#include <cassert>
#include <iostream>
#include "IntStack.h"
using namespace std;
int main()
{
IntStack st( 1 );
assert( st.capacity() == 1 );
st.push( 100 );
assert( st.capacity() == 1 );
assert( st.size() == 1 );
st.push( 200 );
assert( st.capacity() == 2 );
assert( st.size() == 2 );
assert( st.top() == 200 );
st.pop();
assert( st.top() == 100 );
st.double_capacity();
assert( st.capacity() == 2*2 );
assert( st.size() == 1 );
IntStack st100;
assert( st100.capacity() == IntStack::DEFAULT_STACK_CAPACITY );
assert( st100.size() == 0 );
return 0;
}