);
+ QSaveFile file(targetFile);
+ QVERIFY(file.open(QIODevice::WriteOnly));
+ QVERIFY(file.isOpen());
+ QCOMPARE(file.fileName(), targetFile);
+ QVERIFY(!QFile::exists(targetFile));
+
+ QCOMPARE(file.write("Hello"), Q_INT64_C(5));
+ QCOMPARE(file.error(), QFile::NoError);
+ QVERIFY(!QFile::exists(targetFile));
+
+ QVERIFY(file.commit());
+ QVERIFY(QFile::exists(targetFile));
+ QCOMPARE(file.fileName(), targetFile);
+
+ QFile reader(targetFile);
+ QVERIFY(reader.open(QIODevice::ReadOnly));
+ QCOMPARE(QString::fromLatin1(reader.readAll()), QString::fromLatin1("Hello"));
+}
+
+void tst_QSaveFile::saveTwice()
+{
+ // Check that we can reuse a QSaveFile object
+ // (and test the case of an existing target file)
+ QTemporaryDir dir;
+ const QString targetFile = dir.path() + QString::fromLatin1("/outfile");
+ QSaveFile file(targetFile);
+ QVERIFY(file.open(QIODevice::WriteOnly));
+ QCOMPARE(file.write("Hello"), Q_INT64_C(5));
+ QVERIFY2(file.commit(), qPrintable(file.errorString()));
+
+ QVERIFY(file.open(QIODevice::WriteOnly));
+ QCOMPARE(file.write("World"), Q_INT64_C(5));
+ QVERIFY2(file.commit(), qPrintable(file.errorString()));
+
+ QFile reader(targetFile);
+ QVERIFY(reader.open(QIODevice::ReadOnly));
+ QCOMPARE(QString::fromLatin1(reader.readAll()), QString::fromLatin1("World"));
+}
+
+void tst_QSaveFile::textStreamManualFlush()
+{
+ QTemporaryDir dir;
+ const QString targetFile = dir.path() + QString::fromLatin1("/outfile");
+ QSaveFile file(targetFile);
+ QVERIFY(file.open(QIODevice::WriteOnly));
+
+ QTextStream ts(&file);
+ ts << "Manual flush";
+ ts.flush();
+ QCOMPARE(file.error(), QFile::NoError);
+ QVERIFY(!QFile::exists(targetFile));
+
+ QVERIFY(file.commit());
+ QFile reader(targetFile);
+ QVERIFY(reader.open(QIODevice::ReadOnly));
+ QCOMPARE(QString::fromLatin1(reader.readAll().constData()), QString::fromLatin1("Manual flush"));
+ QFile::remove(targetFile);
+}
+
+void tst_QSaveFile::textStreamAutoFlush()
+{
+ QTemporaryDir dir;
+ const QString targetFile = dir.path() + QString::fromLatin1("/outfile");
+ QSaveFile file(targetFile);
+ QVERIFY(file.open(QIODevice::WriteOnly));
+
+ QTextStream ts(&file);
+ ts << "Auto-flush.";
+ // no flush
+ QVERIFY(file.commit()); // QIODevice::close will emit aboutToClose, which will flush the stream
+ QFile reader(targetFile);
+ QVERIFY(reader.open(QIODevice::ReadOnly));
+ QCOMPARE(QString::fromLatin1(reader.readAll().constData()), QString::fromLatin1("Auto-flush."));
+ QFile::remove(targetFile);
+}
+
+void tst_QSaveFile::transactionalWriteNoPermissionsOnDir()
+{
+#ifdef Q_OS_UNIX
+ if (::geteuid() == 0)
+ QSKIP("not valid running this test as root");
+
+ // You can write into /dev/zero, but you can't create a /dev/zero.XXXXXX temp file.
