#include <string>
#include <cassert>
int main()
{
assert(std::stoul("0") == 0);
assert(std::stoul(L"0") == 0);
assert(std::stoul("-0") == 0);
assert(std::stoul(L"-0") == 0);
assert(std::stoul(" 10") == 10);
assert(std::stoul(L" 10") == 10);
size_t idx = 0;
assert(std::stoul("10g", &idx, 16) == 16);
assert(idx == 2);
idx = 0;
assert(std::stoul(L"10g", &idx, 16) == 16);
assert(idx == 2);
idx = 0;
try
{
std::stoul("", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stoul(L"", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stoul(" - 8", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stoul(L" - 8", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stoul("a1", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
try
{
std::stoul(L"a1", &idx);
assert(false);
}
catch (const std::invalid_argument&)
{
assert(idx == 0);
}
}