//---------------------------------------------------------------------------
// @function:
// CBitVectorTest::EresUnittest_Random
//
// @doc:
// Test with random bit vectors to avoid patterns
//
//---------------------------------------------------------------------------
GPOS_RESULT
CBitVectorTest::EresUnittest_Random()
{
// create memory pool
CAutoMemoryPool amp;
IMemoryPool *pmp = amp.Pmp();
// set up control vector
ULONG cTotal = 10000;
CHAR *rg = GPOS_NEW_ARRAY(pmp, CHAR, cTotal);
CRandom rand;
clib::PvMemSet(rg, 0 , cTotal);
// set random chars in the control vector
for (ULONG i = 0; i < cTotal * 0.2; i++)
{
ULONG index = rand.ULNext() % (cTotal - 1);
GPOS_ASSERT(index < cTotal);
rg[index] = 1;
}
ULONG cElements = 0;
CBitVector bv(pmp, cTotal);
for (ULONG i = 0; i < cTotal; i++)
{
if (1 == rg[i])
{
bv.FExchangeSet(i);
cElements++;
}
}
GPOS_ASSERT(cElements == bv.CElements());
ULONG ulCursor = 0;
while(bv.FNextBit(ulCursor + 1, ulCursor))
{
GPOS_ASSERT(1 == rg[ulCursor]);
cElements--;
}
GPOS_ASSERT(0 == cElements);
GPOS_DELETE_ARRAY(rg);
return GPOS_OK;
}
//---------------------------------------------------------------------------
// @function:
// CXMLSerializerTest::EresUnittest_Base64
//
// @doc:
// Testing base64 encoding and decoding
//
//---------------------------------------------------------------------------
GPOS_RESULT
CXMLSerializerTest::EresUnittest_Base64()
{
CAutoMemoryPool amp;
IMemoryPool *pmp = amp.Pmp();
const ULONG ulraSize=5;
ULONG rgulRandArr[ulraSize];
CRandom cr;
for (ULONG i=0;i<ulraSize;i++)
{
rgulRandArr[i] = cr.ULNext();
}
CWStringDynamic *pstr = CDXLUtils::PstrFromByteArray(pmp, (BYTE *) rgulRandArr, sizeof(rgulRandArr));
ULONG len;
ULONG *pulRandArrCopy = (ULONG *) CDXLUtils::PByteArrayFromStr(pmp, pstr, &len);
GPOS_ASSERT(len == sizeof(rgulRandArr));
for (ULONG i=0;i<ulraSize;i++)
{
if (rgulRandArr[i] != pulRandArrCopy[i])
{
return GPOS_FAILED;
}
}
GPOS_DELETE(pstr);
GPOS_DELETE_ARRAY(pulRandArrCopy);
INT i = 1000;
pstr = CDXLUtils::PstrFromByteArray(pmp, (BYTE *) &i, sizeof(i));
gpos::oswcout << "Base64 encoding of " << i << " is " << pstr->Wsz() << std::endl;
GPOS_DELETE(pstr);
return GPOS_OK;
}
