diff -r 000000000000 -r 1918ee327afb tests/auto/qsettings/tst_qsettings.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qsettings/tst_qsettings.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,3816 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite 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 <qdebug.h>
+#include <QtTest/QtTest>
+
+#include <QtCore/QSettings>
+#include <private/qsettings_p.h>
+//#include <QtGui/QApplication>
+#include <QtCore/QCoreApplication>
+#include <QtCore/QtGlobal>
+#include <QtCore/QMetaType>
+#include <QtCore/QtDebug>
+#include <QtCore/QString>
+
+#if !defined(Q_OS_SYMBIAN)
+# include <cctype>
+#endif
+#if defined(Q_OS_WIN) && defined(Q_CC_GNU)
+// need for unlink on mingw
+#include <io.h>
+#endif
+
+#ifndef QSETTINGS_P_H_VERSION
+#define QSETTINGS_P_H_VERSION 1
+#endif
+
+//TESTED_FILES=
+
+QT_FORWARD_DECLARE_CLASS(QSettings)
+QT_FORWARD_DECLARE_CLASS(QSettings)
+
+class tst_QSettings : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_QSettings();
+
+public slots:
+    void init();
+    void cleanup();
+private slots:
+    void getSetCheck();
+    void ctor_data();
+    void ctor();
+    void beginGroup();
+    void setValue();
+    void remove();
+    void contains();
+    void sync();
+    void setFallbacksEnabled();
+    void setFallbacksEnabled_data();
+    void fromFile_data();
+    void fromFile();
+    void setIniCodec();
+    void testArrays_data();
+    void testArrays();
+    void testEscapes();
+    void testCompatFunctions();
+    void testCaseSensitivity_data();
+    void testCaseSensitivity();
+    void testErrorHandling_data();
+    void testErrorHandling();
+    void testIniParsing_data();
+    void testIniParsing();
+    void testChildKeysAndGroups_data();
+    void testChildKeysAndGroups();
+    void testUpdateRequestEvent();
+    void testThreadSafety();
+    void testNormalizedKey_data();
+    void testNormalizedKey();
+    void testEmptyData();
+    void testResourceFiles();
+    void fileName();
+    void isWritable_data();
+    void isWritable();
+    void childGroups_data();
+    void childGroups();
+    void childKeys_data();
+    void childKeys();
+    void allKeys_data();
+    void allKeys();
+    void registerFormat();
+    void setPath();
+    void setDefaultFormat();
+    void dontCreateNeedlessPaths();
+#if !defined(Q_OS_WIN) && !defined(Q_OS_SYMBIAN)
+    void dontReorderIniKeysNeedlessly();
+#endif
+
+    /*
+        These tests were developed for the Qt 3 QSettings class.
+    */
+#ifdef QT3_SUPPORT
+    void oldWriteEntryIni_data();
+    void oldWriteEntryIni();
+    void oldReadEntryIni_data();
+    void oldReadEntryIni();
+    void oldBeginGroup_data();
+    void oldBeginGroup();
+    void oldEndGroup_data();
+    void oldEndGroup();
+    void oldResetGroup_data();
+    void oldResetGroup();
+    void oldEntryList_data();
+    void oldEntryList();
+    void oldWriteEntry_QString_bool_data();
+    void oldWriteEntry_QString_bool();
+    void oldWriteEntry_QString_double_data();
+    void oldWriteEntry_QString_double();
+    void oldWriteEntry_QString_int_data();
+    void oldWriteEntry_QString_int();
+    void oldWriteEntry_QString_QString_data();
+    void oldWriteEntry_QString_QString();
+    void oldWriteEntry_QString_QStringList_data();
+    void oldWriteEntry_QString_QStringList();
+    void oldWriteEntry_QString_QStringList_QChar_data();
+    void oldWriteEntry_QString_QStringList_QChar();
+    void oldReadListEntry_QString();
+    void oldReadListEntry_QString_QChar();
+    void oldReadEntry();
+    void oldReadNumEntry();
+    void oldReadDoubleEntry();
+    void oldReadBoolEntry();
+    void oldGlobalVersusLocal();
+    void oldRemoveEntry();
+#endif
+
+    void testVariantTypes_data();
+    void testVariantTypes();
+    void rainersSyncBugOnMac_data();
+    void rainersSyncBugOnMac();
+    void recursionBug();
+#ifdef QT3_SUPPORT
+    void setPathBug();
+#endif
+
+    void testByteArray_data();
+    void testByteArray();
+
+private:
+    void oldWriteEntry_data();
+    void oldReadEntry_data();
+    void oldWriteEntryHelper(QSettings &settings);
+    void oldReadEntryHelper(QSettings &settings);
+};
+
+// Testing get/set functions
+void tst_QSettings::getSetCheck()
+{
+    QSettings obj1;
+    // bool QSettings::fallbacksEnabled()
+    // void QSettings::setFallbacksEnabled(bool)
+    obj1.setFallbacksEnabled(false);
+    QCOMPARE(false, obj1.fallbacksEnabled());
+    obj1.setFallbacksEnabled(true);
+    QCOMPARE(true, obj1.fallbacksEnabled());
+}
+
+//using namespace std;
+
+//#include <qapplication.h>
+#include <qcoreapplication.h>
+#include <qdir.h>
+#include <qregexp.h>
+#include <qthread.h>
+#include <stdlib.h>
+#ifndef Q_OS_WIN
+#include <unistd.h>
+#endif
+
+Q_DECLARE_METATYPE(QSettings::Format)
+
+#if defined(Q_OS_WINCE) || defined(Q_OS_SYMBIAN)
+static void removePath(const QString& _path)
+{
+    QString path = _path;
+    QDir dir(path);
+    if (!dir.exists())
+        return;
+    QStringList entries = dir.entryList();
+    foreach(QString name, entries) {
+        QString absolute = path + name;
+        if (QFileInfo(absolute).isDir())
+            removePath(absolute+"\\");
+        else
+            QFile::remove(absolute);
+    }
+    dir.cdUp();
+    if (path[path.size()-1] == '\\')
+        path = path.left(path.size()-1);
+    dir.rmdir(path.mid(path.lastIndexOf('\\')+1));
+}
+#endif
+
+static QString settingsPath(const char *path = "")
+{
+    // Temporary path for files that are specified explictly in the constructor.
+    QString tempPath = QDir::tempPath();
+    if (tempPath.endsWith("/"))
+	tempPath.truncate(tempPath.size() - 1);
+    return QDir::toNativeSeparators(tempPath + "/tst_QSettings/" + QLatin1String(path));
+}
+
+static bool readCustom1File(QIODevice &device, QSettings::SettingsMap &map)
+{
+    QDataStream in(&device);
+    quint32 magic;
+    in >> magic;
+    in >> map;
+    return (magic == 0x01010101 && in.status() == QDataStream::Ok);
+}
+
+static bool writeCustom1File(QIODevice &device, const QSettings::SettingsMap &map)
+{
+    QDataStream out(&device);
+    out << quint32(0x01010101);
+    out << map;
+    return out.status() == QDataStream::Ok;
+}
+
+static bool readCustom2File(QIODevice &device, QSettings::SettingsMap &map)
+{
+    QDataStream in(&device);
+    quint64 magic;
+    in >> magic;
+    in >> map;
+    return (magic == Q_UINT64_C(0x0202020202020202) && in.status() == QDataStream::Ok);
+}
+
+static bool writeCustom2File(QIODevice &device, const QSettings::SettingsMap &map)
+{
+    QDataStream out(&device);
+    out << Q_UINT64_C(0x0202020202020202);
+    out << map;
+    return out.status() == QDataStream::Ok;
+}
+
+static bool readCustom3File(QIODevice &device, QSettings::SettingsMap &map)
+{
+    QTextStream in(&device);
+    QString tag;
+    in >> tag;
+    if (tag == "OK") {
+        map.insert("retval", "OK");
+        return true;
+    } else {
+        return false;
+    }
+}
+
+static bool writeCustom3File(QIODevice &device, const QSettings::SettingsMap &map)
+{
+    QTextStream out(&device);
+    if (map.value("retval") != "OK")
+        return false;
+
+    out << "OK";
+    return true;
+}
+
+static void populateWithFormats()
+{
+    QTest::addColumn<QSettings::Format>("format");
+
+    QTest::newRow("native") << QSettings::NativeFormat;
+    QTest::newRow("ini") << QSettings::IniFormat;
+    QTest::newRow("custom1") << QSettings::CustomFormat1;
+    QTest::newRow("custom2") << QSettings::CustomFormat2;
+}
+
+tst_QSettings::tst_QSettings()
+{
+    QSettings::Format custom1 = QSettings::registerFormat("custom1", readCustom1File, writeCustom1File);
+    QSettings::Format custom2 = QSettings::registerFormat("custom2", readCustom2File, writeCustom2File
+#ifndef QT_QSETTINGS_ALWAYS_CASE_SENSITIVE_AND_FORGET_ORIGINAL_KEY_ORDER
+                                                          , Qt::CaseInsensitive
+#endif
+                                                          );
+    QVERIFY(custom1 == QSettings::CustomFormat1);
+    QVERIFY(custom2 == QSettings::CustomFormat2);
+}
+
+void tst_QSettings::init()
+{
+    QSettings::setSystemIniPath(settingsPath("__system__"));
+    QSettings::setUserIniPath(settingsPath("__user__"));
+
+#if defined(Q_OS_WIN)
+    QSettings("HKEY_CURRENT_USER\\Software\\software.org", QSettings::NativeFormat).clear();
+    QSettings("HKEY_LOCAL_MACHINE\\Software\\software.org", QSettings::NativeFormat).clear();
+    QSettings("HKEY_CURRENT_USER\\Software\\other.software.org", QSettings::NativeFormat).clear();
+    QSettings("HKEY_LOCAL_MACHINE\\Software\\other.software.org", QSettings::NativeFormat).clear();
+    QSettings("HKEY_CURRENT_USER\\Software\\foo", QSettings::NativeFormat).clear();
+    QSettings("HKEY_CURRENT_USER\\Software\\bar", QSettings::NativeFormat).clear();
+    QSettings("HKEY_CURRENT_USER\\Software\\bat", QSettings::NativeFormat).clear();
+    QSettings("HKEY_CURRENT_USER\\Software\\baz", QSettings::NativeFormat).clear();
+    QSettings("HKEY_LOCAL_MACHINE\\Software\\foo", QSettings::NativeFormat).clear();
+    QSettings("HKEY_LOCAL_MACHINE\\Software\\bar", QSettings::NativeFormat).clear();
+    QSettings("HKEY_LOCAL_MACHINE\\Software\\bat", QSettings::NativeFormat).clear();
+    QSettings("HKEY_LOCAL_MACHINE\\Software\\baz", QSettings::NativeFormat).clear();
+    if (QDir(settingsPath()).exists()) {
+#if defined(Q_OS_WINCE)
+        removePath(settingsPath());
+#else
+        if (QSysInfo::windowsVersion() & QSysInfo::WV_NT_based)
+	    system(QString("rmdir /Q /S %1").arg(settingsPath()).toLatin1());
+	else
+	    system(QString("deltree /Y %1").arg(settingsPath()).toLatin1());
+#endif
+    }
+#elif defined(Q_OS_DARWIN)
+    QSettings(QSettings::UserScope, "software.org", "KillerAPP").clear();
+    QSettings(QSettings::SystemScope, "software.org", "KillerAPP").clear();
+    QSettings(QSettings::UserScope, "other.software.org", "KillerAPP").clear();
+    QSettings(QSettings::SystemScope, "other.software.org", "KillerAPP").clear();
+    QSettings(QSettings::UserScope, "software.org").clear();
+    QSettings(QSettings::SystemScope, "software.org").clear();
+    QSettings(QSettings::UserScope, "other.software.org").clear();
+    QSettings(QSettings::SystemScope, "other.software.org").clear();
+#elif defined(Q_OS_SYMBIAN)
+    removePath(settingsPath());
+#endif
+
+#if !defined(Q_OS_WIN) && !defined(Q_OS_SYMBIAN)
+    system(QString("chmod -R u+rw %1 2> /dev/null").arg(settingsPath()).toLatin1());
+    system(QString("rm -fr %1 2> /dev/null").arg(settingsPath()).toLatin1());
+#endif
+
+    QFile::remove("foo");
+}
+
+void tst_QSettings::cleanup()
+{
+    init();
+}
+
+/*
+    Test the constructors and the assignment operator.
+*/
+
+void tst_QSettings::ctor_data()
+{
+    populateWithFormats();
+}
+
+void tst_QSettings::ctor()
+{
+    QFETCH(QSettings::Format, format);
+
+    {
+        QSettings settings1(format, QSettings::UserScope, "software.org", "KillerAPP");
+        QSettings settings2(format, QSettings::UserScope, "software.org");
+        QSettings settings3(format, QSettings::SystemScope, "software.org", "KillerAPP");
+        QSettings settings4(format, QSettings::SystemScope, "software.org");
+
+        QSettings settings5(format, QSettings::UserScope, "software.org", "KillerAPP");
+        QSettings settings6(format, QSettings::UserScope, "software.org");
+        QSettings settings7(format, QSettings::SystemScope, "software.org", "KillerAPP");
+        QSettings settings8(format, QSettings::SystemScope, "software.org");
+
+        // test QSettings::format() while we're at it
+        QVERIFY(settings1.format() == format);
+        QVERIFY(settings2.format() == format);
+        QVERIFY(settings3.format() == format);
+        QVERIFY(settings4.format() == format);
+
+        // test QSettings::scope() while we're at it
+        QVERIFY(settings1.scope() == QSettings::UserScope);
+        QVERIFY(settings2.scope() == QSettings::UserScope);
+        QVERIFY(settings3.scope() == QSettings::SystemScope);
+        QVERIFY(settings4.scope() == QSettings::SystemScope);
+
+        // test QSettings::organizationName() while we're at it
+        QVERIFY(settings1.organizationName() == "software.org");
+        QVERIFY(settings2.organizationName() == "software.org");
+        QVERIFY(settings3.organizationName() == "software.org");
+        QVERIFY(settings4.organizationName() == "software.org");
+
+        // test QSettings::applicationName() while we're at it
+        QCOMPARE(settings1.applicationName(), QString("KillerAPP"));
+        QVERIFY(settings2.applicationName().isEmpty());
+        QVERIFY(settings3.applicationName() == "KillerAPP");
+        QVERIFY(settings4.applicationName().isEmpty());
+
+        /*
+            Go forwards.
+        */
+        settings4.setValue("key 1", QString("doodah"));
+
+        QCOMPARE(settings1.value("key 1").toString(), QString("doodah"));
+        QCOMPARE(settings2.value("key 1").toString(), QString("doodah"));
+        QCOMPARE(settings3.value("key 1").toString(), QString("doodah"));
+        QCOMPARE(settings4.value("key 1").toString(), QString("doodah"));
+
+        settings3.setValue("key 1", QString("blah"));
+        QCOMPARE(settings1.value("key 1").toString(), QString("blah"));
+        QCOMPARE(settings2.value("key 1").toString(), QString("doodah"));
+        QCOMPARE(settings3.value("key 1").toString(), QString("blah"));
+        QCOMPARE(settings4.value("key 1").toString(), QString("doodah"));
+
+        settings2.setValue("key 1", QString("whoa"));
+        QCOMPARE(settings1.value("key 1").toString(), QString("whoa"));
+        QCOMPARE(settings2.value("key 1").toString(), QString("whoa"));
+        QCOMPARE(settings3.value("key 1").toString(), QString("blah"));
+        QCOMPARE(settings4.value("key 1").toString(), QString("doodah"));
+
+        settings1.setValue("key 1", QString("gurgle"));
+        QCOMPARE(settings1.value("key 1").toString(), QString("gurgle"));
+        QCOMPARE(settings2.value("key 1").toString(), QString("whoa"));
+        QCOMPARE(settings3.value("key 1").toString(), QString("blah"));
+        QCOMPARE(settings4.value("key 1").toString(), QString("doodah"));
+
+        /*
+            Test the copies.
+        */
+        QCOMPARE(settings5.value("key 1").toString(), settings1.value("key 1").toString());
+        QCOMPARE(settings6.value("key 1").toString(), settings2.value("key 1").toString());
+        QCOMPARE(settings7.value("key 1").toString(), settings3.value("key 1").toString());
+        QCOMPARE(settings8.value("key 1").toString(), settings4.value("key 1").toString());
+
+        /*
+            Go backwards.
+        */
+
+        settings2.setValue("key 1", QString("bilboh"));
+        QCOMPARE(settings1.value("key 1").toString(), QString("gurgle"));
+        QCOMPARE(settings2.value("key 1").toString(), QString("bilboh"));
+        QCOMPARE(settings3.value("key 1").toString(), QString("blah"));
+        QCOMPARE(settings4.value("key 1").toString(), QString("doodah"));
+
+        settings3.setValue("key 1", QString("catha"));
+        QCOMPARE(settings1.value("key 1").toString(), QString("gurgle"));
+        QCOMPARE(settings2.value("key 1").toString(), QString("bilboh"));
+        QCOMPARE(settings3.value("key 1").toString(), QString("catha"));
+        QCOMPARE(settings4.value("key 1").toString(), QString("doodah"));
+
+        settings4.setValue("key 1", QString("quirko"));
+        QCOMPARE(settings1.value("key 1").toString(), QString("gurgle"));
+        QCOMPARE(settings2.value("key 1").toString(), QString("bilboh"));
+        QCOMPARE(settings3.value("key 1").toString(), QString("catha"));
+        QCOMPARE(settings4.value("key 1").toString(), QString("quirko"));
+
+        /*
+            Test the copies again.
+        */
+        QCOMPARE(settings5.value("key 1").toString(), settings1.value("key 1").toString());
+        QCOMPARE(settings6.value("key 1").toString(), settings2.value("key 1").toString());
+        QCOMPARE(settings7.value("key 1").toString(), settings3.value("key 1").toString());
+        QCOMPARE(settings8.value("key 1").toString(), settings4.value("key 1").toString());
+
+        /*
+            "General" is a problem key for .ini files.
+        */
+        settings1.setValue("General", 1);
+        settings1.setValue("%General", 2);
+        settings1.setValue("alpha", 3);
+        settings1.setValue("General/alpha", 4);
+        settings1.setValue("%General/alpha", 5);
+        settings1.setValue("alpha/General", 6);
+        settings1.setValue("alpha/%General", 7);
+        settings1.setValue("General/General", 8);
+        settings1.setValue("General/%General", 9);
+        settings1.setValue("%General/General", 10);
+        settings1.setValue("%General/%General", 11);
+    }
+
+    {
+        /*
+            Test that the data was stored on disk after all instances
+            of QSettings are destroyed.
+        */
+
+        QSettings settings1(format, QSettings::UserScope, "software.org", "KillerAPP");
+        QSettings settings2(format, QSettings::UserScope, "software.org");
+        QSettings settings3(format, QSettings::SystemScope, "software.org", "KillerAPP");
+        QSettings settings4(format, QSettings::SystemScope, "software.org");
+
+        QCOMPARE(settings1.value("key 1").toString(), QString("gurgle"));
+        QCOMPARE(settings2.value("key 1").toString(), QString("bilboh"));
+        QCOMPARE(settings3.value("key 1").toString(), QString("catha"));
+        QCOMPARE(settings4.value("key 1").toString(), QString("quirko"));
+
+        /*
+            Test problem keys.
+        */
+
+        QCOMPARE(settings1.value("General").toInt(), 1);
+        QCOMPARE(settings1.value("%General").toInt(), 2);
+        QCOMPARE(settings1.value("alpha").toInt(), 3);
+        QCOMPARE(settings1.value("General/alpha").toInt(), 4);
+        QCOMPARE(settings1.value("%General/alpha").toInt(), 5);
+        QCOMPARE(settings1.value("alpha/General").toInt(), 6);
+        QCOMPARE(settings1.value("alpha/%General").toInt(), 7);
+        QCOMPARE(settings1.value("General/General").toInt(), 8);
+        QCOMPARE(settings1.value("General/%General").toInt(), 9);
+        QCOMPARE(settings1.value("%General/General").toInt(), 10);
+        QCOMPARE(settings1.value("%General/%General").toInt(), 11);
+
+        /*
+            Test that the organization and product parameters is
+            case-insensitive on Windows and Mac, case-sensitive on
+            Unix.
