//---------------------------------------------------------------------------
//	Greenplum Database
//	Copyright (C) 2008 Greenplum, Inc.
//
//	@filename:
//		CRefCount.h
//
//	@doc:
//      Test for CRefCount
//---------------------------------------------------------------------------
#ifndef GPOS_CRefCountTest_H
#define GPOS_CRefCountTest_H

#include "gpos/base.h"
#include "gpos/common/CRefCount.h"

namespace gpos
{
//---------------------------------------------------------------------------
//	@class:
//		CRefCountTest
//
//	@doc:
//		Static unit tests
//
//---------------------------------------------------------------------------
class CRefCountTest
{
private:
	//---------------------------------------------------------------------------
	//	@class:
	//		CDeletableTest
	//
	//	@doc:
	//		Local class for testing deletable/undeletable objects
	//
	//---------------------------------------------------------------------------
	class CDeletableTest : public CRefCount
	{
	private:
		// is calling object's destructor allowed?
		BOOL m_fDeletable{false};

	public:
		// ctor
		CDeletableTest() = default;

		// return true if calling object's destructor is allowed
		BOOL
		Deletable() const override
		{
			return m_fDeletable;
		}

		// allow calling object's destructor
		void
		AllowDeletion()
		{
			m_fDeletable = true;
		}

	};	// class CDeletableTest


public:
	// unittests
	static GPOS_RESULT EresUnittest();
	static GPOS_RESULT EresUnittest_CountUpAndDown();
	static GPOS_RESULT EresUnittest_DeletableObjects();

#ifdef GPOS_DEBUG
	static GPOS_RESULT EresUnittest_Stack();
	static GPOS_RESULT EresUnittest_Check();
#endif	// GPOS_DEBUG
};
}  // namespace gpos

#endif	// !GPOS_CRefCountTest_H

// EOF