1 files changed, 45 insertions, 0 deletions
diff --git a/tests/auto/cmake/tst_qaddpreroutine/plugin.cpp b/tests/auto/cmake/tst_qaddpreroutine/plugin.cpp
new file mode 100644
index 0000000000..1647d8d3a8
--- /dev/null
+++ b/tests/auto/cmake/tst_qaddpreroutine/plugin.cpp
@@ -0,0 +1,45 @@
+// Copyright (C) 2021 zccrs <zccrs@live.com>, JiDe Zhang <zhangjide@uniontech.com>.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#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"