+        */
+        QSettings settings5(format, QSettings::UserScope, "SoftWare.ORG", "killerApp");
+        if (format == QSettings::NativeFormat) {
+#if defined(Q_OS_WIN) || defined(Q_OS_DARWIN) || defined(Q_OS_SYMBIAN)
+            QCOMPARE(settings5.value("key 1").toString(), QString("gurgle"));
+#else
+            QVERIFY(!settings5.contains("key 1"));
+#endif
+        } else {
+#if defined(Q_OS_WIN) || defined(Q_OS_DARWIN) || defined(Q_OS_SYMBIAN)
+            QCOMPARE(settings5.value("key 1").toString(), QString("gurgle"));
+#else
+            QVERIFY(!settings5.contains("key 1"));
+#endif
+        }
+    }
+
+    {
+        QSettings settings1(settingsPath("custom/custom.conf"), QSettings::IniFormat);
+        settings1.beginGroup("alpha/beta");
+        settings1.setValue("geometry", -7);
+        settings1.setValue("geometry/x", 1);
+        settings1.setValue("geometry/y", 2);
+        QSettings settings2(settingsPath("custom/custom.conf"), QSettings::IniFormat);
+        settings1.setValue("geometry/width", 3);
+        settings2.setValue("alpha/beta/geometry/height", 4);
+        settings2.setValue("alpha/gamma/splitter", 5);
+        settings1.endGroup();
+
+        // test QSettings::scope() while we're at it
+        QVERIFY(settings1.scope() == QSettings::UserScope);
+
+        // test QSettings::organizationName() while we're at it
+        QVERIFY(settings1.organizationName().isEmpty());
+
+        // test QSettings::applicationName() while we're at it
+        QVERIFY(settings1.organizationName().isEmpty());
+
+        QSettings settings3(settingsPath("custom/custom2.conf"), QSettings::IniFormat);
+        settings3.beginGroup("doodley/beta");
+        settings3.setValue("geometry", -7);
+        settings3.setValue("geometry/x", 1);
+        settings3.setValue("geometry/y", 2);
+        settings3.setValue("geometry/width", 3);
+        settings3.setValue("geometry/height", 4);
+        settings3.endGroup();
+        settings3.setValue("alpha/gamma/splitter", 5);
+
+        QCOMPARE(settings1.value("alpha/beta/geometry").toInt(), -7);
+        QCOMPARE(settings1.value("alpha/beta/geometry/x").toInt(), 1);
+        QCOMPARE(settings1.value("alpha/beta/geometry/y").toInt(), 2);
+        QCOMPARE(settings1.value("alpha/beta/geometry/width").toInt(), 3);
+        QCOMPARE(settings1.value("alpha/beta/geometry/height").toInt(), 4);
+        QCOMPARE(settings1.value("alpha/gamma/splitter").toInt(), 5);
+        QCOMPARE(settings1.allKeys().count(), 6);
+
+        QCOMPARE(settings2.value("alpha/beta/geometry").toInt(), -7);
+        QCOMPARE(settings2.value("alpha/beta/geometry/x").toInt(), 1);
+        QCOMPARE(settings2.value("alpha/beta/geometry/y").toInt(), 2);
+        QCOMPARE(settings2.value("alpha/beta/geometry/width").toInt(), 3);
+        QCOMPARE(settings2.value("alpha/beta/geometry/height").toInt(), 4);
+        QCOMPARE(settings2.value("alpha/gamma/splitter").toInt(), 5);
+        QCOMPARE(settings2.allKeys().count(), 6);
+    }
+
+    {
+        QSettings settings1(settingsPath("custom/custom.conf"), QSettings::IniFormat);
+        QCOMPARE(settings1.value("alpha/beta/geometry").toInt(), -7);
+        QCOMPARE(settings1.value("alpha/beta/geometry/x").toInt(), 1);
+        QCOMPARE(settings1.value("alpha/beta/geometry/y").toInt(), 2);
+        QCOMPARE(settings1.value("alpha/beta/geometry/width").toInt(), 3);
+        QCOMPARE(settings1.value("alpha/beta/geometry/height").toInt(), 4);
+        QCOMPARE(settings1.value("alpha/gamma/splitter").toInt(), 5);
+        QCOMPARE(settings1.allKeys().count(), 6);
+    }
+
+    {
+        // QSettings's default constructor is native by default
+        if (format == QSettings::NativeFormat) {
+            QCoreApplication::instance()->setOrganizationName("");
+            QCoreApplication::instance()->setApplicationName("");
+            QSettings settings;
+            QCOMPARE(settings.status(), QSettings::AccessError);
+            QCoreApplication::instance()->setOrganizationName("software.org");
+            QCoreApplication::instance()->setApplicationName("KillerAPP");
+            QSettings settings2;
+            QCOMPARE(settings2.status(), QSettings::NoError);
+            QSettings settings3("software.org", "KillerAPP");
+            QCOMPARE(settings2.fileName(), settings3.fileName());
+            QCoreApplication::instance()->setOrganizationName("");
+            QCoreApplication::instance()->setApplicationName("");
+        }
+
+        QSettings settings(format, QSettings::UserScope, "", "");
+        QCOMPARE(settings.status(), QSettings::AccessError);
+        QSettings settings2(format, QSettings::UserScope, "software.org", "KillerAPP");
+        QCOMPARE(settings2.status(), QSettings::NoError);
+
+        // test QSettings::format() while we're at it
+        QVERIFY(settings.format() == format);
+        QVERIFY(settings2.format() == format);
+
+        // test QSettings::scope() while we're at it
+        QVERIFY(settings.scope() == QSettings::UserScope);
+        QVERIFY(settings2.scope() == QSettings::UserScope);
+
+        // test QSettings::organizationName() while we're at it
+        QVERIFY(settings.organizationName().isEmpty());
+        QVERIFY(settings2.organizationName() == "software.org");
+
+        // test QSettings::applicationName() while we're at it
+        QVERIFY(settings.applicationName().isEmpty());
+        QVERIFY(settings2.applicationName() == "KillerAPP");
+    }
+}
+
+void tst_QSettings::testByteArray_data()
+{
+    QTest::addColumn<QByteArray>("data");
+
+    QByteArray bytes("Hello world!");
+
+    QTest::newRow("latin1") << bytes;
+#ifndef QT_NO_COMPRESS
+    QTest::newRow("compressed") << qCompress(bytes);
+#endif
+    QTest::newRow("with \\0") << bytes + '\0' + bytes;
+}
+
+void tst_QSettings::testByteArray()
+{
+    QFETCH(QByteArray, data);
+
+    // write
+    {
+        QSettings settings("Trolltech", "tst_qsettings");
+        settings.setValue("byteArray", data);
+    }
+    // read
+    {
+        QSettings settings("Trolltech", "tst_qsettings");
+        QByteArray ret = settings.value("byteArray", data).toByteArray();
+        QCOMPARE(ret, data);
+    }
+}
+
+void tst_QSettings::testErrorHandling_data()
+{
+    QTest::addColumn<int>("filePerms"); // -1 means file should not exist
+    QTest::addColumn<int>("dirPerms");
+    QTest::addColumn<int>("statusAfterCtor");
+    QTest::addColumn<bool>("shouldBeEmpty");
+    QTest::addColumn<int>("statusAfterGet");
+    QTest::addColumn<int>("statusAfterSetAndSync");
+
+    //                         file    dir     afterCtor                      empty     afterGet                      afterSetAndSync
+    QTest::newRow("0600 0700") << 0600 << 0700 << (int)QSettings::NoError     << false << (int)QSettings::NoError     << (int)QSettings::NoError;
+
+    QTest::newRow("0400 0700") << 0400 << 0700 << (int)QSettings::NoError
+        << false << (int)QSettings::NoError     << (int)QSettings::AccessError;
+    QTest::newRow("0200 0700") << 0200 << 0700 << (int)QSettings::AccessError
+        << true  << (int)QSettings::AccessError << (int)QSettings::AccessError;
+
+    QTest::newRow("  -1 0700") <<   -1 << 0700 << (int)QSettings::NoError     << true  << (int)QSettings::NoError     << (int)QSettings::NoError;
+
+    QTest::newRow("  -1 0000") <<   -1 << 0000 << (int)QSettings::NoError     << true  << (int)QSettings::NoError     << (int)QSettings::AccessError;
+    QTest::newRow("  -1 0100") <<   -1 << 0100 << (int)QSettings::NoError     << true  << (int)QSettings::NoError     << (int)QSettings::AccessError;
+    QTest::newRow("0600 0100") << 0600 << 0100 << (int)QSettings::NoError     << false << (int)QSettings::NoError     << (int)QSettings::NoError;
+    QTest::newRow("  -1 0300") <<   -1 << 0300 << (int)QSettings::NoError     << true  << (int)QSettings::NoError     << (int)QSettings::NoError;
+    QTest::newRow("0600 0300") << 0600 << 0300 << (int)QSettings::NoError     << false << (int)QSettings::NoError     << (int)QSettings::NoError;
+    QTest::newRow("  -1 0500") <<   -1 << 0500 << (int)QSettings::NoError     << true  << (int)QSettings::NoError     << (int)QSettings::AccessError;
+    QTest::newRow("0600 0500") << 0600 << 0500 << (int)QSettings::NoError     << false << (int)QSettings::NoError     << (int)QSettings::NoError;
+}
+
+void tst_QSettings::testErrorHandling()
+{
+#ifdef QT_BUILD_INTERNAL
+#ifdef Q_OS_WIN
+    QSKIP("Windows doesn't support most file modes, including read-only directories, so this test is moot.", SkipAll);
+#elif defined(Q_OS_SYMBIAN)
+    QSKIP("Symbian/Open C doesn't support execute or write only file modes, or directory permissions, so this test is mostly moot.", SkipAll);
+#elif defined(Q_OS_UNIX)
+    if (::getuid() == 0)
+        QSKIP("Running this test as root doesn't work, since file perms do not bother him", SkipAll);
+#else
+    QFETCH(int, filePerms);
+    QFETCH(int, dirPerms);
+    QFETCH(int, statusAfterCtor);
+    QFETCH(bool, shouldBeEmpty);
+    QFETCH(int, statusAfterGet);
+    QFETCH(int, statusAfterSetAndSync);
+
+    system(QString("chmod 700 %1 2>/dev/null").arg(settingsPath("someDir")).toLatin1());
+    system(QString("chmod -R u+rwx %1 2>/dev/null").arg(settingsPath("someDir")).toLatin1());
+    system(QString("rm -fr %1").arg(settingsPath("someDir")).toLatin1());
+
+    // prepare a file with some settings
+    if (filePerms != -1) {
+        QSettings settings(settingsPath("someDir/someSettings.ini"), QSettings::IniFormat);
+        QCOMPARE((int) settings.status(), (int) QSettings::NoError);
+
+        settings.beginGroup("alpha/beta");
+        settings.setValue("geometry", -7);
+        settings.setValue("geometry/x", 1);
+        settings.setValue("geometry/y", 2);
+        settings.setValue("geometry/width", 3);
+        settings.setValue("geometry/height", 4);
+        settings.endGroup();
+        settings.setValue("alpha/gamma/splitter", 5);
+    } else {
+        system(QString("mkdir -p %1").arg(settingsPath("someDir")).toLatin1());
+    }
+
+    if (filePerms != -1) {
+        system(QString("chmod %1 %2")
+                    .arg(QString::number(filePerms, 8))
+                    .arg(settingsPath("someDir/someSettings.ini"))
+                    .toLatin1());
+    }
+    system(QString("chmod %1 %2")
+                .arg(QString::number(dirPerms, 8))
+                .arg(settingsPath("someDir"))
+                .toLatin1());
+
+    // the test
+    {
+        QConfFile::clearCache();
+        QSettings settings(settingsPath("someDir/someSettings.ini"), QSettings::IniFormat);
+        QCOMPARE((int)settings.status(), statusAfterCtor);
+        if (shouldBeEmpty) {
+            QCOMPARE(settings.allKeys().count(), 0);
+        } else {
+            QVERIFY(settings.allKeys().count() > 0);
+        }
+        settings.value("alpha/beta/geometry");
+        QCOMPARE((int)settings.status(), statusAfterGet);
+        settings.setValue("alpha/beta/geometry", 100);
+        QCOMPARE((int)settings.status(), statusAfterGet);
+        QCOMPARE(settings.value("alpha/beta/geometry").toInt(), 100);
+        settings.sync();
+        QCOMPARE(settings.value("alpha/beta/geometry").toInt(), 100);
+        QCOMPARE((int)settings.status(), statusAfterSetAndSync);
+    }
+#endif // !Q_OS_WIN
+#endif
+}
+
+Q_DECLARE_METATYPE(QVariant)
+Q_DECLARE_METATYPE(QSettings::Status)
+
+void tst_QSettings::testIniParsing_data()
+{
+    QTest::addColumn<QByteArray>("inicontent");
+    QTest::addColumn<QString>("key");
+    QTest::addColumn<QVariant>("expect");
+    QTest::addColumn<QSettings::Status>("status");
+
+    // Test "forgiving" parsing of entries not terminated with newline or unterminated strings
+    QTest::newRow("good1")    << QByteArray("v=1\n")          << "v" << QVariant(1) << QSettings::NoError;
+    QTest::newRow("good2")    << QByteArray("v=1\\\n2")       << "v" << QVariant(12) << QSettings::NoError;
+    QTest::newRow("good3")    << QByteArray("v=1\\\r2")       << "v" << QVariant(12) << QSettings::NoError;
+    QTest::newRow("good4")    << QByteArray("v=1\\\n\r2")     << "v" << QVariant(12) << QSettings::NoError;
+    QTest::newRow("good5")    << QByteArray("v=1\\\r\n2")     << "v" << QVariant(12) << QSettings::NoError;
+    QTest::newRow("good6")    << QByteArray("v  \t = \t 1\\\r\n2")     << "v" << QVariant(12) << QSettings::NoError;
+    QTest::newRow("garbage1") << QByteArray("v")              << "v" << QVariant() << QSettings::FormatError;
+    QTest::newRow("nonterm1") << QByteArray("v=str")          << "v" << QVariant("str") << QSettings::NoError;
+    QTest::newRow("nonterm2") << QByteArray("v=\"str\"")      << "v" << QVariant("str") << QSettings::NoError;
+    QTest::newRow("nonterm3") << QByteArray("v=\"str")        << "v" << QVariant("str") << QSettings::NoError;
+    QTest::newRow("nonterm4") << QByteArray("v=\\")           << "v" << QVariant("") << QSettings::NoError;
+    QTest::newRow("nonterm5") << QByteArray("u=s\nv=\"str")   << "v" << QVariant("str") << QSettings::NoError;
+    QTest::newRow("nonterm6") << QByteArray("v=\"str\nw=ok")  << "v" << QVariant("str\nw=ok") << QSettings::NoError;
+    QTest::newRow("nonterm7") << QByteArray("v=")             << "v" << QVariant("") << QSettings::NoError;
+    QTest::newRow("nonterm8") << QByteArray("v=\"str\njnk")   << "v" << QVariant("str\njnk") << QSettings::NoError;
+    QTest::newRow("nonterm9") << QByteArray("v=1\\")          << "v" << QVariant(1) << QSettings::NoError;
+    QTest::newRow("nonterm10") << QByteArray("v=1\\\n")       << "v" << QVariant(1) << QSettings::NoError;
+    QTest::newRow("nonterm11") << QByteArray("v=1\\\r")       << "v" << QVariant(1) << QSettings::NoError;
+    QTest::newRow("nonterm12") << QByteArray("v=1\\\n\r")     << "v" << QVariant(1) << QSettings::NoError;
+    QTest::newRow("nonterm13") << QByteArray("v=1\\\r\n")     << "v" << QVariant(1) << QSettings::NoError;
+    QTest::newRow("nonterm14") << QByteArray("v=1\\\n\nx=2")  << "v" << QVariant(1) << QSettings::NoError;
+    QTest::newRow("nonterm15") << QByteArray("v=1\\\r\rx=2")  << "v" << QVariant(1) << QSettings::NoError;
+    QTest::newRow("nonterm16") << QByteArray("v=1\\\n\n\nx=2") << "v" << QVariant(1) << QSettings::NoError;
+    QTest::newRow("nonterm17") << QByteArray("; foo\nv=1") << "v" << QVariant(1) << QSettings::NoError;
+    QTest::newRow("nonterm18") << QByteArray("; foo\n\nv=1") << "v" << QVariant(1) << QSettings::NoError;
+    QTest::newRow("nonterm19") << QByteArray("\nv=1;foo") << "v" << QVariant(1) << QSettings::NoError;
+    QTest::newRow("nonterm20") << QByteArray("v=x ") << "v" << QVariant("x") << QSettings::NoError;
+    QTest::newRow("nonterm21") << QByteArray("v=x ;") << "v" << QVariant("x") << QSettings::NoError;
+}
+
+void tst_QSettings::testIniParsing()
+{
+#ifdef QT_BUILD_INTERNAL
+    qRegisterMetaType<QVariant>("QVariant");
+    qRegisterMetaType<QSettings::Status>("QSettings::Status");
+
+    QDir dir(settingsPath());
+    QVERIFY(dir.mkpath("someDir"));
+    QFile f(dir.path()+"/someDir/someSettings.ini");
+
+    QFETCH(QByteArray, inicontent);
+    QFETCH(QString, key);
+    QFETCH(QVariant, expect);
+    QFETCH(QSettings::Status, status);
+
+    QVERIFY(f.open(QFile::WriteOnly));
+    f.write(inicontent);
+    f.close();
+
+    QConfFile::clearCache();
+    QSettings settings(settingsPath("someDir/someSettings.ini"), QSettings::IniFormat);
+
+    if ( settings.status() == QSettings::NoError ) { // else no point proceeding
+	QVariant v = settings.value(key);
+	QVERIFY(v.canConvert(expect.type()));
+	// check some types so as to give prettier error messages
+	if ( v.type() == QVariant::String ) {
+	    QCOMPARE(v.toString(), expect.toString());
+	} else if ( v.type() == QVariant::Int ) {
+	    QCOMPARE(v.toInt(), expect.toInt());
+	} else {
+	    QCOMPARE(v, expect);
+	}
+    }
+
+    QCOMPARE(settings.status(), status);
+#endif
+}
+
+/*
+    Tests beginGroup(), endGroup(), and group().
+*/
+void tst_QSettings::beginGroup()
+{
+    QSettings settings1(QSettings::UserScope, "software.org", "KillerAPP");
+    QSettings settings2(QSettings::UserScope, "software.org", "KillerAPP");
+
+    /*
+      Let's start with some back and forthing.
+    */
+
+    settings1.beginGroup("alpha");
+    QCOMPARE(settings1.group(), QString("alpha"));
+    settings1.endGroup();
+    QCOMPARE(settings1.group(), QString());
+    settings1.beginGroup("/beta");
+    QCOMPARE(settings1.group(), QString("beta"));
+    settings1.endGroup();
+    QCOMPARE(settings1.group(), QString());
+
+    settings1.beginGroup("///gamma//");
+    QCOMPARE(settings1.group(), QString("gamma"));
+    settings1.endGroup();
+    QCOMPARE(settings1.group(), QString());
+
+    settings1.setValue("geometry", 5);
+    QCOMPARE(settings1.value("geometry").toInt(), 5);
+    QCOMPARE(settings1.value("/geometry///").toInt(), 5);
+    QCOMPARE(settings2.value("geometry").toInt(), 5);
+    QCOMPARE(settings2.value("/geometry///").toInt(), 5);
+
+    /*
+      OK, now start for real.
+    */
+
+    settings1.beginGroup("alpha");
+    QCOMPARE(settings1.group(), QString("alpha"));
+    settings1.setValue("geometry", 66);
+    QCOMPARE(settings1.value("geometry").toInt(), 66);
+    QCOMPARE(settings2.value("geometry").toInt(), 5);
+    QCOMPARE(settings2.value("alpha/geometry").toInt(), 66);
+
+    QSettings settings3(QSettings::UserScope, "software.org", "KillerAPP");
+    settings3.beginGroup("alpha");
+    QCOMPARE(settings3.value("geometry").toInt(), 66);
+
+    settings1.beginGroup("/beta///");
+    QCOMPARE(settings1.group(), QString("alpha/beta"));
+    settings1.setValue("geometry", 777);
+    QCOMPARE(settings1.value("geometry").toInt(), 777);
+    QCOMPARE(settings2.value("geometry").toInt(), 5);
+    QCOMPARE(settings2.value("alpha/geometry").toInt(), 66);
+    QCOMPARE(settings2.value("alpha/beta/geometry").toInt(), 777);
+    QCOMPARE(settings3.value("geometry").toInt(), 66);
+    QCOMPARE(settings3.value("beta/geometry").toInt(), 777);
+
+    settings3.beginGroup("gamma");
+    settings3.setValue("geometry", 8888);
+    QCOMPARE(settings3.value("geometry").toInt(), 8888);
+    QCOMPARE(settings2.value("geometry").toInt(), 5);
+    QCOMPARE(settings2.value("alpha/geometry").toInt(), 66);
+    QCOMPARE(settings2.value("alpha/beta/geometry").toInt(), 777);
+    QCOMPARE(settings2.value("alpha/gamma/geometry").toInt(), 8888);
+    QCOMPARE(settings1.value("geometry").toInt(), 777);
+
+    // endGroup() should do nothing if group() is empty
+    for (int i = 0; i < 10; ++i)
+        settings2.endGroup();
+    QCOMPARE(settings2.value("geometry").toInt(), 5);
+    QCOMPARE(settings2.value("alpha/geometry").toInt(), 66);
+    QCOMPARE(settings2.value("alpha/beta/geometry").toInt(), 777);
+    QCOMPARE(settings2.value("alpha/gamma/geometry").toInt(), 8888);
+
+    QCOMPARE(settings1.group(), QString("alpha/beta"));
+    settings1.endGroup();
+    QCOMPARE(settings1.group(), QString("alpha"));
+    settings1.endGroup();
+    QCOMPARE(settings1.group(), QString());
+    QCOMPARE(settings1.value("geometry").toInt(), 5);
+    QCOMPARE(settings1.value("alpha/geometry").toInt(), 66);
+    QCOMPARE(settings1.value("alpha/beta/geometry").toInt(), 777);
+    QCOMPARE(settings1.value("alpha/gamma/geometry").toInt(), 8888);
+
+    settings1.beginGroup("delta");
+    QCOMPARE(settings1.group(), QString("delta"));
+    settings1.beginGroup("");
+    QCOMPARE(settings1.group(), QString("delta"));
+    settings1.beginGroup("/");
+    QCOMPARE(settings1.group(), QString("delta"));
+    settings1.beginGroup("////");
+    QCOMPARE(settings1.group(), QString("delta"));
+    settings1.beginGroup("////omega///epsilon zeta eta  theta/ / /");
+    QCOMPARE(settings1.group(), QString("delta/omega/epsilon zeta eta  theta/ / "));
+    settings1.endGroup();
+    QCOMPARE(settings1.group(), QString("delta"));
+    settings1.endGroup();
+    QCOMPARE(settings1.group(), QString("delta"));
+    settings1.endGroup();
+    QCOMPARE(settings1.group(), QString("delta"));
+    settings1.endGroup();
+    QCOMPARE(settings1.group(), QString("delta"));
+    settings1.endGroup();
+    QCOMPARE(settings1.group(), QString());
+}
+
+/*
+    Tests setValue() and getXxx().
