test c++ vector capacity

test-vector-capacity.cpp

#include <iostream>
#include <vector>

int main(void) {
    std::vector<int> v;
    v.resize(10);
    std::cout << v.capacity() << std::endl;
    v.clear();
    std::cout << v.capacity() << std::endl;
    v.resize(0);
    std::cout << v.capacity() << std::endl;
    v.reserve(0);
    std::cout << v.capacity() << std::endl;

    std::vector<int> v2;
    v.swap(v2);
    std::cout << v.capacity() << std::endl;

    v.resize(10);
    v.clear();
    v.shrink_to_fit();
    std::cout << v.capacity() << std::endl;

    v.resize(10);
    v = std::vector<int>();
    std::cout << v.capacity() << std::endl;
    return 0;
}

/* 
output with '-std=c++98'
------------------------
10
10
10
10
0
0
10

output with '-std=c++11'
------------------------
10
10
10
10
0
0
0

*/