void CMemTest::Zerofilling()
{
TestStruct* TSMas;
size_t CountElement;
CountErrors=0;
if (FullLog) REPORT("\nzeroings elements of array....");
//test struct
for (int i=0; i<COUNTEXPERIMENT; i++)
{
CountElement=rand()%MAX_SIZE;
TSMas=(TestStruct*)Tcalloc(CountElement,sizeof(TestStruct));
if (NULL == TSMas)
continue;
for (size_t j=0; j<CountElement; j++)
{
if (NonZero(TSMas+j, sizeof(TestStruct)))
{
CountErrors++;
if (ShouldReportError()) REPORT("detect nonzero element at TestStruct\n");
}
}
Tfree(TSMas);
}
if (CountErrors) REPORT("%s\n",strError);
else if (FullLog) REPORT("%s\n",strOk);
error_occurred |= ( CountErrors>0 ) ;
}
void CMemTest::InvariantDataRealloc(bool aligned)
{
size_t size, sizeMin;
CountErrors=0;
if (FullLog) REPORT("\nInvariant data by realloc....");
UCHAR* pchar;
sizeMin=size=rand()%MAX_SIZE+10;
pchar = aligned?
(UCHAR*)Taligned_realloc(NULL,size,choose_random_alignment())
: (UCHAR*)Trealloc(NULL,size);
if (NULL == pchar)
return;
for (size_t k=0; k<size; k++)
pchar[k]=(UCHAR)k%255+1;
for (int i=0; i<COUNTEXPERIMENT; i++)
{
size=rand()%MAX_SIZE+10;
UCHAR *pcharNew = aligned?
(UCHAR*)Taligned_realloc(pchar,size, choose_random_alignment())
: (UCHAR*)Trealloc(pchar,size);
if (NULL == pcharNew)
continue;
pchar = pcharNew;
sizeMin=size<sizeMin ? size : sizeMin;
for (size_t k=0; k<sizeMin; k++)
if (pchar[k] != (UCHAR)k%255+1)
{
CountErrors++;
if (ShouldReportError())
{
REPORT("stand '%c', must stand '%c'\n",pchar[k],(UCHAR)k%255+1);
REPORT("error: data changed (at %llu, SizeMin=%llu)\n",
(long long unsigned)k,(long long unsigned)sizeMin);
}
}
}
if (aligned)
Taligned_realloc(pchar,0,choose_random_alignment());
else
Trealloc(pchar,0);
if (CountErrors) REPORT("%s\n",strError);
else if (FullLog) REPORT("%s\n",strOk);
error_occurred |= ( CountErrors>0 ) ;
//REPORT("end check\n");
}
void CMemTest::Free_NULL()
{
CountErrors=0;
if (FullLog) REPORT("\ncall free with parameter NULL....");
errno = 0;
for (int i=0; i<COUNTEXPERIMENT; i++)
{
Tfree(NULL);
if (errno != 0)
{
CountErrors++;
if (ShouldReportError()) REPORT("error is found by a call free with parameter NULL\n");
}
}
if (CountErrors) REPORT("%s\n",strError);
else if (FullLog) REPORT("%s\n",strOk);
error_occurred |= ( CountErrors>0 ) ;
}
void CMemTest::UniquePointer()
{
CountErrors=0;
int **MasPointer = (int **)Tmalloc(sizeof(int*)*COUNT_ELEM);
size_t *MasCountElem = (size_t*)Tmalloc(sizeof(size_t)*COUNT_ELEM);
if (FullLog) REPORT("\nUnique pointer using 0\n");
ASSERT(MasCountElem && MasPointer, NULL);
//
//-------------------------------------------------------
//malloc
for (int i=0; i<COUNT_ELEM; i++)
{
MasCountElem[i]=rand()%MAX_SIZE;
MasPointer[i]=(int*)Tmalloc(MasCountElem[i]*sizeof(int));
if (NULL == MasPointer[i])
MasCountElem[i]=0;
memset(MasPointer[i], 0, sizeof(int)*MasCountElem[i]);
}
if (FullLog) REPORT("malloc....");
for (UINT i=0; i<COUNT_ELEM-1; i++)
{
if (size_t badOff = NonZero(MasPointer[i], sizeof(int)*MasCountElem[i])) {
CountErrors++;
if (ShouldReportError())
REPORT("error, detect non-zero at %p\n", (char*)MasPointer[i]+badOff-1);
}
memset(MasPointer[i], 1, sizeof(int)*MasCountElem[i]);
}
if (CountErrors) REPORT("%s\n",strError);
else if (FullLog) REPORT("%s\n",strOk);
error_occurred |= ( CountErrors>0 ) ;
//----------------------------------------------------------
//calloc
for (int i=0; i<COUNT_ELEM; i++)
Tfree(MasPointer[i]);
CountErrors=0;
for (long i=0; i<COUNT_ELEM; i++)
{