+*/
+void tst_QSettings::setValue()
+{
+    QSettings settings(QSettings::UserScope, "software.org", "KillerAPP");
+
+    settings.setValue("key 2", (int)0x7fffffff);
+    QCOMPARE(settings.value("key 2").toInt(), (int)0x7fffffff);
+    QCOMPARE(settings.value("key 2").toString(), QString::number((int)0x7fffffff));
+    settings.setValue("key 2", -1);
+    QCOMPARE(settings.value("key 2").toInt(), -1);
+    QCOMPARE(settings.value("key 2").toString(), QString("-1"));
+    settings.setValue("key 2", (int)0x80000000);
+    QCOMPARE(settings.value("key 2").toInt(), (int)0x80000000);
+    settings.setValue("key 2", (int)0);
+    QCOMPARE(settings.value("key 2", 123).toInt(), (int)0);
+    settings.setValue("key 2", (int)12345);
+    QCOMPARE(settings.value("key 2").toInt(), (int)12345);
+    QCOMPARE(settings.value("no such key", 1234).toInt(), (int)1234);
+    QCOMPARE(settings.value("no such key").toInt(), (int)0);
+
+    settings.setValue("key 2", true);
+    QCOMPARE(settings.value("key 2").toBool(), true);
+    settings.setValue("key 2", false);
+    QCOMPARE(settings.value("key 2", true).toBool(), false);
+    settings.setValue("key 2", (int)1);
+    QCOMPARE(settings.value("key 2").toBool(), true);
+    settings.setValue("key 2", (int)-1);
+    QCOMPARE(settings.value("key 2").toBool(), true);
+    settings.setValue("key 2", (int)0);
+    QCOMPARE(settings.value("key 2", true).toBool(), false);
+    settings.setValue("key 2", QString("true"));
+    QCOMPARE(settings.value("key 2").toBool(), true);
+    settings.setValue("key 2", QString("false"));
+    QCOMPARE(settings.value("key 2", true).toBool(), false);
+/*
+    settings.setValue("key 2", "true");
+    QCOMPARE(settings.value("key 2").toBool(), true);
+    settings.setValue("key 2", "false");
+    QCOMPARE(settings.value("key 2", true).toBool(), false);
+    settings.setValue("key 2", "");
+    QCOMPARE(settings.value("key 2", true).toBool(), true);
+    settings.setValue("key 2", "");
+    QCOMPARE(settings.value("key 2", false).toBool(), false);
+    settings.setValue("key 2", "0.000e-00"); // cannot convert double to a bool
+    QCOMPARE(settings.value("key 2", true).toBool(), true);
+    settings.setValue("key 2", "0.000e-00");
+    QCOMPARE(settings.value("key 2", false).toBool(), false);
+
+*/
+    settings.setValue("key 2", QStringList());
+    QCOMPARE(settings.value("key 2").toStringList(), QStringList());
+    settings.setValue("key 2", QStringList(""));
+    QCOMPARE(settings.value("key 2").toStringList(), QStringList(""));
+    settings.setValue("key 2", QStringList() << "" << "");
+    QCOMPARE(settings.value("key 2").toStringList(), QStringList() << "" << "");
+    settings.setValue("key 2", QStringList() << "" << "a" << "" << "bc" << "");
+    QCOMPARE(settings.value("key 2").toStringList(), QStringList() << "" << "a" << "" << "bc" << "");
+
+    settings.setValue("key 3", QList<QVariant>());
+    QCOMPARE(settings.value("key 3").toList(), QList<QVariant>());
+    settings.setValue("key 3", QList<QVariant>() << 1 << QString("a"));
+    QCOMPARE(settings.value("key 3").toList(), QList<QVariant>() << 1 << QString("a"));
+
+    QList<QVariant> outerList;
+    outerList << 1 << QString("b");
+    QList<QVariant> innerList = outerList;
+    outerList.append(QVariant(innerList));
+    outerList.append(QVariant(innerList));
+    outerList << 2 << QString("c");
+    innerList = outerList;
+    outerList.append(QVariant(innerList));
+    // outerList: [1, "b", [1, "b"], [1, "b"], 2, "c", [1, "b", [1, "b"], [1, "b"], 2, "c"]]
+
+    settings.setValue("key 3", outerList);
+    QCOMPARE(settings.value("key 3").toList(), outerList);
+    QCOMPARE(settings.value("key 3").toList().size(), 7);
+
+    QMap<QString, QVariant> map;
+    map.insert("1", "one");
+    map.insert("2", "two");
+    map.insert("3", outerList);
+    map.insert("5", "cinco");
+    map.insert("10", "zehn");
+    settings.setValue("key 4", map);
+    QCOMPARE(settings.value("key 4").toMap(), map);
+}
+
+void tst_QSettings::testVariantTypes_data()
+{
+    populateWithFormats();
+}
+
+void tst_QSettings::testVariantTypes()
+{
+#ifdef QT_BUILD_INTERNAL
+#define testVal(key, val, tp, rtype) \
+    { \
+        QSettings settings1(format, QSettings::UserScope, "software.org", "KillerAPP"); \
+        settings1.setValue(key, qVariantFromValue(val)); \
+    } \
+    QConfFile::clearCache(); \
+    { \
+        QSettings settings2(format, QSettings::UserScope, "software.org", "KillerAPP"); \
+        QVariant v = settings2.value(key); \
+        QVERIFY(qvariant_cast<tp >(v) == val); \
+        QVERIFY(v.type() == QVariant::rtype); \
+    }
+
+    typedef QMap<QString, QVariant> TestVariantMap;
+
+    QFETCH(QSettings::Format, format);
+
+    TestVariantMap m2;
+    m2.insert("ene", "due");
+    m2.insert("rike", "fake");
+    m2.insert("borba", "dorba");
+    testVal("key2", m2, TestVariantMap, Map);
+
+    QStringList l2;
+
+    l2 << "ene" << "due" << "@Point(1 2)" << "@fake";
+    testVal("key3", l2, QStringList, StringList);
+
+    l2.clear();
+    l2 << "ene" << "due" << "rike" << "fake";
+    testVal("key3", l2, QStringList, StringList);
+
+    QList<QVariant> l3;
+    QDate date = QDate::currentDate();
+    QTime time = QTime::currentTime();
+    l3 << QString("ene") << 10 << qVariantFromValue(QColor(1, 2, 3)) << QVariant(QRect(1, 2, 3, 4))
+        << QVariant(QSize(4, 56)) << QVariant(QPoint(4, 2)) << true << false << date << time;
+    testVal("key3", l3, QVariantList, List);
+
+    testVal("key4", QString("hello"), QString, String);
+    testVal("key5", QColor(1, 2, 3), QColor, Color);
+    testVal("key6", QRect(1, 2, 3, 4), QRect, Rect);
+    testVal("key7", QSize(4, 56), QSize, Size);
+    testVal("key8", QPoint(4, 2), QPoint, Point);
+    testVal("key10", date, QDate, Date);
+    testVal("key11", time, QTime, Time);
+    testVal("key12", QByteArray("foo bar"), QByteArray, ByteArray);
+
+    {
+        QSettings settings(format, QSettings::UserScope, "software.org", "KillerAPP");
+        QVERIFY(!settings.contains("key99"));
+        QCOMPARE(settings.value("key99"), QVariant());
+
+        settings.setValue("key99", QVariant());
+        QVERIFY(settings.contains("key99"));
+        QCOMPARE(settings.value("key99"), QVariant());
+
+        settings.setValue("key99", QVariant(1));
+        QVERIFY(settings.contains("key99"));
+        QCOMPARE(settings.value("key99"), QVariant(1));
+
+        settings.setValue("key99", QVariant());
+        QVERIFY(settings.contains("key99"));
+        QCOMPARE(settings.value("key99"), QVariant());
+
+        settings.remove("key99");
+        QVERIFY(!settings.contains("key99"));
+        QCOMPARE(settings.value("key99"), QVariant());
+    }
+
+    QList<QVariant> l4;
+    l4 << QVariant(m2) << QVariant(l2) << QVariant(l3);
+    testVal("key13", l4, QVariantList, List);
+
+    // We store key sequences as strings instead of binary variant blob, for improved
+    // readability in the resulting format.
+    if (format >= QSettings::InvalidFormat) {
+        testVal("keysequence", QKeySequence(Qt::ControlModifier + Qt::Key_F1), QKeySequence, KeySequence);
+    } else {
+        testVal("keysequence", QKeySequence(Qt::ControlModifier + Qt::Key_F1), QString, String);
+    }
+
+#undef testVal
+#endif
+}
+
+void tst_QSettings::remove()
+{
+    QSettings settings0(QSettings::UserScope, "software.org", "KillerAPP");
+    int initialNumKeys = settings0.allKeys().size();
+    QCOMPARE(settings0.value("key 1", "123").toString(), QString("123"));
+    settings0.remove("key 1");
+    QCOMPARE(settings0.value("key 1", "456").toString(), QString("456"));
+
+    settings0.setValue("key 1", "bubloo");
+    QCOMPARE(settings0.value("key 1").toString(), QString("bubloo"));
+    settings0.remove("key 2");
+    QCOMPARE(settings0.value("key 1").toString(), QString("bubloo"));
+    settings0.remove("key 1");
+    QCOMPARE(settings0.value("key 1", "789").toString(), QString("789"));
+
+    /*
+      Make sure that removing a key removes all the subkeys.
+    */
+    settings0.setValue("alpha/beta/geometry", -7);
+    settings0.setValue("alpha/beta/geometry/x", 1);
+    settings0.setValue("alpha/beta/geometry/y", 2);
+    settings0.setValue("alpha/beta/geometry/width", 3);
+    settings0.setValue("alpha/beta/geometry/height", 4);
+    settings0.setValue("alpha/gamma/splitter", 5);
+
+    settings0.remove("alpha/beta/geometry/x");
+    QCOMPARE(settings0.value("alpha/beta/geometry").toInt(), -7);
+    QCOMPARE(settings0.value("alpha/beta/geometry/x", 999).toInt(), 999);
+    QCOMPARE(settings0.value("alpha/beta/geometry/y").toInt(), 2);
+    QCOMPARE(settings0.value("alpha/beta/geometry/width").toInt(), 3);
+    QCOMPARE(settings0.value("alpha/beta/geometry/height").toInt(), 4);
+    QCOMPARE(settings0.value("alpha/gamma/splitter").toInt(), 5);
+
+    settings0.remove("alpha/beta/geometry");
+    QCOMPARE(settings0.value("alpha/beta/geometry", 777).toInt(), 777);
+    QCOMPARE(settings0.value("alpha/beta/geometry/x", 111).toInt(), 111);
+    QCOMPARE(settings0.value("alpha/beta/geometry/y", 222).toInt(), 222);
+    QCOMPARE(settings0.value("alpha/beta/geometry/width", 333).toInt(), 333);
+    QCOMPARE(settings0.value("alpha/beta/geometry/height", 444).toInt(), 444);
+    QCOMPARE(settings0.value("alpha/gamma/splitter").toInt(), 5);
+
+    settings0.setValue("alpha/beta/geometry", -7);
+    settings0.setValue("alpha/beta/geometry/x", 1);
+    settings0.setValue("alpha/beta/geometry/y", 2);
+    settings0.setValue("alpha/beta/geometry/width", 3);
+    settings0.setValue("alpha/beta/geometry/height", 4);
+    settings0.setValue("alpha/gamma/splitter", 5);
+    QCOMPARE(settings0.allKeys().size(), initialNumKeys + 6);
+
+    settings0.beginGroup("alpha/beta/geometry");
+    settings0.remove("");
+    settings0.endGroup();
+    QVERIFY(!settings0.contains("alpha/beta/geometry"));
+    QVERIFY(!settings0.contains("alpha/beta/geometry/x"));
+    QVERIFY(!settings0.contains("alpha/beta/geometry/y"));
+    QVERIFY(!settings0.contains("alpha/beta/geometry/width"));
+    QVERIFY(!settings0.contains("alpha/beta/geometry/height"));
+    QVERIFY(settings0.contains("alpha/gamma/splitter"));
+    QCOMPARE(settings0.allKeys().size(), initialNumKeys + 1);
+
+    settings0.beginGroup("alpha/beta");
+    settings0.remove("");
+    settings0.endGroup();
+    QVERIFY(!settings0.contains("alpha/beta/geometry"));
+    QVERIFY(!settings0.contains("alpha/beta/geometry/x"));
+    QVERIFY(!settings0.contains("alpha/beta/geometry/y"));
+    QVERIFY(!settings0.contains("alpha/beta/geometry/width"));
+    QVERIFY(!settings0.contains("alpha/beta/geometry/height"));
+    QVERIFY(settings0.contains("alpha/gamma/splitter"));
+    QCOMPARE(settings0.allKeys().size(), initialNumKeys + 1);
+
+    settings0.remove("");
+    QVERIFY(!settings0.contains("alpha/gamma/splitter"));
+    QCOMPARE(settings0.allKeys().size(), initialNumKeys);
+
+    /*
+      Do it again, but this time let's use setGroup().
+    */
+
+    settings0.setValue("alpha/beta/geometry", -7);
+    settings0.setValue("alpha/beta/geometry/x", 1);
+    settings0.setValue("alpha/beta/geometry/y", 2);
+    settings0.setValue("alpha/beta/geometry/width", 3);
+    settings0.setValue("alpha/beta/geometry/height", 4);
+    settings0.setValue("alpha/gamma/splitter", 5);
+
+    settings0.beginGroup("foo/bar/baz/doesn't");
+    settings0.remove("exist");
+    settings0.endGroup();
+    QCOMPARE(settings0.value("alpha/beta/geometry").toInt(), -7);
+    QCOMPARE(settings0.value("alpha/beta/geometry/x").toInt(), 1);
+    QCOMPARE(settings0.value("alpha/beta/geometry/y").toInt(), 2);
+    QCOMPARE(settings0.value("alpha/beta/geometry/width").toInt(), 3);
+    QCOMPARE(settings0.value("alpha/beta/geometry/height").toInt(), 4);
+    QCOMPARE(settings0.value("alpha/gamma/splitter").toInt(), 5);
+
+    settings0.beginGroup("alpha/beta/geometry");
+    settings0.remove("x");
+    settings0.endGroup();
+    QCOMPARE(settings0.value("alpha/beta/geometry").toInt(), -7);
+    QCOMPARE(settings0.value("alpha/beta/geometry/x", 999).toInt(), 999);
+    QCOMPARE(settings0.value("alpha/beta/geometry/y").toInt(), 2);
+    QCOMPARE(settings0.value("alpha/beta/geometry/width").toInt(), 3);
+    QCOMPARE(settings0.value("alpha/beta/geometry/height").toInt(), 4);
+    QCOMPARE(settings0.value("alpha/gamma/splitter").toInt(), 5);
+
+    settings0.remove("alpha/beta");
+    QCOMPARE(settings0.value("alpha/beta/geometry", 777).toInt(), 777);
+    QCOMPARE(settings0.value("alpha/beta/geometry/x", 111).toInt(), 111);
+    QCOMPARE(settings0.value("alpha/beta/geometry/y", 222).toInt(), 222);
+    QCOMPARE(settings0.value("alpha/beta/geometry/width", 333).toInt(), 333);
+    QCOMPARE(settings0.value("alpha/beta/geometry/height", 444).toInt(), 444);
+    QCOMPARE(settings0.value("alpha/gamma/splitter").toInt(), 5);
+
+    settings0.clear();
+    QCOMPARE(settings0.value("alpha/gamma/splitter", 888).toInt(), 888);
+
+    /*
+      OK, now let's check what happens if settings are spread across
+      multiple files (user vs. global, product-specific vs.
+      company-wide).
+    */
+
+    QSettings settings1(QSettings::UserScope, "software.org", "KillerAPP");
+    QSettings settings2(QSettings::UserScope, "software.org");
+    QSettings settings3(QSettings::SystemScope, "software.org", "KillerAPP");
+    QSettings settings4(QSettings::SystemScope, "software.org");
+
+    settings4.setValue("key 1", "doodah");
+    settings3.setValue("key 1", "blah");
+    settings2.setValue("key 1", "whoa");
+    settings1.setValue("key 1", "gurgle");
+    QCOMPARE(settings1.value("key 1").toString(), QString("gurgle"));
+    QCOMPARE(settings2.value("key 1").toString(), QString("whoa"));
+    QCOMPARE(settings3.value("key 1").toString(), QString("blah"));
+    QCOMPARE(settings4.value("key 1").toString(), QString("doodah"));
+
+    settings1.remove("key 1");
+    QCOMPARE(settings1.value("key 1").toString(), QString("whoa"));
+    QCOMPARE(settings2.value("key 1").toString(), QString("whoa"));
+    QCOMPARE(settings3.value("key 1").toString(), QString("blah"));
+    QCOMPARE(settings4.value("key 1").toString(), QString("doodah"));
+
+    settings2.remove("key 1");
+    QCOMPARE(settings1.value("key 1").toString(), QString("blah"));
+    QCOMPARE(settings2.value("key 1").toString(), QString("doodah"));
+    QCOMPARE(settings3.value("key 1").toString(), QString("blah"));
+    QCOMPARE(settings4.value("key 1").toString(), QString("doodah"));
+
+    settings3.remove("key 1");
+    QCOMPARE(settings1.value("key 1").toString(), QString("doodah"));
+    QCOMPARE(settings2.value("key 1").toString(), QString("doodah"));
+    QCOMPARE(settings3.value("key 1").toString(), QString("doodah"));
+    QCOMPARE(settings4.value("key 1").toString(), QString("doodah"));
+
+    settings4.remove("key 1");
+    QVERIFY(!settings1.contains("key 1"));
+    QVERIFY(!settings2.contains("key 1"));
+    QVERIFY(!settings3.contains("key 1"));
+    QVERIFY(!settings4.contains("key 1"));
+
+    /*
+      Get ready for the next part of the test.
+    */
+
+    settings1.clear();
+    settings2.clear();
+    settings3.clear();
+    settings4.clear();
+
+    settings1.sync();
+    settings2.sync();
+    settings3.sync();
+    settings4.sync();
+
+    /*
+      Check that recursive removes work correctly when some of the
+      keys are loaded from the file and others have been modified in
+      memory (corresponds to originalKeys vs. addedKeys in the
+      QSettingsFile code).
