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void TestVector()

{

cout << 

int iSize = 10000000;

vector<int> test_vec;

for (int i = 0; i < iSize; i++)

{

test_vec.push_back(i);

}

cout << "create vector end" << endl;

Sleep(2*1000);

cout << "clear vector" << endl;

test_vec.clear();

cout << "clear vector end" << endl;

Sleep(1*1000);

cout << "after clear new data come if the size bigger" << endl;

for (int i = 0; i < iSize; i++)

{

test_vec.push_back(i);

}

cout << "new data push_back end" << endl;

Sleep(1*1000);

cout << "swap vector" << endl;

{

vector<int> tmp_vec;

test_vec.swap(tmp_vec);

}

cout << "swap vector end" << endl;

Sleep(1*1000);

}

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void TestMap()

{

cout << "begin create map" << endl;

int iSize = 1000000;

map<int, int> test_map;

for (int i = 0; i < iSize; i++)

{

test_map[i] = i;

}

cout << "create map end" << endl;

Sleep(2*1000);

cout << "clear map" << endl;

test_map.clear();

cout << "clear map end" << endl;

getchar();

cout << "swap map" << endl;

{

map<int, int> tmp_map;

test_map.swap(tmp_map);

}

cout << "swap map end" << endl;

getchar();

}