Test the maximum and minimum int value in C++11

testmaxint.cpp

#include <iostream>
#include <limits>

using namespace std;

int main() {

    int a = numeric_limits<int>::min();
    int b = numeric_limits<int>::max();

    // test IEEE 754
    cout << numeric_limits<double>::is_iec559 << "\n";
    cout << numeric_limits<float>::is_iec559 << "\n";

    // test min and max
    cout << "min is " << a << " and max is " << b << "\n";

    // cross limits
    for (int i = 0; i < 10; ++i) {
        cout << "test " << i << " cross min is " <<  a - 1 << " and cross max is " << b + 1 << "\n";
    }


    return 0;
}