+    */
+
+    settings1.setValue("alpha/beta/geometry", -7);
+    settings1.setValue("alpha/beta/geometry/x", 1);
+    settings1.setValue("alpha/beta/geometry/y", 2);
+    settings1.setValue("alpha/gamma/splitter", 5);
+    settings1.sync();
+
+    settings1.setValue("alpha/beta/geometry/width", 3);
+    settings1.setValue("alpha/beta/geometry/height", 4);
+
+    settings1.remove("alpha/beta/geometry/y");
+    QVERIFY(settings1.contains("alpha/beta/geometry"));
+    QVERIFY(settings1.contains("alpha/beta/geometry/x"));
+    QVERIFY(!settings1.contains("alpha/beta/geometry/y"));
+    QVERIFY(settings1.contains("alpha/beta/geometry/width"));
+    QVERIFY(settings1.contains("alpha/beta/geometry/height"));
+    QCOMPARE(settings1.allKeys().size(), initialNumKeys + 5);
+
+    settings1.remove("alpha/beta/geometry/y");
+    QCOMPARE(settings1.allKeys().size(), initialNumKeys + 5);
+
+    settings1.remove("alpha/beta/geometry/height");
+    QVERIFY(settings1.contains("alpha/beta/geometry"));
+    QVERIFY(settings1.contains("alpha/beta/geometry/x"));
+    QVERIFY(!settings1.contains("alpha/beta/geometry/y"));
+    QVERIFY(settings1.contains("alpha/beta/geometry/width"));
+    QVERIFY(!settings1.contains("alpha/beta/geometry/height"));
+    QCOMPARE(settings1.allKeys().size(), initialNumKeys + 4);
+
+    settings1.remove("alpha/beta/geometry");
+    QVERIFY(!settings1.contains("alpha/beta/geometry"));
+    QVERIFY(!settings1.contains("alpha/beta/geometry/x"));
+    QVERIFY(!settings1.contains("alpha/beta/geometry/y"));
+    QVERIFY(!settings1.contains("alpha/beta/geometry/width"));
+    QVERIFY(!settings1.contains("alpha/beta/geometry/height"));
+    QVERIFY(settings1.contains("alpha/gamma/splitter"));
+    QCOMPARE(settings1.allKeys().size(), initialNumKeys + 1);
+
+    settings1.sync();
+    QVERIFY(!settings1.contains("alpha/beta/geometry"));
+    QVERIFY(!settings1.contains("alpha/beta/geometry/x"));
+    QVERIFY(!settings1.contains("alpha/beta/geometry/y"));
+    QVERIFY(!settings1.contains("alpha/beta/geometry/width"));
+    QVERIFY(!settings1.contains("alpha/beta/geometry/height"));
+    QVERIFY(settings1.contains("alpha/gamma/splitter"));
+    QCOMPARE(settings1.allKeys().size(), initialNumKeys + 1);
+}
+
+/*
+    Tests contains() and keys().
+*/
+void tst_QSettings::contains()
+{
+    QSettings settings1(QSettings::UserScope, "software.org", "KillerAPP");
+    int initialNumKeys = settings1.allKeys().size(); // 0 on all platforms but Mac OS X.
+    settings1.setValue("alpha/beta/geometry", -7);
+    settings1.setValue("alpha/beta/geometry/x", 1);
+    settings1.setValue("alpha/beta/geometry/y", 2);
+    settings1.setValue("alpha/beta/geometry/width", 3);
+    settings1.setValue("alpha/beta/geometry/height", 4);
+    settings1.setValue("alpha/gamma/splitter", 5);
+    settings1.setValue("alpha/gamma/splitter/ /", 5);
+
+    QVERIFY(!settings1.contains("alpha"));
+    QVERIFY(!settings1.contains("alpha/beta"));
+    QVERIFY(!settings1.contains("///alpha///beta///"));
+    QVERIFY(settings1.contains("alpha/beta/geometry"));
+    QVERIFY(settings1.contains("///alpha///beta//geometry//"));
+    QVERIFY(settings1.contains("alpha/beta/geometry/x"));
+    QVERIFY(settings1.contains("alpha/beta/geometry/y"));
+    QVERIFY(settings1.contains("alpha/beta/geometry/width"));
+    QVERIFY(settings1.contains("alpha/beta/geometry/height"));
+    QVERIFY(!settings1.contains("alpha/beta/geometry/height/foo/bar/doesn't/exist"));
+    QVERIFY(!settings1.contains("alpha/gamma"));
+    QVERIFY(settings1.contains("alpha/gamma/splitter"));
+    QVERIFY(settings1.contains("alpha/gamma/splitter/ "));
+    QVERIFY(settings1.contains("////alpha/gamma/splitter// ////"));
+
+    settings1.beginGroup("alpha");
+    QVERIFY(!settings1.contains("beta"));
+    QVERIFY(!settings1.contains("/////beta///"));
+    QVERIFY(settings1.contains("beta/geometry"));
+    QVERIFY(settings1.contains("/////beta//geometry//"));
+    QVERIFY(settings1.contains("beta/geometry/x"));
+    QVERIFY(settings1.contains("beta/geometry/y"));
+    QVERIFY(settings1.contains("beta/geometry/width"));
+    QVERIFY(settings1.contains("beta/geometry/height"));
+    QVERIFY(!settings1.contains("beta/geometry/height/foo/bar/doesn't/exist"));
+    QVERIFY(!settings1.contains("gamma"));
+    QVERIFY(settings1.contains("gamma/splitter"));
+    QVERIFY(settings1.contains("gamma/splitter/ "));
+    QVERIFY(settings1.contains("////gamma/splitter// ////"));
+
+    settings1.beginGroup("beta/geometry");
+    QVERIFY(settings1.contains("x"));
+    QVERIFY(settings1.contains("y"));
+    QVERIFY(settings1.contains("width"));
+    QVERIFY(settings1.contains("height"));
+    QVERIFY(!settings1.contains("height/foo/bar/doesn't/exist"));
+
+    QStringList keys = settings1.allKeys();
+    QStringList expectedResult = QStringList() << "x" << "y" << "width" << "height";
+    keys.sort();
+    expectedResult.sort();
+    int i;
+    QCOMPARE(keys, expectedResult);
+    for (i = 0; i < keys.size(); ++i) {
+        QVERIFY(settings1.contains(keys.at(i)));
+    }
+
+    settings1.endGroup();
+    QVERIFY(settings1.group() == "alpha");
+    keys = settings1.allKeys();
+    QCOMPARE(keys.size(), expectedResult.size() + 3);
+    for (i = 0; i < keys.size(); ++i) {
+        QVERIFY(settings1.contains(keys.at(i)));
+    }
+
+    settings1.endGroup();
+    QVERIFY(settings1.group().isEmpty());
+    keys = settings1.allKeys();
+
+    QCOMPARE(keys.size(), initialNumKeys + 7);
+    for (i = 0; i < keys.size(); ++i) {
+        QVERIFY(settings1.contains(keys.at(i)));
+    }
+}
+
+void tst_QSettings::sync()
+{
+    /*
+        What we're trying to test here is the case where two
+        instances of the same application access the same preference
+        files. We want to make sure that the results are 'merged',
+        rather than having the last application overwrite settings
+        set by the first application (like in Qt 3).
+
+        This is only applicable to the INI format. The Windows
+        registry and Mac's CFPreferences API should take care of this
+        by themselves.
+    */
+
+    QSettings settings1(QSettings::IniFormat, QSettings::UserScope, "software.org");
+    settings1.setValue("alpha/beta/geometry", -7);
+    settings1.setValue("alpha/beta/geometry/x", 1);
+    settings1.setValue("alpha/beta/geometry/y", 2);
+    settings1.setValue("alpha/beta/geometry/width", 3);
+    settings1.setValue("alpha/beta/geometry/height", 4);
+    settings1.setValue("alpha/gamma/splitter", 5);
+    settings1.sync(); // and it all goes into the file
+
+    QSettings settings2(QSettings::IniFormat, QSettings::UserScope, "other.software.org");
+    settings2.setValue("alpha/beta/geometry/x", 8);
+    settings2.sync();
+
+    settings2.setValue("moo/beta/geometry", -7);
+    settings2.setValue("moo/beta/geometry/x", 1);
+    settings2.setValue("moo/beta/geometry/y", 2);
+    settings2.setValue("moo/beta/geometry/width", 3);
+    settings2.setValue("moo/beta/geometry/height", 4);
+    settings2.setValue("moo/gamma/splitter", 5);
+    settings2.setValue("alpha/gamma/splitter", 15);
+    settings2.remove("alpha/beta/geometry/x");
+    settings2.remove("alpha/beta/geometry/y"); // should do nothing
+
+    // Now "some other app" will change other.software.org.ini
+    QString userConfDir = settingsPath("__user__") + QDir::separator();
+#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
+    unlink((userConfDir + "other.software.org.ini").toLatin1());
+    rename((userConfDir + "software.org.ini").toLatin1(),
+           (userConfDir + "other.software.org.ini").toLatin1());
+#else
+    QFile::remove(userConfDir + "other.software.org.ini");
+    QFile::rename(userConfDir + "software.org.ini" , userConfDir + "other.software.org.ini");
+#endif
+
+    settings2.sync();
+
+    // And voila, we should be merged
+
+    QCOMPARE(settings2.value("alpha/beta/geometry").toInt(), -7);
+    QVERIFY(!settings2.contains("alpha/beta/geometry/x")); // <----- removed by settings2
+    QCOMPARE(settings2.value("alpha/beta/geometry/y").toInt(), 2);
+    QCOMPARE(settings2.value("alpha/beta/geometry/width").toInt(), 3);
+    QCOMPARE(settings2.value("alpha/beta/geometry/height").toInt(), 4);
+    QCOMPARE(settings2.value("alpha/gamma/splitter").toInt(), 15); // <---- set by settings2
+    QCOMPARE(settings2.value("moo/beta/geometry").toInt(), -7);
+    QCOMPARE(settings2.value("moo/beta/geometry/x").toInt(), 1);
+    QCOMPARE(settings2.value("moo/beta/geometry/y").toInt(), 2);
+    QCOMPARE(settings2.value("moo/beta/geometry/width").toInt(), 3);
+    QCOMPARE(settings2.value("moo/beta/geometry/height").toInt(), 4);
+    QCOMPARE(settings2.value("moo/gamma/splitter").toInt(), 5);
+    QCOMPARE(settings2.allKeys().count(), 11);
+
+    // Now, software.org.ini no longer exists, this is same as another app
+    // clearing all settings.
+    settings1.sync();
+    QCOMPARE(settings1.allKeys().count(), 0);
+
+/*
+    // Now "some other app" will change software.org.conf
+    unlink((userConfDir + "software.org.ini").toLatin1());
+    rename((userConfDir + "other.software.org.ini").toLatin1(),
+            (userConfDir + "software.org.ini").toLatin1());
+
+    settings1.sync();
+    QCOMPARE(settings1.value("alpha/beta/geometry").toInt(), -7);
+    QCOMPARE(settings1.value("alpha/beta/geometry/y").toInt(), 2);
+    QCOMPARE(settings1.value("alpha/beta/geometry/width").toInt(), 3);
+    QCOMPARE(settings1.value("alpha/beta/geometry/height").toInt(), 4);
+    QCOMPARE(settings1.value("alpha/gamma/splitter").toInt(), 15);
+    QCOMPARE(settings1.value("moo/beta/geometry").toInt(), -7);
+    QCOMPARE(settings1.value("moo/beta/geometry/x").toInt(), 1);
+    QCOMPARE(settings1.value("moo/beta/geometry/y").toInt(), 2);
+    QCOMPARE(settings1.value("moo/beta/geometry/width").toInt(), 3);
+    QCOMPARE(settings1.value("moo/beta/geometry/height").toInt(), 4);
+    QCOMPARE(settings1.value("moo/gamma/splitter").toInt(), 5);
+    QCOMPARE(settings1.allKeys().count(), 11);
+*/
+}
+
+void tst_QSettings::setFallbacksEnabled_data()
+{
+    populateWithFormats();
+}
+
+void tst_QSettings::setFallbacksEnabled()
+{
+    QFETCH(QSettings::Format, format);
+
+    QSettings settings1(format, QSettings::UserScope, "software.org", "KillerAPP");
+    QSettings settings2(format, QSettings::UserScope, "software.org");
+    QSettings settings3(format, QSettings::SystemScope, "software.org", "KillerAPP");
+    QSettings settings4(format, QSettings::SystemScope, "software.org");
+
+    settings1.setValue("key 1", "alpha");
+    settings2.setValue("key 1", "beta");
+    settings3.setValue("key 1", "gamma");
+    settings4.setValue("key 1", "delta");
+
+    settings1.setValue("key 2", "alpha");
+    settings2.setValue("key 2", "beta");
+    settings3.setValue("key 2", "gamma");
+
+    settings1.setValue("key 3", "alpha");
+    settings3.setValue("key 3", "gamma");
+    settings4.setValue("key 3", "delta");
+
+    settings1.setValue("key 4", "alpha");
+    settings2.setValue("key 4", "beta");
+    settings4.setValue("key 4", "delta");
+
+    settings2.setValue("key 5", "beta");
+    settings3.setValue("key 5", "gamma");
+    settings4.setValue("key 5", "delta");
+
+    QVERIFY(settings1.fallbacksEnabled());
+    QVERIFY(settings2.fallbacksEnabled());
+    QVERIFY(settings3.fallbacksEnabled());
+    QVERIFY(settings4.fallbacksEnabled());
+
+    settings1.setFallbacksEnabled(false);
+    settings2.setFallbacksEnabled(false);
+    settings3.setFallbacksEnabled(false);
+    settings4.setFallbacksEnabled(false);
+
+    QVERIFY(!settings1.fallbacksEnabled());
+    QVERIFY(!settings2.fallbacksEnabled());
+    QVERIFY(!settings3.fallbacksEnabled());
+    QVERIFY(!settings4.fallbacksEnabled());
+
+    /*
+        Make sure that the QSettings objects can still access their
+        main associated file when fallbacks are turned off.
+    */
+
+    QCOMPARE(settings1.value("key 1").toString(), QString("alpha"));
+    QCOMPARE(settings2.value("key 1").toString(), QString("beta"));
+    QCOMPARE(settings3.value("key 1").toString(), QString("gamma"));
+    QCOMPARE(settings4.value("key 1").toString(), QString("delta"));
+
+    QCOMPARE(settings1.value("key 2").toString(), QString("alpha"));
+    QCOMPARE(settings2.value("key 2").toString(), QString("beta"));
+    QCOMPARE(settings3.value("key 2").toString(), QString("gamma"));
+    QVERIFY(!settings4.contains("key 2"));
+
+    QCOMPARE(settings1.value("key 3").toString(), QString("alpha"));
+    QCOMPARE(settings3.value("key 3").toString(), QString("gamma"));
+    QCOMPARE(settings4.value("key 3").toString(), QString("delta"));
+    QVERIFY(!settings2.contains("key 3"));
+
+    QCOMPARE(settings1.value("key 4").toString(), QString("alpha"));
+    QCOMPARE(settings2.value("key 4").toString(), QString("beta"));
+    QCOMPARE(settings4.value("key 4").toString(), QString("delta"));
+    QVERIFY(!settings3.contains("key 4"));
+
+    QCOMPARE(settings2.value("key 5").toString(), QString("beta"));
+    QCOMPARE(settings3.value("key 5").toString(), QString("gamma"));
+    QCOMPARE(settings4.value("key 5").toString(), QString("delta"));
+    QVERIFY(!settings1.contains("key 5"));
+
+    QCOMPARE(settings1.value("key 1").toString(), QString("alpha"));
+    QCOMPARE(settings1.value("key 5").toString(), QString(""));
+    QVERIFY(settings1.contains("key 1"));
+    QVERIFY(!settings1.contains("key 5"));
+}
+
+void tst_QSettings::testChildKeysAndGroups_data()
+{
+    populateWithFormats();
+}
+
+void tst_QSettings::testChildKeysAndGroups()
+{
+    QFETCH(QSettings::Format, format);
+
+    QSettings settings1(format, QSettings::UserScope, "software.org");
+    settings1.setFallbacksEnabled(false);
+    settings1.setValue("alpha/beta/geometry", -7);
+    settings1.setValue("alpha/beta/geometry/x", 1);
+    settings1.setValue("alpha/beta/geometry/y", 2);
+    settings1.setValue("alpha/beta/geometry/width", 3);
+    settings1.setValue("alpha/beta/geometry/height", 4);
+    settings1.setValue("alpha/gamma/splitter", 5);
+
+    QCOMPARE(settings1.childKeys(), QStringList());
+    QCOMPARE(settings1.childGroups(), QStringList() << "alpha");
+
+    settings1.beginGroup("/alpha");
+    QCOMPARE(settings1.childKeys(), QStringList());
+    QCOMPARE(settings1.childGroups(), QStringList() << "beta" << "gamma");
+
+    settings1.beginGroup("/beta");
+    QCOMPARE(settings1.childKeys(), QStringList() << "geometry");
+    QCOMPARE(settings1.childGroups(), QStringList() << "geometry");
+
+    settings1.beginGroup("/geometry");
+    QCOMPARE(settings1.childKeys(), QStringList()  << "height" << "width" << "x" << "y");
+    QCOMPARE(settings1.childGroups(), QStringList());
+
+    settings1.beginGroup("/width");
+    QCOMPARE(settings1.childKeys(), QStringList());
+    QCOMPARE(settings1.childGroups(), QStringList());
+
+    settings1.endGroup();
+    settings1.endGroup();
+    settings1.endGroup();
+    settings1.endGroup();
+
+    { // task 53792
+        QSettings settings2("other.software.org");
+        settings2.setValue("viewbar/foo/test1", "1");
+        settings2.setValue("viewbar/foo/test2", "2");
+        settings2.setValue("viewbar/foo/test3", "3");
+        settings2.setValue("viewbar/foo/test4", "4");
+        settings2.setValue("viewbar/foo/test5", "5");
+        settings2.setValue("viewbar/bar/test1", "1");
+        settings2.setValue("viewbar/bar/test2", "2");
+        settings2.setValue("viewbar/bar/test3", "3");
+        settings2.setValue("viewbar/bar/test4", "4");
+        settings2.setValue("viewbar/bar/test5", "5");
+
+        settings2.beginGroup("viewbar");
+        QStringList l = settings2.childGroups();
+        settings2.endGroup();
+        l.sort();
+        QCOMPARE(l, QStringList() << "bar" << "foo");
+    }
+}
+
+void tst_QSettings::testUpdateRequestEvent()
+{
+    QFile::remove("foo");
+    QVERIFY(!QFile::exists("foo"));
+
+    QSettings settings1("foo", QSettings::IniFormat);
+    QVERIFY(!QFile::exists("foo"));
+    QVERIFY(QFileInfo("foo").size() == 0);
+    settings1.setValue("key1", 1);
+    QVERIFY(QFileInfo("foo").size() == 0);
+
+    qApp->processEvents();
+    QVERIFY(QFileInfo("foo").size() > 0);
+
+    settings1.remove("key1");
+    QVERIFY(QFileInfo("foo").size() > 0);
+
+    qApp->processEvents();
+    QVERIFY(QFileInfo("foo").size() == 0);
+
+    settings1.setValue("key2", 2);
+    QVERIFY(QFileInfo("foo").size() == 0);
+
+    qApp->processEvents();
+    QVERIFY(QFileInfo("foo").size() > 0);
+
+    settings1.clear();
+    QVERIFY(QFileInfo("foo").size() > 0);
+
+    qApp->processEvents();
+    QVERIFY(QFileInfo("foo").size() == 0);
+}
+
+const int NumIterations = 5;
+const int NumThreads = 4;
+
+class SettingsThread : public QThread
+{
+public:
+    void run();
+    void start(int n) { param = n; QThread::start(); }
+
+private:
+    int param;
+};
+
+void SettingsThread::run()
+{
+    for (int i = 0; i < NumIterations; ++i) {
+        QSettings settings("software.org", "KillerAPP");
+        settings.setValue(QString::number((param * NumIterations) + i), param);
+        settings.sync();
+        QCOMPARE((int)settings.status(), (int)QSettings::NoError);
+    }
+}
+
+void tst_QSettings::testThreadSafety()
+{
+    SettingsThread threads[NumThreads];
+    int i, j;
+
+    for (i = 0; i < NumThreads; ++i)
+        threads[i].start(i + 1);
+    for (i = 0; i < NumThreads; ++i)
+        threads[i].wait();
+
+    QSettings settings("software.org", "KillerAPP");
+    for (i = 0; i < NumThreads; ++i) {
+        int param = i + 1;
+        for (j = 0; j < NumIterations; ++j) {
+            QCOMPARE(settings.value(QString::number((param * NumIterations) + j)).toInt(), param);
+        }
+    }
+}
+
+void tst_QSettings::testNormalizedKey_data()
+{
+    QTest::addColumn<QString>("inKey");
+    QTest::addColumn<QString>("outKey");
+
+    QTest::newRow("empty1") << "" << "";
+    QTest::newRow("empty2") << "/" << "";
+    QTest::newRow("empty3") << "//" << "";
+    QTest::newRow("empty4") << "///" << "";
+
+    QTest::newRow("a1") << "a" << "a";
+    QTest::newRow("a2") << "/a" << "a";
+    QTest::newRow("a3") << "a/" << "a";
+    QTest::newRow("a4") << "//a" << "a";
+    QTest::newRow("a5") << "a//" << "a";
+    QTest::newRow("a6") << "///a" << "a";
+    QTest::newRow("a7") << "a///" << "a";
+    QTest::newRow("a8") << "///a/" << "a";
+    QTest::newRow("a9") << "/a///" << "a";
+
+    QTest::newRow("ab1") << "aaa/bbb" << "aaa/bbb";
+    QTest::newRow("ab2") << "/aaa/bbb" << "aaa/bbb";
+    QTest::newRow("ab3") << "aaa/bbb/" << "aaa/bbb";
+    QTest::newRow("ab4") << "/aaa/bbb/" << "aaa/bbb";
+    QTest::newRow("ab5") << "aaa///bbb" << "aaa/bbb";
+    QTest::newRow("ab6") << "aaa///bbb/" << "aaa/bbb";
+    QTest::newRow("ab7") << "/aaa///bbb/" << "aaa/bbb";
+    QTest::newRow("ab8") << "////aaa///bbb////" << "aaa/bbb";
+}
+
+void tst_QSettings::testNormalizedKey()
+{
+#ifdef QT_BUILD_INTERNAL
+    QFETCH(QString, inKey);
+    QFETCH(QString, outKey);
+
+    inKey.detach();
+
+    QString result = QSettingsPrivate::normalizedKey(inKey);
+    QCOMPARE(result, outKey);
+
+    /*
+        If the key is already normalized, we verify that outKey is
+        just a shallow copy of the input string. This is an important
+        optimization that shouldn't be removed accidentally.
