qt5base-lts/tests/auto/cmake/tst_qaddpreroutine/plugin.cpp
JiDe Zhang 22e967c304 fix: The QtStartUpFunction function may be called repeatedly
Don't call pre routine function in qAddPreRoutine if
the qt_call_pre_routines is not called

Pick-to: 6.1 6.0
Task-number: QTBUG-90341
Change-Id: I0ee70561dc57b857f8b3b1cf42c9dfe0cf45bd49
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2021-04-23 18:51:30 +02:00

71 lines
2.5 KiB
C++

/****************************************************************************
**
** Copyright (C) 2021 zccrs <zccrs@live.com>, JiDe Zhang <zhangjide@uniontech.com>.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
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#include <qpa/qplatformthemeplugin.h>
#include <qpa/qplatformtheme.h>
#include <QCoreApplication>
QT_BEGIN_NAMESPACE
// The "test_function_call_count" property will be used in the "tst_qaddpreroutine.cpp".
// This plugin is part of the test case. It is used to call qAddPreRoutine through
// Q_COREAPP_STARTUP_FUNCTION on the plugin loading. Please treat it as a whole
// with "tst_qaddpreroutine.cpp".
static void test()
{
Q_ASSERT(qApp != nullptr);
int call_count = qApp->property("test_function_call_count").toInt();
// Record the number of times A is called, in this example, it should be called only once.
qApp->setProperty("test_function_call_count", call_count + 1);
}
Q_COREAPP_STARTUP_FUNCTION(test)
class ThemePlugin : public QPlatformThemePlugin
{
Q_OBJECT
Q_PLUGIN_METADATA(IID QPlatformThemeFactoryInterface_iid FILE "plugin.json")
public:
QPlatformTheme *create(const QString &key, const QStringList &params) override;
};
QPlatformTheme *ThemePlugin::create(const QString &key, const QStringList &params)
{
Q_UNUSED(key)
Q_UNUSED(params);
// Used to verify whether this plugin was successfully loaded.
qputenv("QTBUG_90341_ThemePlugin", "1");
return new QPlatformTheme();
}
QT_END_NAMESPACE
#include "plugin.moc"