MasPointer[i]=(int*)Tcalloc(MasCountElem[i]*sizeof(int),2);
if (NULL == MasPointer[i])
MasCountElem[i]=0;
}
if (FullLog) REPORT("calloc....");
for (int i=0; i<COUNT_ELEM-1; i++)
{
if (size_t badOff = NonZero(MasPointer[i], sizeof(int)*MasCountElem[i])) {
CountErrors++;
if (ShouldReportError())
REPORT("error, detect non-zero at %p\n", (char*)MasPointer[i]+badOff-1);
}
memset(MasPointer[i], 1, sizeof(int)*MasCountElem[i]);
}
if (CountErrors) REPORT("%s\n",strError);
else if (FullLog) REPORT("%s\n",strOk);
error_occurred |= ( CountErrors>0 ) ;
//---------------------------------------------------------
//realloc
CountErrors=0;
for (int i=0; i<COUNT_ELEM; i++)
{
MasCountElem[i]*=2;
*(MasPointer+i)=
(int*)Trealloc(*(MasPointer+i),MasCountElem[i]*sizeof(int));
if (NULL == MasPointer[i])
MasCountElem[i]=0;
memset(MasPointer[i], 0, sizeof(int)*MasCountElem[i]);
}
if (FullLog) REPORT("realloc....");
for (int i=0; i<COUNT_ELEM-1; i++)
{
if (NonZero(MasPointer[i], sizeof(int)*MasCountElem[i]))
CountErrors++;
memset(MasPointer[i], 1, sizeof(int)*MasCountElem[i]);
}
if (CountErrors) REPORT("%s\n",strError);
else if (FullLog) REPORT("%s\n",strOk);
error_occurred |= ( CountErrors>0 ) ;
for (int i=0; i<COUNT_ELEM; i++)
Tfree(MasPointer[i]);
Tfree(MasCountElem);
Tfree(MasPointer);
}
void CMemTest::NULLReturn(UINT MinSize, UINT MaxSize, int total_threads)
{
const int MB_PER_THREAD = TOTAL_MB_ALLOC / total_threads;
// find size to guarantee getting NULL for 1024 B allocations
const int MAXNUM_1024 = (MB_PER_THREAD + (MB_PER_THREAD>>2)) * 1024;
std::vector<MemStruct> PointerList;
void *tmp;
CountErrors=0;
int CountNULL, num_1024;
if (FullLog) REPORT("\nNULL return & check errno:\n");
UINT Size;
Limit limit_total(TOTAL_MB_ALLOC), no_limit(0);
void **buf_1024 = (void**)Tmalloc(MAXNUM_1024*sizeof(void*));
ASSERT(buf_1024, NULL);
/* We must have space for pointers when memory limit is hit.
Reserve enough for the worst case, taking into account race for
limited space between threads.
*/
PointerList.reserve(TOTAL_MB_ALLOC*MByte/MinSize);
/* There is a bug in the specific version of GLIBC (2.5-12) shipped
with RHEL5 that leads to erroneous working of the test
on Intel64 and IPF systems when setrlimit-related part is enabled.
Switching to GLIBC 2.5-18 from RHEL5.1 resolved the issue.
*/
if (perProcessLimits)
limitBarrier->wait(limit_total);
else
limitMem(MB_PER_THREAD);
/* regression test against the bug in allocator when it dereference NULL
while lack of memory
*/
for (num_1024=0; num_1024<MAXNUM_1024; num_1024++) {
buf_1024[num_1024] = Tcalloc(1024, 1);
if (! buf_1024[num_1024]) {
ASSERT_ERRNO(errno == ENOMEM, NULL);
break;
}
}
for (int i=0; i<num_1024; i++)
Tfree(buf_1024[i]);
Tfree(buf_1024);
do {
Size=rand()%(MaxSize-MinSize)+MinSize;
tmp=Tmalloc(Size);
if (tmp != NULL)
{
myMemset(tmp, 0, Size);
PointerList.push_back(MemStruct(tmp, Size));
}
} while(tmp != NULL);
ASSERT_ERRNO(errno == ENOMEM, NULL);
if (FullLog) REPORT("\n");
// preparation complete, now running tests
// malloc
if (FullLog) REPORT("malloc....");
CountNULL = 0;
while (CountNULL==0)
for (int j=0; j<COUNT_TESTS; j++)
{
Size=rand()%(MaxSize-MinSize)+MinSize;
errno = ENOMEM+j+1;
tmp=Tmalloc(Size);
if (tmp == NULL)
{
CountNULL++;
if ( CHECK_ERRNO(errno != ENOMEM) ) {
CountErrors++;
if (ShouldReportError()) REPORT("NULL returned, error: errno (%d) != ENOMEM\n", errno);
}
}
else
{
// Technically, if malloc returns a non-NULL pointer, it is allowed to set errno anyway.