+    */
+    if (inKey == outKey) {
+        QVERIFY(!result.isDetached());
+    } else {
+        if (!result.isEmpty()) {
+            QVERIFY(result.isDetached());
+        }
+    }
+#endif
+}
+
+void tst_QSettings::testEmptyData()
+{
+    QString filename(QDir::tempPath() + "/empty.ini");
+    QFile::remove(filename);
+    QVERIFY(!QFile::exists(filename));
+
+    QString nullString;
+    QString emptyString("");
+    QStringList emptyList;
+    QStringList list;
+    QStringList list2;
+
+    QVariantList emptyVList;
+    QVariantList vList, vList2, vList3;
+
+    list << emptyString << nullString;
+    list2 << emptyString;
+    vList << emptyString;
+    vList2 << emptyString << nullString;
+    vList3 << QString("foo");
+
+    {
+        QSettings settings(filename, QSettings::IniFormat);
+        settings.setValue("nullString", nullString);
+        settings.setValue("emptyString", emptyString);
+        settings.setValue("emptyList", emptyList);
+        settings.setValue("list", list);
+        settings.setValue("list2", list2);
+        settings.setValue("emptyVList", emptyVList);
+        settings.setValue("vList", vList);
+        settings.setValue("vList2", vList2);
+        settings.setValue("vList3", vList3);
+        QVERIFY(settings.status() == QSettings::NoError);
+    }
+    {
+        QSettings settings(filename, QSettings::IniFormat);
+        QCOMPARE(settings.value("nullString").toString(), nullString);
+        QCOMPARE(settings.value("emptyString").toString(), emptyString);
+        QCOMPARE(settings.value("emptyList").toStringList(), emptyList);
+        QCOMPARE(settings.value("list").toStringList(), list);
+        QCOMPARE(settings.value("list2").toStringList(), list2);
+        QCOMPARE(settings.value("emptyVList").toList(), emptyVList);
+        QCOMPARE(settings.value("vList").toList(), vList);
+        QCOMPARE(settings.value("vList2").toList(), vList2);
+        QCOMPARE(settings.value("vList3").toList(), vList3);
+        QVERIFY(settings.status() == QSettings::NoError);
+    }
+
+    {
+        QSettings settings("Trolltech", "tst_qsettings");
+        settings.setValue("nullString", nullString);
+        settings.setValue("emptyString", emptyString);
+        settings.setValue("emptyList", emptyList);
+        settings.setValue("list", list);
+        settings.setValue("list2", list2);
+        settings.setValue("emptyVList", emptyVList);
+        settings.setValue("vList", vList);
+        settings.setValue("vList2", vList2);
+        settings.setValue("vList3", vList3);
+        QVERIFY(settings.status() == QSettings::NoError);
+    }
+    {
+        QSettings settings("Trolltech", "tst_qsettings");
+        QCOMPARE(settings.value("nullString").toString(), nullString);
+        QCOMPARE(settings.value("emptyString").toString(), emptyString);
+        QCOMPARE(settings.value("emptyList").toStringList(), emptyList);
+        QCOMPARE(settings.value("list").toStringList(), list);
+        QCOMPARE(settings.value("list2").toStringList(), list2);
+        QCOMPARE(settings.value("emptyVList").toList(), emptyVList);
+        QCOMPARE(settings.value("vList").toList(), vList);
+        QCOMPARE(settings.value("vList2").toList(), vList2);
+        QCOMPARE(settings.value("vList3").toList(), vList3);
+        QVERIFY(settings.status() == QSettings::NoError);
+    }
+    QFile::remove(filename);
+}
+
+void tst_QSettings::testResourceFiles()
+{
+    QSettings settings(":/resourcefile.ini", QSettings::IniFormat);
+    QVERIFY(settings.status() == QSettings::NoError);
+    QVERIFY(!settings.isWritable());
+    QCOMPARE(settings.value("Field 1/Bottom").toInt(), 89);
+    settings.setValue("Field 1/Bottom", 90);
+
+    // the next two lines check the statu quo; another behavior would be possible
+    QVERIFY(settings.status() == QSettings::NoError);
+    QCOMPARE(settings.value("Field 1/Bottom").toInt(), 90);
+
+    settings.sync();
+    QVERIFY(settings.status() == QSettings::AccessError);
+    QCOMPARE(settings.value("Field 1/Bottom").toInt(), 90);
+}
+
+void tst_QSettings::fromFile_data()
+{
+    populateWithFormats();
+}
+
+void tst_QSettings::fromFile()
+{
+    QFETCH(QSettings::Format, format);
+
+    QFile::remove("foo");
+    QVERIFY(!QFile::exists("foo"));
+
+    QString path = "foo";
+
+#ifdef Q_OS_WIN
+    if (format == QSettings::NativeFormat)
+        path = "\\HKEY_CURRENT_USER\\Software\\foo";
+#endif
+
+    QStringList strList = QStringList() << "hope" << "destiny" << "chastity";
+
+    {
+        QSettings settings1(path, format);
+        QVERIFY(settings1.allKeys().isEmpty());
+
+        settings1.setValue("alpha", 1);
+        settings1.setValue("alpha", 2);
+        settings1.setValue("beta", strList);
+
+        QSettings settings2(path, format);
+        QCOMPARE(settings2.value("alpha").toInt(), 2);
+
+        settings1.sync();
+#ifndef Q_OS_WIN
+        QVERIFY(QFile::exists("foo"));
+#endif
+        QCOMPARE(settings1.value("alpha").toInt(), 2);
+        QCOMPARE(settings2.value("alpha").toInt(), 2);
+
+        settings2.setValue("alpha", 3);
+        settings2.setValue("gamma/foo.bar", 4);
+        QCOMPARE(settings1.value("alpha").toInt(), 3);
+        QCOMPARE(settings2.value("alpha").toInt(), 3);
+        QCOMPARE(settings1.value("beta").toStringList(), strList);
+        QCOMPARE(settings2.value("beta").toStringList(), strList);
+        QCOMPARE(settings1.value("gamma/foo.bar").toInt(), 4);
+        QCOMPARE(settings2.value("gamma/foo.bar").toInt(), 4);
+    }
+
+    {
+        QSettings settings1(path, format);
+        QCOMPARE(settings1.value("alpha").toInt(), 3);
+        QCOMPARE(settings1.value("beta").toStringList(), strList);
+        QCOMPARE(settings1.value("gamma/foo.bar").toInt(), 4);
+        QCOMPARE(settings1.allKeys().size(), 3);
+    }
+}
+
+void tst_QSettings::setIniCodec()
+{
+#ifdef QT_BUILD_INTERNAL
+    QByteArray expeContents4, expeContents5;
+    QByteArray actualContents4, actualContents5;
+
+    {
+    QFile inFile(":/resourcefile4.ini");
+    inFile.open(QIODevice::ReadOnly);
+    expeContents4 = inFile.readAll();
+    inFile.close();
+    }
+
+    {
+    QFile inFile(":/resourcefile5.ini");
+    inFile.open(QIODevice::ReadOnly);
+    expeContents5 = inFile.readAll();
+    inFile.close();
+    }
+
+    {
+    QSettings settings4(QSettings::IniFormat, QSettings::UserScope, "software.org", "KillerAPP");
+    settings4.setIniCodec("UTF-8");
+    settings4.setValue(QLatin1String("Fa\xe7" "ade/QU\xc9" "BEC"), QLatin1String("Fa\xe7" "ade/QU\xc9" "BEC"));
+    settings4.sync();
+
+    QSettings settings5(QSettings::IniFormat, QSettings::UserScope, "other.software.org", "KillerAPP");
+    settings5.setIniCodec("ISO 8859-1");
+    settings5.setValue(QLatin1String("Fa\xe7" "ade/QU\xc9" "BEC"), QLatin1String("Fa\xe7" "ade/QU\xc9" "BEC"));
+    settings5.sync();
+
+    {
+    QFile inFile(settings4.fileName());
+    inFile.open(QIODevice::ReadOnly);
+    actualContents4 = inFile.readAll();
+    inFile.close();
+    }
+
+    {
+    QFile inFile(settings5.fileName());
+    inFile.open(QIODevice::ReadOnly);
+    actualContents5 = inFile.readAll();
+    inFile.close();
+    }
+    }
+
+    QConfFile::clearCache();
+
+    QCOMPARE(actualContents4, expeContents4);
+    QCOMPARE(actualContents5, expeContents5);
+
+    QSettings settings4(QSettings::IniFormat, QSettings::UserScope, "software.org", "KillerAPP");
+    settings4.setIniCodec("UTF-8");
+    QSettings settings5(QSettings::IniFormat, QSettings::UserScope, "other.software.org", "KillerAPP");
+    settings5.setIniCodec("Latin-1");
+
+    QCOMPARE(settings4.allKeys().count(), 1);
+    QCOMPARE(settings5.allKeys().count(), 1);
+
+    QCOMPARE(settings4.allKeys().first(), settings5.allKeys().first());
+    QCOMPARE(settings4.value(settings4.allKeys().first()).toString(),
+             settings5.value(settings5.allKeys().first()).toString());
+#endif
+}
+
+static bool containsSubList(QStringList mom, QStringList son)
+{
+    for (int i = 0; i < son.size(); ++i) {
+        if (!mom.contains(son.at(i)))
+            return false;
+    }
+    return true;
+}
+
+void tst_QSettings::testArrays_data()
+{
+    populateWithFormats();
+}
+
+/*
+    Tests beginReadArray(), beginWriteArray(), endArray(), and
+    setArrayIndex().
+*/
+void tst_QSettings::testArrays()
+{
+    QFETCH(QSettings::Format, format);
+
+    {
+        QSettings settings1(format, QSettings::UserScope, "software.org", "KillerAPP");
+
+        settings1.beginWriteArray("foo/bar", 3);
+        settings1.setValue("bip", 1);
+        settings1.setArrayIndex(0);
+        settings1.setValue("ene", 2);
+        settings1.setValue("due", 3);
+        settings1.setValue("rike", 4);
+        settings1.setArrayIndex(1);
+        settings1.setValue("ene", 5);
+        settings1.setValue("due", 6);
+        settings1.setValue("rike", 7);
+        settings1.setArrayIndex(2);
+        settings1.setValue("ene", 8);
+        settings1.setValue("due", 9);
+        settings1.setValue("rike", 10);
+        settings1.endArray();
+
+        QStringList expectedList;
+        expectedList
+            << "foo/bar/bip"
+            << "foo/bar/size"
+            << "foo/bar/1/ene"
+            << "foo/bar/1/due"
+            << "foo/bar/1/rike"
+            << "foo/bar/2/ene"
+            << "foo/bar/2/due"
+            << "foo/bar/2/rike"
+            << "foo/bar/3/ene"
+            << "foo/bar/3/due"
+            << "foo/bar/3/rike";
+        expectedList.sort();
+
+        QStringList actualList = settings1.allKeys();
+        actualList.sort();
+        QVERIFY(containsSubList(actualList, expectedList));
+
+        QCOMPARE(settings1.value("/foo/bar/bip").toInt(), 1);
+        QCOMPARE(settings1.value("/foo/bar/1/ene").toInt(), 2);
+        QCOMPARE(settings1.value("/foo/bar/1/due").toInt(), 3);
+        QCOMPARE(settings1.value("/foo/bar/1/rike").toInt(), 4);
+        QCOMPARE(settings1.value("/foo/bar/2/ene").toInt(), 5);
+        QCOMPARE(settings1.value("/foo/bar/2/due").toInt(), 6);
+        QCOMPARE(settings1.value("/foo/bar/2/rike").toInt(), 7);
+        QCOMPARE(settings1.value("/foo/bar/3/ene").toInt(), 8);
+        QCOMPARE(settings1.value("/foo/bar/3/due").toInt(), 9);
+        QCOMPARE(settings1.value("/foo/bar/3/rike").toInt(), 10);
+
+        settings1.beginGroup("/foo");
+        int count = settings1.beginReadArray("bar");
+        QCOMPARE(count, 3);
+        QCOMPARE(settings1.value("bip").toInt(), 1);
+        settings1.setArrayIndex(0);
+        QCOMPARE(settings1.value("ene").toInt(), 2);
+        QCOMPARE(settings1.value("due").toInt(), 3);
+        QCOMPARE(settings1.value("rike").toInt(), 4);
+        QCOMPARE(settings1.allKeys().count(), 3);
+        settings1.setArrayIndex(1);
+        QCOMPARE(settings1.value("ene").toInt(), 5);
+        QCOMPARE(settings1.value("due").toInt(), 6);
+        QCOMPARE(settings1.value("rike").toInt(), 7);
+        QCOMPARE(settings1.allKeys().count(), 3);
+        settings1.setArrayIndex(2);
+        QCOMPARE(settings1.value("ene").toInt(), 8);
+        QCOMPARE(settings1.value("due").toInt(), 9);
+        QCOMPARE(settings1.value("rike").toInt(), 10);
+        QCOMPARE(settings1.allKeys().count(), 3);
+
+        settings1.endArray();
+        settings1.endGroup();
+    }
+    /*
+        Check that we get the arrays right when we load them again
+    */
+
+    {
+        QSettings settings1(format, QSettings::UserScope, "software.org", "KillerAPP");
+
+        QStringList expectedList;
+        expectedList
+            << "foo/bar/bip"
+            << "foo/bar/size"
+            << "foo/bar/1/ene"
+            << "foo/bar/1/due"
+            << "foo/bar/1/rike"
+            << "foo/bar/2/ene"
+            << "foo/bar/2/due"
+            << "foo/bar/2/rike"
+            << "foo/bar/3/ene"
+            << "foo/bar/3/due"
+            << "foo/bar/3/rike";
+        expectedList.sort();
+
+        QStringList actualList = settings1.allKeys();
+        actualList.sort();
+        QVERIFY(containsSubList(actualList, expectedList));
+
+        QCOMPARE(settings1.value("/foo/bar/bip").toInt(), 1);
+        QCOMPARE(settings1.value("/foo/bar/1/ene").toInt(), 2);
+        QCOMPARE(settings1.value("/foo/bar/1/due").toInt(), 3);
+        QCOMPARE(settings1.value("/foo/bar/1/rike").toInt(), 4);
+        QCOMPARE(settings1.value("/foo/bar/2/ene").toInt(), 5);
+        QCOMPARE(settings1.value("/foo/bar/2/due").toInt(), 6);
+        QCOMPARE(settings1.value("/foo/bar/2/rike").toInt(), 7);
+        QCOMPARE(settings1.value("/foo/bar/3/ene").toInt(), 8);
+        QCOMPARE(settings1.value("/foo/bar/3/due").toInt(), 9);
+        QCOMPARE(settings1.value("/foo/bar/3/rike").toInt(), 10);
+
+        settings1.beginGroup("/foo");
+        int count = settings1.beginReadArray("bar");
+        QCOMPARE(count, 3);
+        QCOMPARE(settings1.value("bip").toInt(), 1);
+        settings1.setArrayIndex(0);
+        QCOMPARE(settings1.value("ene").toInt(), 2);
+        QCOMPARE(settings1.value("due").toInt(), 3);
+        QCOMPARE(settings1.value("rike").toInt(), 4);
+        QCOMPARE(settings1.allKeys().count(), 3);
+        settings1.setArrayIndex(1);
+        QCOMPARE(settings1.value("ene").toInt(), 5);
+        QCOMPARE(settings1.value("due").toInt(), 6);
+        QCOMPARE(settings1.value("rike").toInt(), 7);
+        QCOMPARE(settings1.allKeys().count(), 3);
+        settings1.setArrayIndex(2);
+        QCOMPARE(settings1.value("ene").toInt(), 8);
+        QCOMPARE(settings1.value("due").toInt(), 9);
+        QCOMPARE(settings1.value("rike").toInt(), 10);
+        QCOMPARE(settings1.allKeys().count(), 3);
+
+        settings1.endArray();
+        settings1.endGroup();
+    }
+    /*
+        This code generates lots of warnings, but that's on purpose.
+        Basically, we check that endGroup() can be used instead of
+        endArray() and vice versa. This is not documented, but this
+        is the behavior that we have chosen.
+    */
+    QSettings settings1(format, QSettings::UserScope, "software.org", "KillerAPP");
+    settings1.clear();
+    settings1.beginGroup("/alpha");
+    QCOMPARE(settings1.group(), QString("alpha"));
+    settings1.setArrayIndex(0);
+    QCOMPARE(settings1.group(), QString("alpha"));
+    settings1.setArrayIndex(1);
+    QCOMPARE(settings1.group(), QString("alpha"));
+    settings1.setArrayIndex(2);
+    QCOMPARE(settings1.group(), QString("alpha"));
+    settings1.beginGroup("/beta");
+    QCOMPARE(settings1.group(), QString("alpha/beta"));
+    settings1.beginGroup("");
+    QCOMPARE(settings1.group(), QString("alpha/beta"));
+    settings1.beginWriteArray("DO", 4);
+    QCOMPARE(settings1.value("size").toInt(), 4);
+    QCOMPARE(settings1.group(), QString("alpha/beta/DO"));
+    settings1.setArrayIndex(0);
+    QCOMPARE(settings1.group(), QString("alpha/beta/DO/1"));
+    settings1.setArrayIndex(1);
+    QCOMPARE(settings1.group(), QString("alpha/beta/DO/2"));
+    settings1.beginGroup("1");
+    QCOMPARE(settings1.group(), QString("alpha/beta/DO/2/1"));
+    settings1.setArrayIndex(3);
+    QCOMPARE(settings1.group(), QString("alpha/beta/DO/2/1"));
+    settings1.setArrayIndex(4);
+    QCOMPARE(settings1.group(), QString("alpha/beta/DO/2/1"));
+    settings1.beginWriteArray("RE");
+    QVERIFY(!settings1.contains("size"));
+    QCOMPARE(settings1.group(), QString("alpha/beta/DO/2/1/RE"));
+    settings1.setArrayIndex(0);
+    QCOMPARE(settings1.group(), QString("alpha/beta/DO/2/1/RE/1"));
+    settings1.setArrayIndex(1);
+    QCOMPARE(settings1.group(), QString("alpha/beta/DO/2/1/RE/2"));
+    settings1.endArray();
+    QCOMPARE(settings1.group(), QString("alpha/beta/DO/2/1"));
+    settings1.endArray();
+    QCOMPARE(settings1.group(), QString("alpha/beta/DO/2"));
+    settings1.setArrayIndex(2);
+    QCOMPARE(settings1.group(), QString("alpha/beta/DO/3"));
+    settings1.endGroup();
+    QCOMPARE(settings1.group(), QString("alpha/beta"));
+    settings1.endGroup();
+    QCOMPARE(settings1.group(), QString("alpha/beta"));
+    settings1.endGroup();
+    QCOMPARE(settings1.group(), QString("alpha"));
+    settings1.endArray();
+    QCOMPARE(settings1.group(), QString());
+    settings1.endGroup();
+    QCOMPARE(settings1.group(), QString());
+
+    /*
+        Now, let's make sure that things work well if an array
+        is spread across multiple files.
