KConfig: fix using KSharedConfig in global object destructor.

ksharedconfig_in_global_object.cpp is now in kdelibs4 too
(where it works) and reproduces Albert's KgDifficulty testcase.

CHANGELOG: fix assert when using KSharedConfig in a global object destructor.
REVIEW: 122232

1 files changed, 62 insertions, 0 deletions

diff --git a/autotests/ksharedconfig_in_global_object.cpp b/autotests/ksharedconfig_in_global_object.cpp
new file mode 100644
index 00000000..7a4f66bf
--- /dev/null
+++ b/autotests/ksharedconfig_in_global_object.cpp
@@ -0,0 +1,62 @@
+/*  This file is part of the KDE project
+    Copyright (C) 2007 Matthias Kretz <kretz@kde.org>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License version 2 as published by the Free Software Foundation.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+
+*/
+
+#include <QtCore/QCoreApplication>
+#include <QtCore/QtGlobal>
+#include <QTimer>
+#include <ksharedconfig.h>
+#include <kconfiggroup.h>
+#include <stdio.h>
+
+class Tester
+{
+public:
+    void initConfig();
+    ~Tester();
+};
+
+void Tester::initConfig()
+{
+    fprintf(stderr, "app Tester\n");
+    KConfigGroup group(KSharedConfig::openConfig(), "test");
+    group.writeEntry("test", 0);
+}
+
+Tester::~Tester()
+{
+    fprintf(stderr, "app ~Tester\n");
+    KConfigGroup group(KSharedConfig::openConfig(), "test");
+    group.writeEntry("test", 1);
+}
+
+Q_GLOBAL_STATIC(Tester, globalTestObject)
+
+int main(int argc, char **argv)
+{
+    qputenv("QT_FATAL_WARNINGS", "1");
+    QCoreApplication app(argc, argv);
+
+    KSharedConfig::Ptr config = KSharedConfig::openConfig();
+
+    Tester *t = globalTestObject();
+    t->initConfig();
+
+    QTimer::singleShot(0, qApp, SLOT(quit()));
+    return app.exec();
+}