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diff --git a/sources/shiboken2/tests/libsmart/smart_sharedptr.h b/sources/shiboken2/tests/libsmart/smart_sharedptr.h
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+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite of Qt for Python.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SMART_SHARED_PTR_H
+#define SMART_SHARED_PTR_H
+
+#include "libsmartmacros.h"
+
+template <class T>
+class RefData {
+public:
+    RefData(T *ptr) :  m_refCount(1), m_heldPtr(ptr) {}
+    ~RefData() { delete m_heldPtr; }
+    int inc() { return ++m_refCount; }
+    int dec() { return --m_refCount; }
+    int useCount() { return m_refCount; }
+    int m_refCount;
+    T *m_heldPtr;
+};
+
+struct SharedPtrBase
+{
+    LIB_SMART_API static void logDefaultConstructor(const void *t);
+    LIB_SMART_API static void logConstructor(const void *t, const void *pointee);
+    LIB_SMART_API static void logCopyConstructor(const void *t, const void *refData);
+    LIB_SMART_API static void logAssignment(const void *t, const void *refData);
+    LIB_SMART_API static void logDestructor(const void *t, int remainingRefCount);
+};
+
+template <class T>
+class SharedPtr : public SharedPtrBase {
+public:
+    SharedPtr() { logDefaultConstructor(this); }
+
+    SharedPtr(T *v)
+    {
+        logConstructor(this, v);
+        if (v)
+            m_refData = new RefData<T>(v);
+    }
+
+    SharedPtr(const SharedPtr<T> &other) : m_refData(other.m_refData)
+    {
+        logCopyConstructor(this, other.m_refData);
+        if (m_refData)
+            m_refData->inc();
+    }
+
+    SharedPtr<T> &operator=(const SharedPtr<T>& other)
+    {
+        if (this != &other) {
+            logAssignment(this, other.m_refData);
+            if (m_refData && m_refData->dec() == 0)
+               delete m_refData;
+            m_refData = other.m_refData;
+            if (m_refData)
+                m_refData->inc();
+        }
+        return *this;
+    }
+
+    T *data() const
+    {
+        return m_refData ? m_refData->m_heldPtr : nullptr;
+    }
+
+    int useCount() const
+    {
+        return m_refData ? m_refData->useCount() : 0;
+    }
+
+    void dummyMethod1()
+    {
+
+    }
+
+    T& operator*() const
+    {
+        // Crashes if smart pointer is empty (just like std::shared_ptr).
+        return *(m_refData->m_heldPtr);
+    }
+
+    T *operator->() const
+    {
+        return m_refData ? m_refData->m_heldPtr : nullptr;
+    }
+
+    bool operator!() const
+    {
+        return !m_refData || !m_refData->m_heldPtr;
+    }
+
+    bool isNull() const
+    {
+        return !m_refData || !m_refData->m_heldPtr;
+    }
+
+    operator bool() const
+    {
+        return m_refData && m_refData->m_heldPtr;
+    }
+
+    ~SharedPtr()
+    {
+        if (m_refData)
+            logDestructor(this, m_refData->useCount() - 1);
+        if (m_refData && m_refData->dec() == 0)
+           delete m_refData;
+    }
+
+private:
+    RefData<T> *m_refData = nullptr;
+};
+
+#endif // SMART_SHARED_PTR_H