greenplumn CMessageTest 源码

2022-08-18
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greenplumn CMessageTest 代码

文件路径：/src/backend/gporca/libgpos/server/src/unittest/gpos/error/CMessageTest.cpp

//---------------------------------------------------------------------------
//	Greenplum Database
//	Copyright (C) 2008 - 2010 Greenplum, Inc.
//
//	@filename:
//		CMessageTest.cpp
//
//	@doc:
//		Tests for CMessage
//---------------------------------------------------------------------------

#include "unittest/gpos/error/CMessageTest.h"

#include "gpos/assert.h"
#include "gpos/error/CMessage.h"
#include "gpos/memory/CAutoMemoryPool.h"
#include "gpos/test/CUnittest.h"


using namespace gpos;

//---------------------------------------------------------------------------
//	@function:
//		CMessageTest::EresUnittest
//
//	@doc:
//		Function for raising assert exceptions; again, encapsulated in a function
//		to facilitate debugging
//
//---------------------------------------------------------------------------
GPOS_RESULT
CMessageTest::EresUnittest()
{
	CUnittest rgut[] = {
		GPOS_UNITTEST_FUNC(CMessageTest::EresUnittest_BasicWrapper),
	};

	return CUnittest::EresExecute(rgut, GPOS_ARRAY_SIZE(rgut));
}


//---------------------------------------------------------------------------
//	@function:
//		CMessageTest::EresUnittest_BasicWrapper
//
//	@doc:
//		Wrapper around basic test to provide va_list arguments
//
//---------------------------------------------------------------------------
GPOS_RESULT
CMessageTest::EresUnittest_BasicWrapper()
{
	// create memory pool of 128KB
	CAutoMemoryPool amp;
	CMemoryPool *mp = amp.Pmp();

	return EresUnittest_Basic(mp,
							  // parameters to Assert message
							  __FILE__, __LINE__, GPOS_WSZ_LIT("!true"));
}


//---------------------------------------------------------------------------
//	@function:
//		CMessageTest::EresUnittest_Basic
//
//	@doc:
//
//---------------------------------------------------------------------------
GPOS_RESULT
CMessageTest::EresUnittest_Basic(const void *pv, ...)
{
	const ULONG size = 2048;

	CMemoryPool *mp = (CMemoryPool *) pv;

	// take pre-defined assertion exc message
	CMessage *pmsg = CMessage::GetMessage(CException::ExmiAssert);

	GPOS_ASSERT(GPOS_MATCH_EX(pmsg->m_exception, CException::ExmaSystem,
							  CException::ExmiAssert));

	// target buffer for format test
	WCHAR *wsz = GPOS_NEW_ARRAY(mp, WCHAR, size);
	CWStringStatic wss(wsz, size);

	VA_LIST vl;
	VA_START(vl, pv);

	// manufacture an OOM message (no additional parameters)
	pmsg->Format(&wss, vl);

	VA_END(vl);

	GPOS_TRACE(wsz);

	GPOS_DELETE_ARRAY(wsz);

	return GPOS_OK;
}

// EOF

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