blob: c60ecc52536fbde720d306b29e6167e9e1dd6149 [file] [log] [blame]
#include <limits>
#include <sstream>
#include <iostream>
#include <cassert>
#include <iostream>
using namespace std;
template<typename T>
void check_limits()
{
T minv = numeric_limits<T>::min();
T maxv = numeric_limits<T>::max();
ostringstream miniss, maxiss;
assert(miniss << minv);
assert(maxiss << maxv);
std::string mins = miniss.str();
std::string maxs = maxiss.str();
istringstream maxoss(maxs), minoss(mins);
T new_minv, new_maxv;
assert(maxoss >> new_maxv);
assert(minoss >> new_minv);
assert(new_minv == minv);
assert(new_maxv == maxv);
if(mins == "0")
mins = "-1";
else
mins[mins.size() - 1]++;
maxs[maxs.size() - 1]++;
istringstream maxoss2(maxs), minoss2(mins);
assert(! (maxoss2 >> new_maxv));
assert(! (minoss2 >> new_minv));
}
int main(void)
{
check_limits<short>();
check_limits<unsigned short>();
check_limits<int>();
check_limits<unsigned int>();
check_limits<long>();
check_limits<unsigned long>();
check_limits<long long>();
check_limits<unsigned long long>();
}