+    */
+    int i;
+
+    settings1.clear();
+    QSettings settings2(format, QSettings::UserScope, "software.org");
+
+    QStringList threeStrings;
+    threeStrings << "Uno" << "Dos" << "Tres";
+
+    QStringList fiveStrings;
+    fiveStrings << "alpha" << "beta" << "gamma" << "delta" << "epsilon";
+
+    settings1.beginWriteArray("strings");
+    for (i = threeStrings.size() - 1; i >= 0; --i) {
+        settings1.setArrayIndex(i);
+        settings1.setValue("fileName", threeStrings.at(i));
+    }
+    settings1.endArray();
+
+    settings2.beginWriteArray("strings");
+    for (i = fiveStrings.size() - 1; i >= 0; --i) {
+        settings2.setArrayIndex(i);
+        settings2.setValue("fileName", fiveStrings.at(i));
+    }
+    settings2.endArray();
+
+    int size1 = settings1.beginReadArray("strings");
+    QCOMPARE(size1, 3);
+    QCOMPARE(settings1.value("size").toInt(), 3);
+
+    for (i = 0; i < size1; ++i) {
+        settings1.setArrayIndex(i);
+        QString str = settings1.value("fileName").toString();
+        QCOMPARE(str, threeStrings.at(i));
+    }
+    settings1.endArray();
+
+    int size2 = settings2.beginReadArray("strings");
+    QCOMPARE(size2, 5);
+    QCOMPARE(settings2.value("size").toInt(), 5);
+
+    for (i = 0; i < size2; ++i) {
+        settings2.setArrayIndex(i);
+        QString str = settings2.value("fileName").toString();
+        QCOMPARE(str, fiveStrings.at(i));
+    }
+    settings2.endArray();
+
+    size1 = settings1.beginReadArray("strings");
+    QCOMPARE(size1, 3);
+
+    // accessing entries beyond the end of settings1 goes to settings2
+    for (i = size1; i < size2; ++i) {
+        settings1.setArrayIndex(i);
+        QString str = settings1.value("fileName").toString();
+        QCOMPARE(str, fiveStrings.at(i));
+    }
+    settings1.endArray();
+}
+
+#ifdef QT_BUILD_INTERNAL
+static QByteArray iniEscapedKey(const QString &str)
+{
+    QByteArray result;
+    QSettingsPrivate::iniEscapedKey(str, result);
+    return result;
+}
+
+static QString iniUnescapedKey(const QByteArray &ba)
+{
+    QString result;
+    QSettingsPrivate::iniUnescapedKey(ba, 0, ba.size(), result);
+    return result;
+}
+
+static QByteArray iniEscapedStringList(const QStringList &strList)
+{
+    QByteArray result;
+    QSettingsPrivate::iniEscapedStringList(strList, result, 0);
+    return result;
+}
+
+static QStringList iniUnescapedStringList(const QByteArray &ba)
+{
+    QStringList result;
+    QString str;
+#if QSETTINGS_P_H_VERSION >= 2
+    bool isStringList = QSettingsPrivate::iniUnescapedStringList(ba, 0, ba.size(), str, result
+#if QSETTINGS_P_H_VERSION >= 3
+                                                                 , 0
+#endif
+                                                                    );
+    if (!isStringList)
+        result = QStringList(str);
+#else
+    QStringList *strList = QSettingsPrivate::iniUnescapedStringList(ba, 0, ba.size(), str);
+    if (strList) {
+        result = *strList;
+        delete strList;
+    } else {
+        result = QStringList(str);
+    }
+#endif
+    return result;
+}
+#endif
+
+QString escapeWeirdChars(const QString &s)
+{
+    QString result;
+    bool escapeNextDigit = false;
+
+    for (int i = 0; i < s.length(); ++i) {
+        QChar c = s.at(i);
+        if (c.unicode() < ' ' || c.unicode() > '~'
+            || (escapeNextDigit && c.unicode() >= '0' && c.unicode() <= 'f')) {
+            result += QString("\\x%1").arg(c.unicode(), 0, 16);
+            escapeNextDigit = true;
+        } else {
+            result += c;
+            escapeNextDigit = false;
+        }
+    }
+
+    return result;
+}
+
+void tst_QSettings::testEscapes()
+{
+#ifdef QT_BUILD_INTERNAL
+    QSettings settings(QSettings::UserScope, "software.org", "KillerAPP");
+
+#define testEscapedKey(plainKey, escKey) \
+    QCOMPARE(iniEscapedKey(plainKey), QByteArray(escKey)); \
+    QCOMPARE(iniUnescapedKey(escKey), QString(plainKey));
+
+#define testUnescapedKey(escKey, plainKey, reescKey) \
+    QCOMPARE(iniUnescapedKey(escKey), QString(plainKey)); \
+    QCOMPARE(iniEscapedKey(plainKey), QByteArray(reescKey)); \
+    QCOMPARE(iniUnescapedKey(reescKey), QString(plainKey));
+
+#define testEscapedStringList(plainStrList, escStrList) \
+    { \
+        QStringList plainList(plainStrList); \
+        QByteArray escList(escStrList); \
+        QCOMPARE(iniEscapedStringList(plainList), escList); \
+        QCOMPARE(iniUnescapedStringList(escList), plainList); \
+    } \
+
+
+#define testUnescapedStringList(escStrList, plainStrList, reescStrList) \
+    { \
+        QStringList plainList(plainStrList); \
+        QByteArray escList(escStrList); \
+        QByteArray reescList(reescStrList); \
+        QCOMPARE(iniUnescapedStringList(escList), plainList); \
+        QCOMPARE(iniEscapedStringList(plainList), reescList); \
+        QCOMPARE(iniUnescapedStringList(reescList), plainList); \
+    } \
+
+
+#define testVariant(val, escStr, func) \
+    { \
+        QVariant v(val); \
+        QString s = QSettingsPrivate::variantToString(v); \
+        /*qDebug() << QString("testVariant(): reference=\"%1\" result=\"%2\"").arg(escStr).arg(s); */\
+        QCOMPARE(s, escStr); \
+        QCOMPARE(QVariant(QSettingsPrivate::stringToVariant(escStr)), v); \
+        QVERIFY(val == v.func()); \
+    }
+
+#define testBadEscape(escStr, vStr) \
+    { \
+        QVariant v = QSettingsPrivate::stringToVariant(QString(escStr)); \
+        QCOMPARE(v.toString(), QString(vStr)); \
+    }
+
+    testEscapedKey("", "");
+    testEscapedKey(" ", "%20");
+    testEscapedKey(" 0123 abcd ", "%200123%20abcd%20");
+    testEscapedKey("~!@#$%^&*()_+.-/\\=", "%7E%21%40%23%24%25%5E%26%2A%28%29_%2B.-\\%5C%3D");
+    testEscapedKey(QString() + QChar(0xabcd) + QChar(0x1234) + QChar(0x0081), "%UABCD%U1234%81");
+    testEscapedKey(QString() + QChar(0xFE) + QChar(0xFF) + QChar(0x100) + QChar(0x101), "%FE%FF%U0100%U0101");
+
+    testUnescapedKey("", "", "");
+    testUnescapedKey("%20", " ", "%20");
+    testUnescapedKey("/alpha/beta", "/alpha/beta", "\\alpha\\beta");
+    testUnescapedKey("\\alpha\\beta", "/alpha/beta", "\\alpha\\beta");
+    testUnescapedKey("%5Calpha%5Cbeta", "\\alpha\\beta", "%5Calpha%5Cbeta");
+    testUnescapedKey("%", "%", "%25");
+    testUnescapedKey("%f%!%%%%1x%x1%U%Uz%U123%U1234%1234%", QString("%f%!%%%%1x%x1%U%Uz%U123") + QChar(0x1234) + "\x12" + "34%",
+                     "%25f%25%21%25%25%25%251x%25x1%25U%25Uz%25U123%U1234%1234%25");
+
+    testEscapedStringList("", "");
+    testEscapedStringList(" ", "\" \"");
+    testEscapedStringList(";", "\";\"");
+    testEscapedStringList(",", "\",\"");
+    testEscapedStringList("=", "\"=\"");
+    testEscapedStringList("abc-def", "abc-def");
+    testEscapedStringList(QChar(0) + QString("0"), "\\0\\x30");
+    testEscapedStringList("~!@#$%^&*()_+.-/\\=", "\"~!@#$%^&*()_+.-/\\\\=\"");
+    testEscapedStringList("~!@#$%^&*()_+.-/\\", "~!@#$%^&*()_+.-/\\\\");
+    testEscapedStringList(QString("\x7F") + "12aFz", "\\x7f\\x31\\x32\\x61\\x46z");
+    testEscapedStringList(QString("   \t\n\\n") + QChar(0x123) + QChar(0x4567), "\"   \\t\\n\\\\n\\x123\\x4567\"");
+    testEscapedStringList(QString("\a\b\f\n\r\t\v'\"?\001\002\x03\x04"), "\\a\\b\\f\\n\\r\\t\\v'\\\"?\\x1\\x2\\x3\\x4");
+    testEscapedStringList(QStringList() << "," << ";" << "a" << "ab,  \tc, d ", "\",\", \";\", a, \"ab,  \\tc, d \"");
+
+    /*
+      Test .ini syntax that cannot be generated by QSettings (but can be entered by users).
+    */
+    testUnescapedStringList("", "", "");
+    testUnescapedStringList("\"\"", "", "");
+    testUnescapedStringList("\"abcdef\"", "abcdef", "abcdef");
+    testUnescapedStringList("\"\\?\\'\\\"\"", "?'\"", "?'\\\"");
+    testUnescapedStringList("\\0\\00\\000\\0000000\\1\\111\\11111\\x\\x0\\xABCDEFGH\\x0123456\\",
+                            QString() + QChar(0) + QChar(0) + QChar(0) + QChar(0) + QChar(1)
+                            + QChar(0111) + QChar(011111) + QChar(0) + QChar(0xCDEF) + "GH"
+                            + QChar(0x3456),
+                            "\\0\\0\\0\\0\\x1I\\x1249\\0\\xcdefGH\\x3456");
+    testUnescapedStringList(QByteArray("\\c\\d\\e\\f\\g\\$\\*\\\0", 16), "\f", "\\f");
+    testUnescapedStringList("\"a\",  \t\"bc \", \"  d\" , \"ef  \" ,,g,   hi  i,,, ,",
+                            QStringList() << "a" << "bc " << "  d" << "ef  " << "" << "g" << "hi  i"
+                                          << "" << "" << "" << "",
+                            "a, \"bc \", \"  d\", \"ef  \", , g, hi  i, , , , ");
+    testUnescapedStringList("a ,  b   ,   c   d   , efg   ",
+                            QStringList() << "a" << "b" << "c   d" << "efg",
+                            "a, b, c   d, efg");
+
+    // streaming qvariant into a string
+    testVariant(QString("Hello World!"), QString("Hello World!"), toString);
+    testVariant(QString("Hello, World!"), QString("Hello, World!"), toString);
+    testVariant(QString("@Hello World!"), QString("@@Hello World!"), toString);
+    testVariant(QString("@@Hello World!"), QString("@@@Hello World!"), toString);
+    testVariant(QByteArray("Hello World!"), QString("@ByteArray(Hello World!)"), toString);
+    testVariant(QByteArray("@Hello World!"), QString("@ByteArray(@Hello World!)"), toString);
+    testVariant(QVariant(100), QString("100"), toString);
+    testVariant(QStringList() << "ene" << "due" << "rike", QString::fromLatin1("@Variant(\x0\x0\x0\xb\x0\x0\x0\x3\x0\x0\x0\x6\x0\x65\x0n\x0\x65\x0\x0\x0\x6\x0\x64\x0u\x0\x65\x0\x0\x0\x8\x0r\x0i\x0k\x0\x65)", 50), toStringList);
+    testVariant(QRect(1, 2, 3, 4), QString("@Rect(1 2 3 4)"), toRect);
+    testVariant(QSize(5, 6), QString("@Size(5 6)"), toSize);
+    testVariant(QPoint(7, 8), QString("@Point(7 8)"), toPoint);
+
+    testBadEscape("", "");
+    testBadEscape("@", "@");
+    testBadEscape("@@", "@");
+    testBadEscape("@@@", "@@");
+    testBadEscape(" ", " ");
+    testBadEscape("@Rect", "@Rect");
+    testBadEscape("@Rect(", "@Rect(");
+    testBadEscape("@Rect()", "@Rect()");
+    testBadEscape("@Rect)", "@Rect)");
+    testBadEscape("@Rect(1 2 3)", "@Rect(1 2 3)");
+    testBadEscape("@@Rect(1 2 3)", "@Rect(1 2 3)");
+#endif
+}
+
+void tst_QSettings::testCompatFunctions()
+{
+#ifdef QT3_SUPPORT
+    QSettings settings1("software.org", "KillerAPP");
+
+    bool ok;
+    ok = settings1.writeEntry("/root/bool", true);
+    QVERIFY(ok);
+    ok = settings1.writeEntry("/root/double", 1.4);
+    QVERIFY(ok);
+    ok = settings1.writeEntry("/root/int", 66666);
+    QVERIFY(ok);
+    ok = settings1.writeEntry("/root/const char */1", "Hello");
+    QVERIFY(ok);
+    ok = settings1.writeEntry("/root/const char */2", "");
+    QVERIFY(ok);
+    ok = settings1.writeEntry("/root/const char */3", (const char *)0);
+    QVERIFY(ok);
+    ok = settings1.writeEntry("/root/QString/1", QString("Hello"));
+    QVERIFY(ok);
+    ok = settings1.writeEntry("/root/QString/2", QString(""));
+    QVERIFY(ok);
+    ok = settings1.writeEntry("/root/QString/3", QString());
+    QVERIFY(ok);
+    ok = settings1.writeEntry("/root/QStringList/1", QStringList());
+    QVERIFY(ok);
+    ok = settings1.writeEntry("/root/QStringList/2", QStringList() << "");
+    QVERIFY(ok);
+    ok = settings1.writeEntry("/root/QStringList/3", QStringList() << "a" << "" << "b");
+    QVERIFY(ok);
+    ok = settings1.writeEntry("/root/QStringList/4", QStringList() << "a" << "" << "b", ':');
+    QVERIFY(ok);
+
+    QCOMPARE(settings1.readBoolEntry("/root/bool"), true);
+    QCOMPARE(settings1.readDoubleEntry("/root/double"), 1.4);
+    QCOMPARE(settings1.readNumEntry("/root/int"), 66666);
+    QCOMPARE(settings1.readEntry("/root/const char */1"), QString("Hello"));
+    QCOMPARE(settings1.readEntry("/root/const char */2"), QString(""));
+    QCOMPARE(settings1.readEntry("/root/const char */3"), QString());
+    QCOMPARE(settings1.readEntry("/root/QString/1"), QString("Hello"));
+    QCOMPARE(settings1.readEntry("/root/QString/2"), QString(""));
+    QCOMPARE(settings1.readEntry("/root/QString/3"), QString());
+    QCOMPARE(settings1.readListEntry("/root/QStringList/1"), QStringList());
+    QCOMPARE(settings1.readListEntry("/root/QStringList/2"), QStringList() << "");
+    QCOMPARE(settings1.readListEntry("/root/QStringList/3"), QStringList() << "a" << "" << "b");
+    QCOMPARE(settings1.readListEntry("/root/QStringList/4", ':'), QStringList() << "a" << "" << "b");
+    QCOMPARE(settings1.readEntry("/root/QStringList/4"), QString("a::b"));
+
+    QStringList actual, expectedSubKey, expectedEntry;
+
+    settings1.clear();
+    QStringList initialKeys = settings1.allKeys();
+    settings1.setValue("/alpha/beta", 5);
+    settings1.setValue("/alpha/beta/gamma", 5);
+    settings1.setValue("/alpha/beta/delta", 5);
+    settings1.setValue("/alpha/epsilon/zeta/eta", 5);
+    settings1.setValue("/alpha/theta", 5);
+
+    settings1.beginGroup("/alpha");
+    QCOMPARE(settings1.group(), QString("alpha"));
+
+    actual = settings1.entryList("");
+    actual.sort();
+    expectedEntry = QStringList() << "beta" << "theta";
+    QCOMPARE(actual, expectedEntry);
+
+    actual = settings1.subkeyList("");
+    actual.sort();
+    expectedSubKey = QStringList() << "beta" << "epsilon";
+    QCOMPARE(actual, expectedSubKey);
+
+    settings1.endGroup();
+
+    actual = settings1.entryList("alpha");
+    actual.sort();
+    QCOMPARE(actual, expectedEntry);
+
+    actual = settings1.subkeyList("alpha");
+    actual.sort();
+    QCOMPARE(actual, expectedSubKey);
+
+    actual = settings1.entryList("");
+    QVERIFY(containsSubList(initialKeys, actual));
+
+    actual = settings1.subkeyList("");
+    QVERIFY(actual.contains("alpha"));
+
+    actual = settings1.subkeyList("foo/bar/baz");
+    QVERIFY(actual.isEmpty());
+
+    actual = settings1.subkeyList("alpha/epsilon");
+    expectedSubKey = QStringList() << "zeta";
+    QCOMPARE(actual, expectedSubKey);
+#else
+    QSKIP("Compiled without Qt3Support", SkipAll);
+#endif
+}
+
+void tst_QSettings::testCaseSensitivity_data()
+{
+    populateWithFormats();
+}
+
+void tst_QSettings::testCaseSensitivity()
+{
+    QFETCH(QSettings::Format, format);
+
+    for (int pass = 0; pass < 2; ++pass) {
+        QSettings settings(format, QSettings::UserScope, "software.org", "KillerAPP");
+        settings.beginGroup("caseSensitivity");
+
+        bool cs = true;
+#ifndef QT_QSETTINGS_ALWAYS_CASE_SENSITIVE_AND_FORGET_ORIGINAL_KEY_ORDER
+        switch (format) {
+        case QSettings::NativeFormat:
+#ifdef Q_OS_DARWIN
+            cs = true;
+#else
+            cs = false;
+#endif
+            break;
+        case QSettings::IniFormat:
+            cs = false;
+            break;
+        case QSettings::CustomFormat1:
+            cs = true;
+            break;
+        case QSettings::CustomFormat2:
+            cs = false;
+            break;
+        default:
+            ;
+        }
+#endif
+
+        if (pass == 0) {
+            settings.setValue("key 1", 1);
+            settings.setValue("KEY 1", 2);
+            settings.setValue("key 2", 3);
+        }
+
+        for (int i = 0; i < 2; ++i) {
+            QVERIFY(settings.contains("key 1"));
+            QVERIFY(settings.contains("KEY 1"));
+            QCOMPARE(settings.value("KEY 1").toInt(), 2);
+/*            QVERIFY(settings.allKeys().contains("/KEY 1"));
+            QVERIFY(settings.allKeys().contains("/key 2")); */
+
+            if (cs) {
+                QVERIFY(!settings.contains("kEy 1"));
+                QCOMPARE(settings.value("key 1").toInt(), 1);
+                QCOMPARE(settings.allKeys().size(), 3);
+                QVERIFY(settings.allKeys().contains("key 1"));
+            } else {
+                QVERIFY(settings.contains("kEy 1"));
+                QCOMPARE(settings.value("kEy 1").toInt(), 2);
+                QCOMPARE(settings.value("key 1").toInt(), 2);
+                QCOMPARE(settings.allKeys().size(), 2);
+            }
+
+            settings.sync();
+        }
+
+        settings.remove("KeY 1");
+
+        if (cs) {
+            QVERIFY(!settings.contains("KeY 1"));
+            QVERIFY(settings.contains("key 1"));
+            QVERIFY(settings.contains("KEY 1"));
+            QCOMPARE(settings.value("key 1").toInt(), 1);
+            QCOMPARE(settings.value("KEY 1").toInt(), 2);
+            QCOMPARE(settings.allKeys().size(), 3);
+        } else {
+            QVERIFY(!settings.contains("KeY 1"));
+            QVERIFY(!settings.contains("key 1"));
+            QVERIFY(!settings.contains("KEY 1"));
+            QCOMPARE(settings.allKeys().size(), 1);
+        }
+        settings.setValue("KEY 1", 2);
+    }
+}
+
+#ifdef QT3_SUPPORT
+void tst_QSettings::oldEntryList_data()
+{
+    oldWriteEntry_data();
+}
+
+void tst_QSettings::oldReadEntryIni_data()
+{
+    oldWriteEntry_data();
+}
+
+void tst_QSettings::oldWriteEntryIni_data()
+{
+    oldWriteEntry_data();
+}
+
+void tst_QSettings::oldReadEntry_data()
+{
+    oldWriteEntry_data();
+}
+
+void tst_QSettings::oldWriteEntry_data()
+{
+    // define the test elements we're going to use
+    QTest::addColumn<QString>("string");
+    QTest::addColumn<QString>("empty");
+    QTest::addColumn<QString>("unicode");
+    QTest::addColumn<int>("integer");
+    QTest::addColumn<bool>("boolean");
+    QTest::addColumn<double>("floating");
+    QTest::addColumn<QStringList>("list");
+
+    QStringList list0;
+    list0 << "elem1";
+    list0 << "elem2";
+    list0 << "elem3";
+    list0 << "elem4";
+
+    QTest::newRow( "data0") << QString("blah") << QString("") << QString( QChar(0x0E12) ) << 99 << TRUE << 3.1415 << list0;
+
+    QStringList list1;
+    list1 << " elem1";
+    list1 << "elem2 ";
+    list1 << QString();
+    list1 << "";
+    list1 << "elem3";