// However, on most systems it does not set errno.
bool known_issue = false;
#if __linux__
if( CHECK_ERRNO(errno==ENOMEM) ) known_issue = true;
#endif /* __linux__ */
if ( CHECK_ERRNO(errno != ENOMEM+j+1) && !known_issue) {
CountErrors++;
if (ShouldReportError()) REPORT("error: errno changed to %d though valid pointer was returned\n", errno);
}
myMemset(tmp, 0, Size);
PointerList.push_back(MemStruct(tmp, Size));
}
}
if (FullLog) REPORT("end malloc\n");
if (CountErrors) REPORT("%s\n",strError);
else if (FullLog) REPORT("%s\n",strOk);
error_occurred |= ( CountErrors>0 ) ;
CountErrors=0;
//calloc
if (FullLog) REPORT("calloc....");
CountNULL = 0;
while (CountNULL==0)
for (int j=0; j<COUNT_TESTS; j++)
{
Size=rand()%(MaxSize-MinSize)+MinSize;
errno = ENOMEM+j+1;
tmp=Tcalloc(COUNT_ELEM_CALLOC,Size);
if (tmp == NULL)
{
CountNULL++;
if ( CHECK_ERRNO(errno != ENOMEM) ){
CountErrors++;
if (ShouldReportError()) REPORT("NULL returned, error: errno(%d) != ENOMEM\n", errno);
}
}
else
{
// Technically, if calloc returns a non-NULL pointer, it is allowed to set errno anyway.
// However, on most systems it does not set errno.
bool known_issue = false;
#if __linux__
if( CHECK_ERRNO(errno==ENOMEM) ) known_issue = true;
#endif /* __linux__ */
if ( CHECK_ERRNO(errno != ENOMEM+j+1) && !known_issue ) {
CountErrors++;
if (ShouldReportError()) REPORT("error: errno changed to %d though valid pointer was returned\n", errno);
}
PointerList.push_back(MemStruct(tmp, Size));
}
}
if (FullLog) REPORT("end calloc\n");
if (CountErrors) REPORT("%s\n",strError);
else if (FullLog) REPORT("%s\n",strOk);
error_occurred |= ( CountErrors>0 ) ;
CountErrors=0;
if (FullLog) REPORT("realloc....");
CountNULL = 0;
if (PointerList.size() > 0)
while (CountNULL==0)
for (size_t i=0; i<(size_t)COUNT_TESTS && i<PointerList.size(); i++)
{
errno = 0;
tmp=Trealloc(PointerList[i].Pointer,PointerList[i].Size*2);
if (PointerList[i].Pointer == tmp) // the same place
{
bool known_issue = false;
#if __linux__
if( errno==ENOMEM ) known_issue = true;
#endif /* __linux__ */
if (errno != 0 && !known_issue) {
CountErrors++;
if (ShouldReportError()) REPORT("valid pointer returned, error: errno not kept\n");
}
PointerList[i].Size *= 2;
}
else if (tmp != PointerList[i].Pointer && tmp != NULL) // another place
{
bool known_issue = false;
#if __linux__
if( errno==ENOMEM ) known_issue = true;
#endif /* __linux__ */
if (errno != 0 && !known_issue) {
CountErrors++;
if (ShouldReportError()) REPORT("valid pointer returned, error: errno not kept\n");
}
// newly allocated area have to be zeroed
myMemset((char*)tmp + PointerList[i].Size, 0, PointerList[i].Size);
PointerList[i].Pointer = tmp;
PointerList[i].Size *= 2;
}
else if (tmp == NULL)
{
CountNULL++;
if ( CHECK_ERRNO(errno != ENOMEM) )
{
CountErrors++;
if (ShouldReportError()) REPORT("NULL returned, error: errno(%d) != ENOMEM\n", errno);
}
