greenplumn COstreamStringTest 源码

2022-08-18
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greenplumn COstreamStringTest 代码

文件路径：/src/backend/gporca/libgpos/server/src/unittest/gpos/io/COstreamStringTest.cpp

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

#include "unittest/gpos/io/COstreamStringTest.h"

#include "gpos/assert.h"
#include "gpos/error/CMessage.h"
#include "gpos/io/COstreamString.h"
#include "gpos/memory/CAutoMemoryPool.h"
#include "gpos/string/CWStringConst.h"
#include "gpos/string/CWStringDynamic.h"
#include "gpos/test/CUnittest.h"

using namespace gpos;

//---------------------------------------------------------------------------
//	@function:
//		COstreamStringTest::EresUnittest
//
//	@doc:
//		Function for raising assert exceptions; again, encapsulated in a function
//		to facilitate debugging
//
//---------------------------------------------------------------------------
GPOS_RESULT
COstreamStringTest::EresUnittest()
{
	CUnittest rgut[] = {
		GPOS_UNITTEST_FUNC(COstreamStringTest::EresUnittest_Basic),
#if defined(GPOS_DEBUG) && defined(__GLIBCXX__)
		GPOS_UNITTEST_FUNC_ASSERT(COstreamStringTest::EresUnittest_EndlAssert),
#endif
	};

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


//---------------------------------------------------------------------------
//	@function:
//		COstreamStringTest::EresUnittest_Basic
//
//	@doc:
//		test for non-string/non-number types;
//
//---------------------------------------------------------------------------
GPOS_RESULT
COstreamStringTest::EresUnittest_Basic()
{
	// create memory pool of 128KB
	CAutoMemoryPool amp;
	CMemoryPool *mp = amp.Pmp();

	CWStringDynamic str(mp);

	// define basic stream over wide char out stream
	COstreamString osb(&str);

	// non-string, non-number types
	WCHAR wc = 'W';
	CHAR c = 'C';
	ULONG ul = 102;
	INT i = -10;
	WCHAR wc_array[] = GPOS_WSZ_LIT("some regular string");
	INT hex = 0xdeadbeef;

	osb << wc << c << ul << i << wc_array << COstream::EsmHex << hex;

	CWStringConst sexp(GPOS_WSZ_LIT("WC102-10some regular stringdeadbeef"));

	GPOS_ASSERT(str.Equals(&sexp) &&
				"Constructed string does not match expected output");

	return GPOS_OK;
}

#if defined(GPOS_DEBUG) && defined(__GLIBCXX__)
//---------------------------------------------------------------------------
//	@function:
//		COstreamStringTest::EresUnittest_EndlAssert
//
//	@doc:
//		Only allow std::endl
//
//---------------------------------------------------------------------------
GPOS_RESULT
COstreamStringTest::EresUnittest_EndlAssert()
{
	// create memory pool of 1KB
	CAutoMemoryPool amp;
	CMemoryPool *mp = amp.Pmp();

	CWStringDynamic str(mp);

	// define basic stream over wide char out stream
	COstreamString osb(&str);

	osb << std::ends;

	return GPOS_FAILED;
}
#endif

// EOF

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本文标签： greenplum
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