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added a memory management class for small objects.

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4046 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
csoler 2011-02-20 21:36:21 +00:00
parent db19db7e60
commit 827dbd8cf3
8 changed files with 538 additions and 4 deletions
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7
libretroshare/src/tests/general/Makefile
View file

@ -7,8 +7,8 @@ RS_TOP_DIR = ../..
include $(RS_TOP_DIR)/tests/scripts/config.mk
###############################################################
TESTOBJ = netsetup_test.o random_test.o
TESTS = netsetup_test random_test
TESTOBJ = netsetup_test.o random_test.o memory_management_test.o
TESTS = netsetup_test random_test memory_management_test
all: tests
@ -18,6 +18,9 @@ netsetup_test: netsetup_test.o
random_test: random_test.o
$(CC) $(CFLAGS) -o random_test random_test.o $(LIBS)
memory_management_test: memory_management_test.o
$(CC) $(CFLAGS) -o memory_management_test memory_management_test.o $(LIBS)
###############################################################
include $(RS_TOP_DIR)/tests/scripts/rules.mk
###############################################################

61
libretroshare/src/tests/general/memory_management_test.cc Normal file
View file

@ -0,0 +1,61 @@
#ifdef LINUX
#include <fenv.h>
#endif
#include <iostream>
#include <vector>
#include <stdlib.h>
#include <math.h>
#include "util/utest.h"
#include "serialiser/rsserial.h"
INITTEST();
// Make a fake class of size n.
//
template<int n> class RsTestItem: public RsItem
{
public:
unsigned char buff[n] ;
RsTestItem(uint32_t s) : RsItem(s) {}
virtual void clear() {}
virtual std::ostream& print(std::ostream& o, uint16_t) { return o ; }
};
int main(int argc, char **argv)
{
#ifdef LINUX
feenableexcept(FE_INVALID) ;
feenableexcept(FE_DIVBYZERO) ;
#endif
typedef RsTestItem<17> Test17 ;
typedef RsTestItem<31> Test31 ;
std::vector<RsItem*> v;
for(int i=0;i<300;++i)
v.push_back(new Test17(0)) ;
for(int i=0;i<700;++i)
v.push_back(new Test31(0)) ;
RsMemoryManagement::printStatistics() ;
// Now delete objects randomly.
//
for(int i=0;i<1000;++i)
{
int indx = lrand48()%(int)v.size() ;
delete v[indx] ;
v[indx] = v.back() ;
v.pop_back() ;
}
std::cerr << "After memory free: " << std::endl;
RsMemoryManagement::printStatistics() ;
FINALREPORT("memory_management_test");
exit(TESTRESULT());
}