greenplumn CBitSetIterTest 代码
文件路径：/src/backend/gporca/libgpos/server/src/unittest/gpos/common/CBitSetIterTest.cpp
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2009 Greenplum, Inc.
/
/ @filename:
/ CBitSetIterTest.cpp
/
/ @doc:
/ Test of bitset iterator
/---------------------------------------------------------------------------
#include "unittest/gpos/common/CBitSetIterTest.h"
#include "gpos/base.h"
#include "gpos/common/CAutoRef.h"
#include "gpos/common/CBitSetIter.h"
#include "gpos/memory/CAutoMemoryPool.h"
#include "gpos/test/CUnittest.h"
using namespace gpos;
/---------------------------------------------------------------------------
/ @function:
/ CBitSetIter::EresUnittest
/
/ @doc:
/ Unittest for bit vectors
/
/---------------------------------------------------------------------------
GPOS_RESULT
CBitSetIterTest::EresUnittest()
{
CUnittest rgut[] = {
GPOS_UNITTEST_FUNC(CBitSetIterTest::EresUnittest_Basics),
#ifdef GPOS_DEBUG
GPOS_UNITTEST_FUNC_ASSERT(CBitSetIterTest::EresUnittest_Uninitialized),
GPOS_UNITTEST_FUNC_ASSERT(CBitSetIterTest::EresUnittest_Overrun)
#endif / GPOS_DEBUG
};
return CUnittest::EresExecute(rgut, GPOS_ARRAY_SIZE(rgut));
}
/---------------------------------------------------------------------------
/ @function:
/ CBitSetIterTest::EresUnittest_Basics
/
/ @doc:
/ Testing ctors/dtor
/
/---------------------------------------------------------------------------
GPOS_RESULT
CBitSetIterTest::EresUnittest_Basics()
{
/ create memory pool
CAutoMemoryPool amp;
CMemoryPool *mp = amp.Pmp();
ULONG vector_size = 32;
CBitSet *pbs = GPOS_NEW(mp) CBitSet(mp, vector_size);
ULONG cInserts = 10;
for (ULONG i = 0; i < cInserts; i++)
{
/ forces addition of new link
pbs->ExchangeSet(i * vector_size);
}
ULONG cCount = 0;
CBitSetIter bsi(*pbs);
while (bsi.Advance())
{
GPOS_ASSERT(bsi.Bit() == (bsi.Bit() / vector_size) * vector_size);
GPOS_ASSERT((BOOL) bsi);
cCount++;
}
GPOS_ASSERT(cInserts == cCount);
GPOS_ASSERT(!((BOOL) bsi));
pbs->Release();
return GPOS_OK;
}
#ifdef GPOS_DEBUG
/---------------------------------------------------------------------------
/ @function:
/ CBitSetIterTest::EresUnittest_Uninitialized
/
/ @doc:
/ Test for uninitialized access
/
/---------------------------------------------------------------------------
GPOS_RESULT
CBitSetIterTest::EresUnittest_Uninitialized()
{
/ create memory pool
CAutoMemoryPool amp;
CMemoryPool *mp = amp.Pmp();
ULONG vector_size = 32;
CAutoRef<CBitSet> a_pbs;
CBitSet *pbs = GPOS_NEW(mp) CBitSet(mp, vector_size);
a_pbs = pbs;
CBitSetIter bsi(*pbs);
/ this throws
bsi.Bit();
return GPOS_FAILED;
}
/---------------------------------------------------------------------------
/ @function:
/ CBitSetIterTest::EresUnittest_Overrun
/
/ @doc:
/ Test for calling Advance on exhausted iter
/
/---------------------------------------------------------------------------
GPOS_RESULT
CBitSetIterTest::EresUnittest_Overrun()
{
/ create memory pool
CAutoMemoryPool amp;
CMemoryPool *mp = amp.Pmp();
ULONG vector_size = 32;
CAutoRef<CBitSet> a_pbs;
CBitSet *pbs = GPOS_NEW(mp) CBitSet(mp, vector_size);
a_pbs = pbs;
CBitSetIter bsi(*pbs);
while (bsi.Advance())
{
}
/ this throws
bsi.Advance();
return GPOS_FAILED;
}
#endif / GPOS_DEBUG
/ EOF
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