greenplumn CAutoRefTest 源码
greenplumn CAutoRefTest 代码
文件路径：/src/backend/gporca/libgpos/server/src/unittest/gpos/common/CAutoRefTest.cpp
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2009 Greenplum, Inc.
//
// @filename:
// CAutoRefTest.cpp
//
// @doc:
// Tests for CAutoRef
//---------------------------------------------------------------------------
#include "unittest/gpos/common/CAutoRefTest.h"
#include "gpos/base.h"
#include "gpos/common/CAutoRef.h"
#include "gpos/memory/CAutoMemoryPool.h"
#include "gpos/test/CUnittest.h"
using namespace gpos;
//---------------------------------------------------------------------------
// @function:
// CAutoRef::EresUnittest
//
// @doc:
// Unittest for reference counted auto pointers
//
//---------------------------------------------------------------------------
GPOS_RESULT
CAutoRefTest::EresUnittest()
{
CUnittest rgut[] = {GPOS_UNITTEST_FUNC(CAutoRefTest::EresUnittest_Basics)};
return CUnittest::EresExecute(rgut, GPOS_ARRAY_SIZE(rgut));
}
//---------------------------------------------------------------------------
// @function:
// CAutoRefTest::EresUnittest_Basics
//
// @doc:
// Various basic operations
//
//---------------------------------------------------------------------------
GPOS_RESULT
CAutoRefTest::EresUnittest_Basics()
{
// create memory pool
CAutoMemoryPool amp;
CMemoryPool *mp = amp.Pmp();
// assignment
CAutoRef<CElem> aelem;
CElem *pelem = GPOS_NEW(mp) CElem(0);
aelem = pelem;
GPOS_ASSERT(aelem->m_ul == pelem->m_ul);
GPOS_ASSERT(&aelem->m_ul == &pelem->m_ul);
#ifdef GPOS_DEBUG
CElem *pelem2 = &(*pelem);
GPOS_ASSERT(pelem2 == pelem);
#endif // GPOS_DEBUG
// hand reference over to other auto ref count
CAutoRef<CElem> aelem2;
aelem2 = aelem.Reset();
// c'tor
CAutoRef<CElem> aelem3(GPOS_NEW(mp) CElem(10));
GPOS_ASSERT(aelem3->m_ul == ULONG(10));
return GPOS_OK;
}
// EOF
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