+    QTest::newRow( "data1") << QString("foo") << QString("") << QString( QChar(0xFEFC) ) << -150 << FALSE << 0.0 << list1;
+}
+
+void tst_QSettings::oldWriteEntryHelper( QSettings &settings )
+{
+    QFETCH( QString, string );
+    QFETCH( QString, empty );
+    QFETCH( QString, unicode );
+    QFETCH( int, integer );
+    QFETCH( bool, boolean );
+    QFETCH( double, floating );
+    QFETCH( QStringList, list );
+
+    QVERIFY( settings.writeEntry( "/Trolltech/QSettingsTesting", string ) );
+    QVERIFY( settings.writeEntry( "/Trolltech/QSettingsTesting/String", string ) );
+    QVERIFY( settings.writeEntry( "/Trolltech/QSettingsTesting/Empty", empty ) );
+    QVERIFY( settings.writeEntry( "/Trolltech/QSettingsTesting/Unicode", unicode ) );
+    QVERIFY( settings.writeEntry( "/Trolltech/QSettingsTesting/Integer", integer ) );
+    QVERIFY( settings.writeEntry( "/Trolltech/QSettingsTesting/Boolean", boolean ) );
+    QVERIFY( settings.writeEntry( "/Trolltech/QSettingsTesting/Floating", floating ) );
+    QVERIFY( settings.writeEntry( "/Trolltech/QSettingsTesting/List", list ) );
+}
+
+void tst_QSettings::oldReadEntryHelper( QSettings &settings )
+{
+    bool ok;
+
+    QFETCH( QString, string );
+    QFETCH( QString, empty );
+    QFETCH( QString, unicode );
+    QFETCH( int, integer );
+    QFETCH( bool, boolean );
+    QFETCH( double, floating );
+    QFETCH( QStringList, list );
+
+    QCOMPARE( settings.readEntry( "/Trolltech/QSettingsTesting", QString::null, &ok ), string );
+    QVERIFY( ok );
+    QCOMPARE( settings.readEntry( "/Trolltech/QSettingsTesting/String", QString::null, &ok ), string );
+    QVERIFY( ok );
+    QCOMPARE( settings.readEntry( "/Trolltech/QSettingsTesting/Empty", QString::null, &ok ), empty );
+    QVERIFY( ok );
+    QCOMPARE( settings.readEntry( "/Trolltech/QSettingsTesting/Unicode", QString::null, &ok ), unicode );
+    QVERIFY( ok );
+    QCOMPARE( settings.readNumEntry( "/Trolltech/QSettingsTesting/Integer", 0, &ok ), integer );
+    QVERIFY( ok );
+    QCOMPARE( settings.readBoolEntry( "/Trolltech/QSettingsTesting/Boolean", 0, &ok ), boolean );
+    QVERIFY( ok );
+    QCOMPARE( settings.readDoubleEntry( "/Trolltech/QSettingsTesting/Floating", 0, &ok ), floating );
+    QVERIFY( ok );
+    QCOMPARE( settings.readListEntry( "/Trolltech/QSettingsTesting/List", &ok ), list );
+    QVERIFY( ok );
+
+    settings.readListEntry( "/Trolltech/QSettingsTesting/NonExistingValue", &ok );
+    QVERIFY( !ok );
+}
+
+void tst_QSettings::oldWriteEntryIni()
+{
+    QSettings settings(QSettings::IniFormat, QSettings::UserScope, "software.org", "KillerAPP");
+    oldWriteEntryHelper(settings);
+}
+
+void tst_QSettings::oldReadEntryIni()
+{
+    {
+	QSettings writeSettings(QSettings::IniFormat, QSettings::UserScope, "software.org", "KillerAPP");
+	oldWriteEntryHelper( writeSettings );
+    }
+    {
+	QSettings readSettings(QSettings::IniFormat, QSettings::UserScope, "software.org", "KillerAPP");
+	oldReadEntryHelper( readSettings );
+    }
+}
+
+
+void tst_QSettings::oldEndGroup_data()
+{
+    oldBeginGroup_data();
+}
+
+void tst_QSettings::oldResetGroup_data()
+{
+    oldBeginGroup_data();
+}
+
+void tst_QSettings::oldBeginGroup_data()
+{
+    // define the test elements we're going to use
+    QTest::addColumn<QString>("group");
+    QTest::addColumn<QString>("value");
+
+    QTest::newRow( "data0") << QString("blah") << "value";
+    QTest::newRow( "data1") << QString("") << "first/value";
+    QTest::newRow( "data2") << QString("first/second") << "value";
+    QTest::newRow( "data3") << QString("first/second/third") << "value";
+    QTest::newRow( "data4") << QString("first/second/third") << "value";
+}
+
+void tst_QSettings::oldBeginGroup()
+{
+    bool ok;
+
+    QFETCH( QString, group );
+    QFETCH( QString, value );
+
+    QSettings settings("software.org", "KillerAPP");
+
+    QCOMPARE(settings.group(), QString());
+    settings.beginGroup( group );
+    QCOMPARE(settings.group(), group);
+
+    QVERIFY( settings.writeEntry( "/" + value, value ) );
+    QCOMPARE( settings.readEntry( "/" + value ), value );
+    settings.endGroup();
+    QCOMPARE( settings.readEntry( group + "/" + value, QString::null, &ok ), value );
+    QVERIFY( ok );
+}
+
+void tst_QSettings::oldEndGroup()
+{
+    QFETCH( QString, group );
+
+    QSettings settings("software.org", "KillerAPP");
+    QCOMPARE( settings.group(), QString() );
+
+    settings.beginGroup( group );
+    settings.endGroup();
+    QCOMPARE( settings.group(), QString() );
+
+    settings.beginGroup( group );
+    settings.beginGroup( group );
+    settings.endGroup();
+    QCOMPARE( settings.group(), group );
+    settings.endGroup();
+    QCOMPARE( settings.group(), QString() );
+
+    QTest::ignoreMessage(QtWarningMsg, "QSettings::endGroup: No matching beginGroup()");
+    settings.endGroup();
+    QCOMPARE( settings.group(), QString() );
+}
+
+void tst_QSettings::oldResetGroup()
+{
+    QFETCH( QString, group );
+
+    QSettings settings("software.org", "KillerAPP");
+    settings.beginGroup( group );
+
+    settings.resetGroup();
+    QCOMPARE( settings.group(), QString() );
+}
+
+void tst_QSettings::oldEntryList()
+{
+    {
+	QSettings writeSettings("software.org", "KillerAPP");
+	oldWriteEntryHelper( writeSettings );
+    }
+
+    QStringList entryKeys;
+    entryKeys << "String" << "Empty" << "Unicode" << "Integer" << "Boolean" << "Floating" << "List";
+
+    QSettings readSettings("software.org", "KillerAPP");
+    QStringList entryList = readSettings.entryList( "/Trolltech/QSettingsTesting/" );
+    entryKeys.sort();
+    entryList.sort();
+    QCOMPARE( entryKeys, entryList );
+}
+
+void tst_QSettings::oldWriteEntry_QString_bool_data()
+{
+    QTest::addColumn<bool>("b");
+    QTest::newRow( "false" ) << bool(FALSE);
+    QTest::newRow( "true" ) << bool(TRUE);
+}
+
+void tst_QSettings::oldWriteEntry_QString_bool()
+{
+    {
+	QSettings writeSettings("software.org", "KillerAPP");
+	QFETCH( bool, b );
+	QVERIFY( writeSettings.writeEntry( "/Trolltech/QSettingsTesting/Boolean", b ) );
+    }
+
+    {
+	QSettings readSettings("software.org", "KillerAPP");
+	QFETCH( bool, b );
+	bool ok = FALSE;
+	QCOMPARE( readSettings.readBoolEntry( "/Trolltech/QSettingsTesting/Boolean", 0, &ok ), b );
+	QVERIFY( ok );
+    }
+}
+
+void tst_QSettings::oldWriteEntry_QString_double_data()
+{
+    QTest::addColumn<double>("f");
+    QTest::newRow( "data0" ) << 3.1415;
+    QTest::newRow( "data1" ) << 0.0;
+    QTest::newRow( "data2" ) << 0.0000000000000000000000000001;
+}
+
+void tst_QSettings::oldWriteEntry_QString_double()
+{
+    {
+	QSettings writeSettings("software.org", "KillerAPP");
+	QFETCH( double, f );
+	QVERIFY( writeSettings.writeEntry( "/Trolltech/QSettingsTesting/Floating", f ) );
+    }
+    {
+	QSettings readSettings("software.org", "KillerAPP");
+	QFETCH( double, f );
+	bool ok = FALSE;
+	QCOMPARE( readSettings.readDoubleEntry( "/Trolltech/QSettingsTesting/Floating", 0, &ok ), f );
+	QVERIFY( ok );
+    }
+}
+
+void tst_QSettings::oldWriteEntry_QString_int_data()
+{
+    QTest::addColumn<int>("i");
+    QTest::newRow( "data0" ) << int(0);
+    QTest::newRow( "data1" ) << int(1);
+    QTest::newRow( "data2" ) << int(11);
+    QTest::newRow( "data3" ) << int(111);
+    QTest::newRow( "data4" ) << int(1111);
+    QTest::newRow( "data5" ) << int(11111);
+    QTest::newRow( "data6" ) << int(-1);
+    QTest::newRow( "data7" ) << int(-11);
+    QTest::newRow( "data8" ) << int(-111);
+    QTest::newRow( "data9" ) << int(-1111);
+    QTest::newRow( "data10" ) << int(-11111);
+}
+
+void tst_QSettings::oldWriteEntry_QString_int()
+{
+    {
+	QSettings writeSettings("software.org", "KillerAPP");
+	QFETCH( int, i );
+	QVERIFY( writeSettings.writeEntry( "/Trolltech/QSettingsTesting/Integer", i ) );
+    }
+    {
+	QSettings readSettings("software.org", "KillerAPP");
+	QFETCH( int, i );
+	bool ok = FALSE;
+	QCOMPARE( readSettings.readNumEntry( "/Trolltech/QSettingsTesting/Integer", 0, &ok ), i );
+	QVERIFY( ok );
+    }
+}
+
+void tst_QSettings::oldWriteEntry_QString_QString_data()
+{
+    QTest::addColumn<QString>("s");
+    QTest::newRow( "data0" ) << QString( "blah" );
+    QTest::newRow( "data1" ) << QString( "" );
+    QTest::newRow( "data2" ) << QString( QChar(0x0E12) ); // unicode
+    QTest::newRow( "data3" ) << QString("foo");
+//    QTest::newRow( "data4" ) << QString::null;	       // nul string (not supported on Windows!)
+    QTest::newRow( "data5" ) << QString( QChar(0xFEFC) ); // more unicode
+    QTest::newRow( "data6" ) << QString( "This is s short string" );
+    QTest::newRow( "data7" ) << QString( "This is a string with a cr\nand some text on the second line" );
+    QTest::newRow( "data8" ) << QString( "\n" );
+    QTest::newRow( "data9" ) << QString( "01234567890, abcdefghijklmnopqrestuvxyz, ABCDEFGHIJKLMNOPQRSTUVWXYZ~`!@#$%^&*()_+=-[{]}\\|'\":;/?.>,<" );
+}
+
+void tst_QSettings::oldWriteEntry_QString_QString()
+{
+    {
+	QSettings writeSettings("software.org", "KillerAPP");
+	QFETCH( QString, s );
+	QVERIFY( writeSettings.writeEntry( "/Trolltech/QSettingsTesting/String", s ) );
+    }
+    {
+	QSettings readSettings("software.org", "KillerAPP");
+	QFETCH( QString, s );
+	bool ok = FALSE;
+	QCOMPARE( readSettings.readEntry( "/Trolltech/QSettingsTesting/String", QString::null, &ok ), s );
+	QVERIFY( ok );
+    }
+}
+
+void tst_QSettings::oldWriteEntry_QString_QStringList_data()
+{
+    QTest::addColumn<QStringList>("l");
+    QStringList list0;
+    list0 << "elem1";
+    list0 << "elem2";
+    list0 << "elem3";
+    list0 << "elem4";
+
+    QTest::newRow( "data0") << list0;
+
+    QStringList list1;
+    list1 << " elem1";
+    list1 << "elem2 ";
+    list1 << QString();
+    list1 << "";
+    list1 << "elem3";
+    QTest::newRow( "data1") << list1;
+
+    QStringList list2;
+    list2 << " elem1";
+    list2 << "elem2 bla bla bla, yada yada, 01234567890, abcdefghijklmnopqrestuvxyz, ABCDEFGHIJKLMNOPQRSTUVWXYZ~`!@#$%^&*()_+=-[{]}\\|'\":;/?.>,<";
+    list1 << QString();
+    list2 << "\n";
+    list2 << "elem3\nand another line";
+    QTest::newRow( "data2") << list2;
+}
+
+void tst_QSettings::oldWriteEntry_QString_QStringList()
+{
+    {
+	QSettings writeSettings("software.org", "KillerAPP");
+	QFETCH( QStringList, l );
+	QVERIFY( writeSettings.writeEntry( "/Trolltech/QSettingsTesting/List", l ) );
+    }
+    {
+	QSettings readSettings("software.org", "KillerAPP");
+	QFETCH( QStringList, l );
+	bool ok = FALSE;
+	QCOMPARE( readSettings.readListEntry( "/Trolltech/QSettingsTesting/List", &ok ), l );
+	QVERIFY( ok );
+    }
+}
+
+void tst_QSettings::oldWriteEntry_QString_QStringList_QChar_data()
+{
+    QTest::addColumn<QStringList>("l");
+    QTest::addColumn<QString>("sep");
+
+    QStringList list0;
+    list0 << "elem1";
+    list0 << "elem2";
+    list0 << "elem3";
+    list0 << "elem4";
+
+    QTest::newRow( "data00") << list0 << "\\";
+    QTest::newRow( "data01") << list0 << "/";
+    QTest::newRow( "data02") << list0 << " ";
+
+    QStringList list1;
+    list1 << " elem1";
+    list1 << "elem2 ";
+    list1 << "elem3";
+    QTest::newRow( "data10") << list1 << "\\";
+    QTest::newRow( "data11") << list1 << "/";
+    QTest::newRow( "data12") << list1 << "&";
+
+    QStringList list2;
+    list2 << " elem1";
+    list2 << "elem2 bla bla bla, yada yada, 01234567890, abcdefghijklmnopqrestuvxyz, ABCDEFGHIJKLMNOPQRSTUVWXYZ~`!@#$%^*()_+=-[{]}\\|/'\":;?.>,<";
+    list2 << "\n";
+    list2 << "elem3\nand another line";
+    QTest::newRow( "data20") << list2 << "&";
+
+    // an empty stringlist should be stored as an empty string (and return an empty stringlist?)
+    QStringList list3;
+    QTest::newRow( "data30") << list3 << "/";
+}
+
+void tst_QSettings::oldWriteEntry_QString_QStringList_QChar()
+{
+    // edba:
+    // data10, data11, data12, data20, data21 and data22 currently fail.
+    // This is because the list DOES contain the separator which is a fail IMO, so i
+    // expect the writeEntry to return FALSE (but it doesn't).
+    // If my interpretation of the doc is wrong, then the separators should be deleted from
+    // data10 .. data22.
+    {
+	QSettings writeSettings("software.org", "KillerAPP");
+	QFETCH( QStringList, l );
+	QFETCH( QString, sep );
+	QVERIFY( writeSettings.writeEntry( "/Trolltech/QSettingsTesting/List", l, QChar(sep[0]) ) );
+    }
+    {
+	QSettings readSettings("software.org", "KillerAPP");
+	QFETCH( QStringList, l );
+	QFETCH( QString, sep );
+	bool ok = FALSE;
+	QStringList actual;
+	actual = readSettings.readListEntry( "/Trolltech/QSettingsTesting/List", QChar(sep[0]), &ok );
+	QVERIFY2( ok, "Read the stringlist from the settings" );
+	QCOMPARE( actual, l );
+    }
+}
+
+void tst_QSettings::oldReadListEntry_QString()
+{
+    DEPENDS_ON( "writeEntry_QString_QStringList" );
+}
+
+void tst_QSettings::oldReadListEntry_QString_QChar()
+{
+    DEPENDS_ON( "writeEntry_QString_QStringList_QChar" );
+}
+
+void tst_QSettings::oldReadEntry()
+{
+    DEPENDS_ON( "writeEntry_QString_QString" );
+}
+
+void tst_QSettings::oldReadNumEntry()
+{
+    DEPENDS_ON( "writeEntry_QString_int" );
+}
+
+void tst_QSettings::oldReadDoubleEntry()
+{
+    DEPENDS_ON( "writeEntry_QString_double" );
+}
+
+void tst_QSettings::oldReadBoolEntry()
+{
+    DEPENDS_ON( "writeEntry_QString_bool" );
+}
+
+void tst_QSettings::oldRemoveEntry()
+{
+    // we'll use this one later
+    QSettings firstSettings("software.org", "KillerAPP");
+
+    // first write a key
+    {
+	QSettings writeSettings("software.org", "KillerAPP");
+	writeSettings.writeEntry( "/Trolltech/QSettingsTesting/removeEntry", "foobar" );
+    }
+
+    // check that the key exists
+    {
+	QSettings readSettings("software.org", "KillerAPP");
+	bool ok = FALSE;
+	QString foo = readSettings.readEntry( "/Trolltech/QSettingsTesting/removeEntry", QString::null, &ok  );
+	QVERIFY( ok );
+	QVERIFY( foo == "foobar" );
+
+	// and remove it
+	QVERIFY( readSettings.removeEntry( "/Trolltech/QSettingsTesting/removeEntry") );
+
+	// check that it is gone
+	QString foo2 = readSettings.readEntry( "/Trolltech/QSettingsTesting/removeEntry", QString::null, &ok  );
+	QVERIFY( ok == FALSE );
+	QVERIFY( foo2 == "" );
+    }
+
+    // Take another chance with a fresh instance
+    {
+	QSettings readSettings("software.org", "KillerAPP");
+	bool ok = FALSE;
+	QString foo = readSettings.readEntry( "/Trolltech/QSettingsTesting/removeEntry", QString::null, &ok  );
+	QVERIFY( ok == FALSE );
+	QVERIFY( foo == "" );
+    }
+
+    // and another chance with an instance that existed already
+    {
+	bool ok = FALSE;
+	QString foo = firstSettings.readEntry( "/Trolltech/QSettingsTesting/removeEntry", QString::null, &ok  );
+	QVERIFY( ok == FALSE );
+	QVERIFY( foo == "" );
+    }
+}
+
+void tst_QSettings::oldGlobalVersusLocal()
+{
+    { //write global
+        QSettings settings("foo");
+        settings.setPath("software.org", "KillerAPP", QSettings::Global);
+        settings.writeEntry("/vs/just_global/", "from Global");
+        settings.writeEntry("/vs/local_and_global/", "from Global");
+    }
+    { //write local
+        QSettings settings("bar");
+        settings.setPath("software.org", "KillerAPP", QSettings::User);
+        settings.writeEntry("/vs/local_and_global/", "from User");
+    }
+    bool ok;
+    {
+        QSettings settings("baz");
+        settings.setPath("software.org", "KillerAPP", QSettings::User);
+        QString just_global = settings.readEntry("/vs/just_global/", "not_available", &ok);
+	    QVERIFY(ok);
+        QCOMPARE(just_global, QString("from Global"));
+        QString local_and_global = settings.readEntry("/vs/local_and_global/", "not_available", &ok);
+	    QVERIFY(ok);
+        QCOMPARE(local_and_global, QString("from User"));
+    }
+    {
+        QSettings settings("bat");
+        settings.setPath("software.org", "KillerAPP", QSettings::Global);
+        QString just_global = settings.readEntry("/vs/just_global/", "not_available", &ok);
+        QVERIFY(ok);
+        QCOMPARE(just_global, QString("from Global"));
+        QString local_and_global = settings.readEntry("/vs/local_and_global/", "not_available", &ok);
+        QVERIFY(ok);
+        QCOMPARE(local_and_global, QString("from Global"));
+    }
+}
+#endif // QT3_SUPPORT
+
+void tst_QSettings::fileName()
+{
+#ifdef Q_OS_MAC
+    QSettings s1(QSettings::UserScope, "Apple", "Console");
+    QSettings s2(QSettings::UserScope, "Apple");
+    QSettings s3(QSettings::SystemScope, "Apple", "Console");
+    QSettings s4(QSettings::SystemScope, "Apple");
+
+    QCOMPARE(s1.fileName(), QDir::homePath() + "/Library/Preferences/com.apple.Console.plist");
+    QCOMPARE(s2.fileName(), QDir::homePath() + "/Library/Preferences/com.apple.plist");
+    QCOMPARE(s3.fileName(), QString("/Library/Preferences/com.apple.Console.plist"));
+    QCOMPARE(s4.fileName(), QString("/Library/Preferences/com.apple.plist"));
+
+    QSettings s5(QSettings::SystemScope, "Apple.com", "Console");
+    QCOMPARE(s5.fileName(), QString("/Library/Preferences/com.apple.Console.plist"));
+
+    QSettings s6(QSettings::SystemScope, "apple.com", "Console");
+    QCOMPARE(s6.fileName(), QString("/Library/Preferences/com.apple.Console.plist"));
+
+    QSettings s7(QSettings::SystemScope, "apple.Com", "Console");
+    QCOMPARE(s7.fileName(), QString("/Library/Preferences/com.apple.Console.plist"));
+
+    QSettings s8(QSettings::SystemScope, "apple.fr", "Console");
+    QCOMPARE(s8.fileName(), QString("/Library/Preferences/fr.apple.Console.plist"));
+
+    QSettings s9(QSettings::SystemScope, "apple.co.jp", "Console");
+    QCOMPARE(s9.fileName(), QString("/Library/Preferences/jp.co.apple.Console.plist"));
+
+    QSettings s10(QSettings::SystemScope, "apple.org", "Console");
+    QCOMPARE(s10.fileName(), QString("/Library/Preferences/org.apple.Console.plist"));
