greenplumn CHashSetTest 源码

2022-08-18
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greenplumn CHashSetTest 代码

文件路径：/src/backend/gporca/libgpos/server/src/unittest/gpos/common/CHashSetTest.cpp

//---------------------------------------------------------------------------
//	Greenplum Database
//	Copyright (C) 2015 VMware, Inc. or its affiliates.
//
//	@filename:
//		CHashSetTest.cpp
//
//	@doc:
//		Test for CHashSet
//
//	@owner:
//		solimm1
//
//	@test:
//
//
//---------------------------------------------------------------------------

#include "unittest/gpos/common/CHashSetTest.h"

#include "gpos/base.h"
#include "gpos/common/CHashSet.h"
#include "gpos/memory/CAutoMemoryPool.h"
#include "gpos/test/CUnittest.h"

using namespace gpos;

//---------------------------------------------------------------------------
//	@function:
//		CHashSetTest::EresUnittest
//
//	@doc:
//		Unittest for basic hash set
//
//---------------------------------------------------------------------------
GPOS_RESULT
CHashSetTest::EresUnittest()
{
	CUnittest rgut[] = {
		GPOS_UNITTEST_FUNC(CHashSetTest::EresUnittest_Basic),
		GPOS_UNITTEST_FUNC(CHashSetTest::EresUnittest_Ownership),
	};

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


//---------------------------------------------------------------------------
//	@function:
//		CHashSetTest::EresUnittest_Basic
//
//	@doc:
//		Basic insertion/lookup test
//
//---------------------------------------------------------------------------
GPOS_RESULT
CHashSetTest::EresUnittest_Basic()
{
	// create memory pool
	CAutoMemoryPool amp;
	CMemoryPool *mp = amp.Pmp();

	// test with ULONG array
	ULONG_PTR rgul[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};

	const ULONG ulCnt = GPOS_ARRAY_SIZE(rgul);

	using UlongPtrHashSet = CHashSet<ULONG_PTR, HashPtr<ULONG_PTR>,
									 Equals<ULONG_PTR>, CleanupNULL<ULONG_PTR>>;

	UlongPtrHashSet *phs = GPOS_NEW(mp) UlongPtrHashSet(mp, 128);
	for (ULONG ul = 0; ul < ulCnt; ul++)
	{
		BOOL fSuccess GPOS_ASSERTS_ONLY = phs->Insert(&rgul[ul]);
		GPOS_ASSERT(fSuccess);
	}
	GPOS_ASSERT(ulCnt == phs->Size());

	for (ULONG ul = 0; ul < ulCnt; ul++)
	{
		GPOS_ASSERT(phs->Contains(&rgul[ul]));
	}

	phs->Release();

	return GPOS_OK;
}


//---------------------------------------------------------------------------
//	@function:
//		CHashSetTest::EresUnittest_Ownership
//
//	@doc:
//		Basic hash set test with ownership
//
//---------------------------------------------------------------------------
GPOS_RESULT
CHashSetTest::EresUnittest_Ownership()
{
	// create memory pool
	CAutoMemoryPool amp;
	CMemoryPool *mp = amp.Pmp();

	ULONG ulCnt = 256;

	using UlongPtrHashSet =
		CHashSet<ULONG_PTR, HashPtr<ULONG_PTR>, Equals<ULONG_PTR>,
				 CleanupDelete<ULONG_PTR>>;

	UlongPtrHashSet *phs = GPOS_NEW(mp) UlongPtrHashSet(mp, 32);
	for (ULONG ul = 0; ul < ulCnt; ul++)
	{
		ULONG_PTR *pulp = GPOS_NEW(mp) ULONG_PTR(ul);

		BOOL fSuccess GPOS_ASSERTS_ONLY = phs->Insert(pulp);

		GPOS_ASSERT(fSuccess);
		GPOS_ASSERT(phs->Contains(pulp));

		// can't insert existing keys
		GPOS_ASSERT(!phs->Insert(pulp));
	}

	phs->Release();

	return GPOS_OK;
}

// EOF

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