test/test_memory.cpp

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//
// C++ Implementation: test_romberg
//
// Description: unit tests for memory footprint routines
//
//
// Author: Roman Geus <geus@maxwell>, (C) 2004
//
// Copyright: See COPYING file that comes with this distribution
//
//

#include <tut.h>
#include "myrlog.h"
#include "adaptsim.h"

namespace
{

    struct test_data
    {
        test_data()
        {
        }
    };

    typedef tut::test_group<test_data> testgroup;
    typedef testgroup::object testobject;
    testgroup group("memory");

    template<>
    template<>
    void testobject::test<1>()
    {
        const size_t alloc_size = 1024*1024*64;
        size_t before, after, diff;
        before = get_mem_footprint();
        char* p = new char[alloc_size];
        after = get_mem_footprint();
        diff = after - before;
        rInfo("diff = %lu", static_cast<unsigned long>(diff));
        delete p;
        ensure(diff > 60*1024*1024);
        ensure(diff < 65*1024*1024);
    }

    template<>
    template<>
    void testobject::test<2>()
    {
        const size_t alloc_size = 512*1024;
        size_t before, after, diff;
        before = get_mem_footprint();
        char* p = new char[alloc_size];
        after = get_mem_footprint();
        diff = after - before;
        rInfo("diff = %lu", static_cast<unsigned long>(diff));
        delete p;
        ensure(diff > 500*1024);
        ensure(diff < 520*1024);
    }

}

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