// check data integrity
if (NonZero(PointerList[i].Pointer, PointerList[i].Size)) {
CountErrors++;
if (ShouldReportError()) REPORT("NULL returned, error: data changed\n");
}
}
}
if (FullLog) REPORT("realloc end\n");
if (CountErrors) REPORT("%s\n",strError);
else if (FullLog) REPORT("%s\n",strOk);
error_occurred |= ( CountErrors>0 ) ;
for (UINT i=0; i<PointerList.size(); i++)
{
Tfree(PointerList[i].Pointer);
}
if (perProcessLimits)
limitBarrier->wait(no_limit);
else
limitMem(0);
}
void CMemTest::UniquePointer()
{
CountErrors=0;
int **MasPointer = (int **)Tmalloc(sizeof(int*)*COUNT_ELEM);
size_t *MasCountElem = (size_t*)Tmalloc(sizeof(size_t)*COUNT_ELEM);
if (FullLog) REPORT("\nUnique pointer using 0\n");
ASSERT(MasCountElem && MasPointer, NULL);
//
//-------------------------------------------------------
//malloc
for (int i=0; i<COUNT_ELEM; i++)
{
MasCountElem[i]=rand()%MAX_SIZE;
MasPointer[i]=(int*)Tmalloc(MasCountElem[i]*sizeof(int));
if (NULL == MasPointer[i])
MasCountElem[i]=0;
for (UINT j=0; j<MasCountElem[i]; j++)
*(MasPointer[i]+j)=0;
}
if (FullLog) REPORT("malloc....");
for (UINT i=0; i<COUNT_ELEM-1; i++)
{
for (UINT j=0; j<MasCountElem[i]; j++)
{
if (*(*(MasPointer+i)+j)!=0)
{
CountErrors++;
if (ShouldReportError()) REPORT("error, detect 1 with 0x%p\n",(*(MasPointer+i)+j));
}
*(*(MasPointer+i)+j)+=1;
}
}
if (CountErrors) REPORT("%s\n",strError);
else if (FullLog) REPORT("%s\n",strOk);
error_occurred |= ( CountErrors>0 ) ;
//----------------------------------------------------------
//calloc
for (int i=0; i<COUNT_ELEM; i++)
Tfree(MasPointer[i]);
CountErrors=0;
for (long i=0; i<COUNT_ELEM; i++)
{
MasPointer[i]=(int*)Tcalloc(MasCountElem[i]*sizeof(int),2);
if (NULL == MasPointer[i])
MasCountElem[i]=0;
}
if (FullLog) REPORT("calloc....");
for (int i=0; i<COUNT_ELEM-1; i++)
{
for (UINT j=0; j<*(MasCountElem+i); j++)
{
if (*(*(MasPointer+i)+j)!=0)
{
CountErrors++;
if (ShouldReportError()) REPORT("error, detect 1 with 0x%p\n",(*(MasPointer+i)+j));
}
*(*(MasPointer+i)+j)+=1;
}
}
if (CountErrors) REPORT("%s\n",strError);
else if (FullLog) REPORT("%s\n",strOk);
error_occurred |= ( CountErrors>0 ) ;
//---------------------------------------------------------
//realloc
CountErrors=0;
for (int i=0; i<COUNT_ELEM; i++)
{
MasCountElem[i]*=2;
*(MasPointer+i)=
(int*)Trealloc(*(MasPointer+i),MasCountElem[i]*sizeof(int));
if (NULL == MasPointer[i])
MasCountElem[i]=0;
for (UINT j=0; j<MasCountElem[i]; j++)
*(*(MasPointer+i)+j)=0;
}
if (FullLog) REPORT("realloc....");
for (int i=0; i<COUNT_ELEM-1; i++)
{
for (UINT j=0; j<*(MasCountElem+i); j++)
{
if (*(*(MasPointer+i)+j)!=0)
{
CountErrors++;
}
*(*(MasPointer+i)+j)+=1;
}
}
if (CountErrors) REPORT("%s\n",strError);
else if (FullLog) REPORT("%s\n",strOk);
error_occurred |= ( CountErrors>0 ) ;
for (int i=0; i<COUNT_ELEM; i++)
Tfree(MasPointer[i]);
Tfree(MasCountElem);
Tfree(MasPointer);
}