+
+    QSettings s11(QSettings::SystemScope, "apple.net", "Console");
+    QCOMPARE(s11.fileName(), QString("/Library/Preferences/net.apple.Console.plist"));
+
+    QSettings s12(QSettings::SystemScope, "apple.museum", "Console");
+    QCOMPARE(s12.fileName(), QString("/Library/Preferences/museum.apple.Console.plist"));
+
+    QSettings s13(QSettings::SystemScope, "apple.FR", "Console");
+    QCOMPARE(s13.fileName(), QString("/Library/Preferences/fr.apple.Console.plist"));
+
+    QSettings s14(QSettings::SystemScope, "apple.mUseum", "Console");
+    QCOMPARE(s14.fileName(), QString("/Library/Preferences/museum.apple.Console.plist"));
+
+    QSettings s15(QSettings::SystemScope, "apple.zz", "Console");
+    QCOMPARE(s15.fileName(), QString("/Library/Preferences/zz.apple.Console.plist"));
+
+    QSettings s15_prime(QSettings::SystemScope, "apple.foo", "Console");
+    QCOMPARE(s15_prime.fileName(), QString("/Library/Preferences/com.apple-foo.Console.plist"));
+
+    QSettings s16(QSettings::SystemScope, "apple.f", "Console");
+    QCOMPARE(s16.fileName(), QString("/Library/Preferences/com.apple-f.Console.plist"));
+
+    QSettings s17(QSettings::SystemScope, "apple.", "Console");
+    QCOMPARE(s17.fileName(), QString("/Library/Preferences/com.apple.Console.plist"));
+
+    QSettings s18(QSettings::SystemScope, "Foo, Inc.", "Console");
+    QCOMPARE(s18.fileName(), QString("/Library/Preferences/com.foo-inc.Console.plist"));
+
+    QSettings s19(QSettings::SystemScope, "Foo, Inc.com", "Console");
+    QCOMPARE(s19.fileName(), QString("/Library/Preferences/com.foo, inc.Console.plist"));
+
+    QSettings s20(QSettings::SystemScope, QLatin1String("   ") + QChar(0xbd) + QLatin1String("Foo//:/Barxxx  Baz!()#@.com"), "Console");
+    QCOMPARE(s20.fileName(), QLatin1String("/Library/Preferences/com.   ") + QChar(0xbd) + QLatin1String("foo  : barxxx  baz!()#@.Console.plist"));
+
+    QSettings s21(QSettings::SystemScope, QLatin1String("   ") + QChar(0xbd) + QLatin1String("Foo//:/Bar,,,  Baz!()#"), "Console");
+    QCOMPARE(s21.fileName(), QString("/Library/Preferences/com.foo-bar-baz.Console.plist"));
+#else
+    QSKIP("Please write a fileName() test for the other platforms", SkipAll);
+#endif
+}
+
+void tst_QSettings::isWritable_data()
+{
+    populateWithFormats();
+}
+
+void tst_QSettings::isWritable()
+{
+    QFETCH(QSettings::Format, format);
+
+    {
+        QSettings s1(format, QSettings::UserScope, "software.org", "KillerAPP");
+        s1.setValue("foo", 1);
+        s1.sync();
+        // that should create the file
+    }
+
+    {
+        QSettings s1(format, QSettings::UserScope, "software.org", "KillerAPP");
+        QVERIFY(s1.isWritable());
+    }
+
+    {
+        QSettings s1(format, QSettings::SystemScope, "software.org", "KillerAPP");
+        s1.setValue("foo", 1);
+        s1.sync();
+        // that should create the file, *if* we have the permissions
+    }
+
+    {
+        QSettings s1(format, QSettings::SystemScope, "software.org", "KillerAPP");
+        QSettings s2(format, QSettings::SystemScope, "software.org", "Something Different");
+        QSettings s3(format, QSettings::SystemScope, "foo.org", "Something Different");
+        if (s1.contains("foo")) {
+            QVERIFY(s1.isWritable());
+            QVERIFY(s2.isWritable());
+            QVERIFY(s3.isWritable());
+        } else {
+            QVERIFY(!s1.isWritable());
+            QVERIFY(!s2.isWritable());
+            QVERIFY(!s3.isWritable());
+        }
+    }
+}
+
+void tst_QSettings::childGroups_data()
+{
+    populateWithFormats();
+}
+
+void tst_QSettings::childGroups()
+{
+#ifdef QT_BUILD_INTERNAL
+    QFETCH(QSettings::Format, format);
+
+    {
+        QSettings settings(format, QSettings::SystemScope, "software.org");
+        settings.setValue("alpha", "1");
+        settings.setValue("alpha/a", "2");
+        settings.setValue("alpha/b", "3");
+        settings.setValue("alpha/c", "4");
+        settings.setValue("beta", "5");
+        settings.setValue("gamma", "6");
+        settings.setValue("gamma/d", "7");
+        settings.setValue("gamma/d/e", "8");
+        settings.setValue("gamma/f/g", "9");
+        settings.setValue("omicron/h/i/j/x", "10");
+        settings.setValue("omicron/h/i/k/y", "11");
+        settings.setValue("zeta/z", "12");
+    }
+
+    for (int pass = 0; pass < 3; ++pass) {
+        QConfFile::clearCache();
+        QSettings settings(format, QSettings::SystemScope, "software.org");
+        settings.setFallbacksEnabled(false);
+        if (pass == 1) {
+            settings.value("gamma/d");
+        } else if (pass == 2) {
+            settings.value("gamma");
+        }
+
+        settings.beginGroup("gamma");
+        QCOMPARE(settings.childGroups(), QStringList() << "d" << "f");
+        settings.beginGroup("d");
+        QCOMPARE(settings.childGroups(), QStringList());
+        settings.endGroup();
+        settings.endGroup();
+
+        settings.beginGroup("alpha");
+        QCOMPARE(settings.childGroups(), QStringList());
+        settings.endGroup();
+
+        settings.beginGroup("d");
+        QCOMPARE(settings.childGroups(), QStringList());
+        settings.endGroup();
+
+        settings.beginGroup("/omicron///h/i///");
+        QCOMPARE(settings.childGroups(), QStringList() << "j" << "k");
+        settings.endGroup();
+
+        settings.beginGroup("////");
+        QCOMPARE(settings.childGroups(), QStringList() << "alpha" << "gamma" << "omicron" << "zeta");
+        settings.endGroup();
+
+        QCOMPARE(settings.childGroups(), QStringList() << "alpha" << "gamma" << "omicron" << "zeta");
+    }
+#endif
+}
+
+void tst_QSettings::childKeys_data()
+{
+    populateWithFormats();
+}
+
+void tst_QSettings::childKeys()
+{
+#ifdef QT_BUILD_INTERNAL
+    QFETCH(QSettings::Format, format);
+
+    {
+        QSettings settings(format, QSettings::SystemScope, "software.org");
+        settings.setValue("alpha", "1");
+        settings.setValue("alpha/a", "2");
+        settings.setValue("alpha/b", "3");
+        settings.setValue("alpha/c", "4");
+        settings.setValue("beta", "5");
+        settings.setValue("gamma", "6");
+        settings.setValue("gamma/d", "7");
+        settings.setValue("gamma/d/e", "8");
+        settings.setValue("gamma/f/g", "9");
+        settings.setValue("omicron/h/i/j/x", "10");
+        settings.setValue("omicron/h/i/k/y", "11");
+        settings.setValue("zeta/z", "12");
+    }
+
+    for (int pass = 0; pass < 3; ++pass) {
+        QConfFile::clearCache();
+        QSettings settings(format, QSettings::SystemScope, "software.org");
+        settings.setFallbacksEnabled(false);
+        if (pass == 1) {
+            settings.value("gamma/d");
+        } else if (pass == 2) {
+            settings.value("gamma");
+        }
+
+        settings.beginGroup("gamma");
+        QCOMPARE(settings.childKeys(), QStringList() << "d");
+        settings.beginGroup("d");
+        QCOMPARE(settings.childKeys(), QStringList() << "e");
+        settings.endGroup();
+        settings.endGroup();
+
+        settings.beginGroup("alpha");
+        QCOMPARE(settings.childKeys(), QStringList() << "a" << "b" << "c");
+        settings.endGroup();
+
+        settings.beginGroup("d");
+        QCOMPARE(settings.childKeys(), QStringList());
+        settings.endGroup();
+
+        settings.beginGroup("/omicron///h/i///");
+        QCOMPARE(settings.childKeys(), QStringList());
+        settings.endGroup();
+
+        settings.beginGroup("////");
+        QCOMPARE(settings.childKeys(), QStringList() << "alpha" << "beta" << "gamma");
+        settings.endGroup();
+
+        QCOMPARE(settings.childKeys(), QStringList() << "alpha" << "beta" << "gamma");
+    }
+#endif
+}
+
+void tst_QSettings::allKeys_data()
+{
+    populateWithFormats();
+}
+
+void tst_QSettings::allKeys()
+{
+#ifdef QT_BUILD_INTERNAL
+    QFETCH(QSettings::Format, format);
+
+    QStringList allKeys;
+    allKeys << "alpha" << "alpha/a" << "alpha/b" << "alpha/c" << "beta" << "gamma" << "gamma/d"
+            << "gamma/d/e" << "gamma/f/g" << "omicron/h/i/j/x" << "omicron/h/i/k/y" << "zeta/z";
+
+    {
+        QSettings settings(format, QSettings::SystemScope, "software.org");
+        for (int i = 0; i < allKeys.size(); ++i)
+            settings.setValue(allKeys.at(i), QString::number(i + 1));
+    }
+
+    for (int pass = 0; pass < 3; ++pass) {
+        QConfFile::clearCache();
+        QSettings settings(format, QSettings::SystemScope, "software.org");
+        settings.setFallbacksEnabled(false);
+
+        if (pass == 1) {
+            settings.value("gamma/d");
+        } else if (pass == 2) {
+            settings.value("gamma");
+        }
+
+        settings.beginGroup("gamma");
+        QCOMPARE(settings.allKeys(), QStringList() << "d" << "d/e" << "f/g");
+        settings.beginGroup("d");
+        QCOMPARE(settings.allKeys(), QStringList() << "e");
+        settings.endGroup();
+        settings.endGroup();
+
+        settings.beginGroup("alpha");
+        QCOMPARE(settings.allKeys(), QStringList() << "a" << "b" << "c");
+        settings.endGroup();
+
+        settings.beginGroup("d");
+        QCOMPARE(settings.allKeys(), QStringList());
+        settings.endGroup();
+
+        settings.beginGroup("/omicron///h/i///");
+        QCOMPARE(settings.allKeys(), QStringList() << "j/x" << "k/y");
+        settings.endGroup();
+
+        settings.beginGroup("////");
+        QCOMPARE(settings.allKeys(), allKeys);
+        settings.endGroup();
+
+        QCOMPARE(settings.allKeys(), allKeys);
+    }
+#endif
+}
+
+void tst_QSettings::registerFormat()
+{
+    QSettings settings1(QSettings::IniFormat, QSettings::UserScope, "software.org", "KillerAPP");
+    QSettings settings2(QSettings::CustomFormat1, QSettings::UserScope, "software.org", "KillerAPP");
+
+    QString fileName = settings1.fileName();
+    fileName.chop(3); // "ini";
+    fileName.append("custom1");
+    QCOMPARE(settings2.fileName(), fileName);
+
+    // OK, let's see if it can read a generated file of a custom type
+    // Beware: readCustom3File() and writeCustom3File() have unintuitive behavior
+    // so we can test error handling
+
+    QSettings::Format custom3 = QSettings::registerFormat("custom3", readCustom3File, writeCustom3File);
+    QVERIFY(custom3 == QSettings::CustomFormat3);
+
+    QDir dir(settingsPath());
+    QVERIFY(dir.mkpath("someDir"));
+    QFile f(dir.path()+"/someDir/someSettings.custom3");
+
+    QVERIFY(f.open(QFile::WriteOnly));
+    f.write("OK");
+    f.close();
+
+    {
+    QSettings settings(settingsPath("someDir/someSettings.custom3"), QSettings::CustomFormat3);
+    QCOMPARE(settings.status(), QSettings::NoError);
+    QCOMPARE(settings.value("retval").toString(), QString("OK"));
+    QVERIFY(settings.isWritable());
+    }
+
+    QVERIFY(f.open(QFile::WriteOnly));
+    f.write("NotOK");
+    f.close();
+
+    {
+    QSettings settings(settingsPath("someDir/someSettings.custom3"), QSettings::CustomFormat3);
+    QCOMPARE(settings.status(), QSettings::FormatError);
+    QCOMPARE(settings.value("retval").toString(), QString());
+    QVERIFY(settings.isWritable());
+    }
+
+    QVERIFY(f.open(QFile::WriteOnly));
+    f.write("OK");
+    f.close();
+
+    {
+    QSettings settings(settingsPath("someDir/someSettings.custom3"), QSettings::CustomFormat3);
+    QCOMPARE(settings.status(), QSettings::NoError);
+    settings.setValue("zzz", "bar");
+    settings.sync();
+    QCOMPARE(settings.status(), QSettings::NoError);
+
+    settings.setValue("retval", "NotOK");
+    settings.sync();
+    QCOMPARE(settings.status(), QSettings::AccessError);
+
+    QCOMPARE(settings.value("retval").toString(), QString("NotOK"));
+    QVERIFY(settings.isWritable());
+    }
+
+    {
+    QSettings settings(settingsPath("someDir/someSettings.custom3"), QSettings::CustomFormat4);
+    QCOMPARE(settings.status(), QSettings::AccessError);
+    QVERIFY(!settings.isWritable());
+    }
+}
+
+void tst_QSettings::setPath()
+{
+#define TEST_PATH(doSet, ext, format, scope, path) \
+    { \
+    if (doSet) \
+        QSettings::setPath(QSettings::format, QSettings::scope, settingsPath(path)); \
+    QSettings settings1(QSettings::format, QSettings::scope, "software.org", "KillerAPP"); \
+    QCOMPARE(QDir(settings1.fileName()), QDir(settingsPath(path) + QDir::separator() + "software.org" \
+                                  + QDir::separator() + "KillerAPP." + ext)); \
+    }
+
+    /*
+        The first pass checks that setPath() works; the second
+        path checks that it has no bad side effects.
+    */
+    for (int i = 0; i < 2; ++i) {
+#if !defined(Q_OS_WIN) && !defined(Q_OS_MAC)
+        TEST_PATH(i == 0, "conf", NativeFormat, UserScope, "alpha")
+        TEST_PATH(i == 0, "conf", NativeFormat, SystemScope, "beta")
+#endif
+        TEST_PATH(i == 0, "ini", IniFormat, UserScope, "gamma")
+        TEST_PATH(i == 0, "ini", IniFormat, SystemScope, "omicron")
+        TEST_PATH(i == 0, "custom1", CustomFormat1, UserScope, "epsilon")
+        TEST_PATH(i == 0, "custom1", CustomFormat1, SystemScope, "zeta")
+        TEST_PATH(i == 0, "custom2", CustomFormat2, UserScope, "eta")
+        TEST_PATH(i == 0, "custom2", CustomFormat2, SystemScope, "iota")
+    }
+}
+
+void tst_QSettings::setDefaultFormat()
+{
+    QVERIFY(QSettings::defaultFormat() == QSettings::NativeFormat);
+
+    QSettings::setDefaultFormat(QSettings::CustomFormat1);
+    QSettings settings1("org", "app");
+    QSettings settings2(QSettings::SystemScope, "org", "app");
+    QSettings settings3;
+
+    QVERIFY(settings1.format() == QSettings::NativeFormat);
+    QVERIFY(settings2.format() == QSettings::NativeFormat);
+    QVERIFY(settings3.format() == QSettings::CustomFormat1);
+
+    QSettings::setDefaultFormat(QSettings::NativeFormat);
+    QVERIFY(QSettings::defaultFormat() == QSettings::NativeFormat);
+
+    QVERIFY(settings1.format() == QSettings::NativeFormat);
+    QVERIFY(settings2.format() == QSettings::NativeFormat);
+    QVERIFY(settings3.format() == QSettings::CustomFormat1);
+}
+
+void tst_QSettings::dontCreateNeedlessPaths()
+{
+    QString path;
+    {
+        QSettings settings(QSettings::IniFormat, QSettings::UserScope, "Hello", "Test");
+        QVariant val = settings.value("foo", "bar");
+        path = settings.fileName();
+    }
+
+    QFileInfo fileInfo(path);
+    QVERIFY(!fileInfo.dir().exists());
+}
+
+#if !defined(Q_OS_WIN) && !defined(Q_OS_SYMBIAN)
+void tst_QSettings::dontReorderIniKeysNeedlessly()
+{
+#ifdef  QT_QSETTINGS_ALWAYS_CASE_SENSITIVE_AND_FORGET_ORIGINAL_KEY_ORDER
+    QSKIP("This Qt build does not preserve ordering, as a code size optimization.", SkipAll);
+#endif
+
+    /*
+        This is a very strong test. It asserts that modifying
+        resourcefile2.ini will lead to the exact contents of
+        resourcefile3.ini. Right now it's run only on Unix
+        systems, but that should be enough since the INI
+        code (unlike this test) is platform-agnostic.
+
+        Things that are tested:
+
+            * keys are written in the same order that they were
+              read in
+
+            * new keys are put at the end of their respective
+              sections
+    */
+
+    QFile inFile(":/resourcefile2.ini");
+    inFile.open(QIODevice::ReadOnly);
+    QByteArray contentsBefore = inFile.readAll();
+    inFile.close();
+
+    QByteArray expectedContentsAfter;
+
+    {
+        QFile inFile(":/resourcefile3.ini");
+        inFile.open(QIODevice::ReadOnly);
+        expectedContentsAfter = inFile.readAll();
+        inFile.close();
+    }
+
+    QString outFileName;
+    QString outFileName2;
+
+    QTemporaryFile outFile;
+    outFile.open();
+    outFile.write(contentsBefore);
+    outFileName = outFile.fileName();
+    outFile.close();
+
+    QSettings settings(outFileName, QSettings::IniFormat);
+    QVERIFY(settings.status() == QSettings::NoError);
+    QVERIFY(settings.isWritable());
+
+    settings.setValue("Field 1/Bottom", 90);
+    settings.setValue("Field 1/x", 1);
+    settings.setValue("Field 1/y", 1);
+    settings.setValue("Field 1/width", 1);
+    settings.setValue("Field 1/height", 1);
+    settings.sync();
+
+    QFile outFile2(outFileName);
+    QVERIFY(outFile2.open(QIODevice::ReadOnly));
+    QCOMPARE(outFile2.readAll(), expectedContentsAfter);
+    outFile2.close();
+}
+#endif
+
+void tst_QSettings::rainersSyncBugOnMac_data()
+{
+    ctor_data();
+}
+
+void tst_QSettings::rainersSyncBugOnMac()
+{
+    QFETCH(QSettings::Format, format);
+
+    QString fileName;
+
+    {
+        QSettings s1(format, QSettings::UserScope, "software.org", "KillerAPP");
+        QCOMPARE(s1.value("key1", 5).toInt(), 5);
+        fileName = s1.fileName();
+    }
+
+    {
+        QSettings s2(fileName, format);
+        s2.setValue("key1", 25);
+    }
+
+    {
+        QSettings s3(format, QSettings::UserScope, "software.org", "KillerAPP");
+        QCOMPARE(s3.value("key1", 30).toInt(), 25);
+    }
+}
+
+void tst_QSettings::recursionBug()
+{
+    QPixmap pix(10,10);
+    pix.fill("blue");
+
+    {
+        QSettings settings(settingsPath("starrunner.ini"), QSettings::IniFormat);
+        settings.setValue("General/Pixmap", pix );
+    }
+}
+
+#ifdef QT3_SUPPORT
+void tst_QSettings::setPathBug()
+{
+    QSettings settings("software.org", "KillerAPP", this);
+    settings.setPath("foo.org", "Bar", QSettings::User);
+    QVERIFY(settings.parent() == this);
+    settings.setValue("blah", "BAZ");
+    settings.setPath("bar.org", "Baz", QSettings::User);
+    settings.setValue("blah", "BAZ");
+    QVERIFY(settings.parent() == this);
+}
+#endif
+
+/*
+// Not tested at the moment.
+void tst_QSettings::oldSubkeyList()
+{
+    QVERIFY( TRUE );
+}
+*/
+
+QTEST_MAIN(tst_QSettings)
+#include "tst_qsettings.moc"
+
+
+// foo