//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // <string> // int stoi(const string& str, size_t *idx = 0, int base = 10); // int stoi(const wstring& str, size_t *idx = 0, int base = 10); #include <string> #include <cassert> int main() { assert(std::stoi("0") == 0); assert(std::stoi(L"0") == 0); assert(std::stoi("-0") == 0); assert(std::stoi(L"-0") == 0); assert(std::stoi("-10") == -10); assert(std::stoi(L"-10") == -10); assert(std::stoi(" 10") == 10); assert(std::stoi(L" 10") == 10); size_t idx = 0; assert(std::stoi("10g", &idx, 16) == 16); assert(idx == 2); idx = 0; assert(std::stoi(L"10g", &idx, 16) == 16); assert(idx == 2); if (std::numeric_limits<long>::max() > std::numeric_limits<int>::max()) { try { std::stoi("0x100000000", &idx, 16); assert(false); } catch (const std::out_of_range&) { } try { std::stoi(L"0x100000000", &idx, 16); assert(false); } catch (const std::out_of_range&) { } } idx = 0; try { std::stoi("", &idx); assert(false); } catch (const std::invalid_argument&) { assert(idx == 0); } try { std::stoi(L"", &idx); assert(false); } catch (const std::invalid_argument&) { assert(idx == 0); } try { std::stoi(" - 8", &idx); assert(false); } catch (const std::invalid_argument&) { assert(idx == 0); } try { std::stoi(L" - 8", &idx); assert(false); } catch (const std::invalid_argument&) { assert(idx == 0); } try { std::stoi("a1", &idx); assert(false); } catch (const std::invalid_argument&) { assert(idx == 0); } try { std::stoi(L"a1", &idx); assert(false); } catch (const std::invalid_argument&) { assert(idx == 0); } }