+ QSaveFile file("/dev/zero");
+ if (!QDir("/dev").exists())
+ QSKIP("/dev doesn't exist on this system");
+
+ QVERIFY(!file.open(QIODevice::WriteOnly));
+ QCOMPARE((int)file.error(), (int)QFile::OpenError);
+ QVERIFY(!file.commit());
+#endif
+}
+
+void tst_QSaveFile::transactionalWriteNoPermissionsOnFile()
+{
+ // Setup an existing but readonly file
+ QTemporaryDir dir;
+ const QString targetFile = dir.path() + QString::fromLatin1("/outfile");
+ QFile file(targetFile);
+ QVERIFY(file.open(QIODevice::WriteOnly));
+ QCOMPARE(file.write("Hello"), Q_INT64_C(5));
+ file.close();
+ file.setPermissions(QFile::ReadOwner);
+ QVERIFY(!file.open(QIODevice::WriteOnly));
+
+ // Try saving into it
+ {
+ QSaveFile saveFile(targetFile);
+ QVERIFY(!saveFile.open(QIODevice::WriteOnly)); // just like QFile
+ }
+ QVERIFY(file.exists());
+}
+
+void tst_QSaveFile::transactionalWriteCanceled()
+{
+ QTemporaryDir dir;
+ const QString targetFile = dir.path() + QString::fromLatin1("/outfile");
+ QFile::remove(targetFile);
+ QSaveFile file(targetFile);
+ QVERIFY(file.open(QIODevice::WriteOnly));
+
+ QTextStream ts(&file);
+ ts << "This writing operation will soon be canceled.\n";
+ ts.flush();
+ QCOMPARE(file.error(), QFile::NoError);
+ QVERIFY(!QFile::exists(targetFile));
+
+ // We change our mind, let's abort writing
+ file.cancelWriting();
+
+ QVERIFY(!file.commit());
+
+ QVERIFY(!QFile::exists(targetFile)); // temp file was discarded
+ QCOMPARE(file.fileName(), targetFile);
+}
+
+void tst_QSaveFile::transactionalWriteErrorRenaming()
+{
+ QTemporaryDir dir;
+ const QString targetFile = dir.path() + QString::fromLatin1("/outfile");
+ QSaveFile file(targetFile);
+ QVERIFY(file.open(QIODevice::WriteOnly));
+ QCOMPARE(file.write("Hello"), qint64(5));
+ QVERIFY(!QFile::exists(targetFile));
+
+ // Restore permissions so that the QTemporaryDir cleanup can happen
+ class PermissionRestorer
+ {
+ public:
+ PermissionRestorer(const QString& path)
+ : m_path(path)
+ {}
+
+ ~PermissionRestorer()
+ {
+ QFile file(m_path);
+#ifdef Q_OS_UNIX
+ file.setPermissions(QFile::Permissions(QFile::ReadOwner | QFile::WriteOwner | QFile::ExeOwner));
+#else
+ file.setPermissions(QFile::WriteOwner);
+ file.remove();
+#endif
+ }
+
+ private:
+ QString m_path;
+ };
+
+#ifdef Q_OS_UNIX
+ // Make rename() fail for lack of permissions in the directory
+ QFile dirAsFile(dir.path()); // yay, I have to use QFile to change a dir's permissions...
+ QVERIFY(dirAsFile.setPermissions(QFile::Permissions(0))); // no permissions
+ PermissionRestorer permissionRestorer(dir.path());
+#else
+ // Windows: Make rename() fail for lack of permissions on an existing target file
+ QFile existingTargetFile(targetFile);
+ QVERIFY(existingTargetFile.open(QIODevice::WriteOnly));
+ QCOMPARE(file.write("Target"), qint64(6));
+ existingTargetFile.close();
+ QVERIFY(existingTargetFile.setPermissions(QFile::ReadOwner));
+ PermissionRestorer permissionRestorer(targetFile);
+#endif
+
+ // The saving should fail.
+ QVERIFY(!file.commit());
+#ifdef Q_OS_UNIX
+ QVERIFY(!QFile::exists(targetFile)); // renaming failed
+#endif
+ QCOMPARE(file.error(), QFile::RenameError);
+}
+
+QTEST_MAIN(tst_QSaveFile)
+#include "tst_qsavefile.moc"
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-03 02:48:22 +0000