#include <bstl/big_integer.hpp>

#include <cassert>
#include <iostream>
#include <string>

int main() {
    using bstl::BigInteger;

    const BigInteger a("12345678901234567890");
    const BigInteger b("98765432109876543210");
    const BigInteger c = a + b;
    const BigInteger d = b - a;
    const BigInteger e = a * BigInteger("2");
    const BigInteger f = BigInteger("100000000000000000000000") / BigInteger("1000000000000000000");

    assert(c.toString() == "111111111011111111100");
    assert(d.toString() == "86419753208641975320");
    assert(e.toString() == "24691357802469135780");
    assert(f.toString() == "100000");

    const BigInteger zero("0");
    assert((a == a) == true);
    assert((a != b) == true);
    assert((zero == 0) == true);
    assert((a > BigInteger("12345678901234567889")) == true);
    assert((a < b) == true);

    std::cout << "BigInteger tests passed\n";
    return 0;
}