| //===----------------------------------------------------------------------===// |
| // |
| // 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); |
| } |
| } |