Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Howard Hinnant | b64f8b0 | 2010-11-16 22:09:02 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 10 | // <string> |
| 11 | |
| 12 | // int stoi(const string& str, size_t *idx = 0, int base = 10); |
| 13 | // int stoi(const wstring& str, size_t *idx = 0, int base = 10); |
| 14 | |
| 15 | #include <string> |
| 16 | #include <cassert> |
| 17 | |
| 18 | int main() |
| 19 | { |
| 20 | assert(std::stoi("0") == 0); |
| 21 | assert(std::stoi(L"0") == 0); |
| 22 | assert(std::stoi("-0") == 0); |
| 23 | assert(std::stoi(L"-0") == 0); |
| 24 | assert(std::stoi("-10") == -10); |
| 25 | assert(std::stoi(L"-10") == -10); |
| 26 | assert(std::stoi(" 10") == 10); |
| 27 | assert(std::stoi(L" 10") == 10); |
| 28 | size_t idx = 0; |
| 29 | assert(std::stoi("10g", &idx, 16) == 16); |
| 30 | assert(idx == 2); |
| 31 | idx = 0; |
| 32 | assert(std::stoi(L"10g", &idx, 16) == 16); |
| 33 | assert(idx == 2); |
| 34 | if (std::numeric_limits<long>::max() > std::numeric_limits<int>::max()) |
| 35 | { |
| 36 | try |
| 37 | { |
| 38 | std::stoi("0x100000000", &idx, 16); |
| 39 | assert(false); |
| 40 | } |
| 41 | catch (const std::out_of_range&) |
| 42 | { |
| 43 | } |
| 44 | try |
| 45 | { |
| 46 | std::stoi(L"0x100000000", &idx, 16); |
| 47 | assert(false); |
| 48 | } |
| 49 | catch (const std::out_of_range&) |
| 50 | { |
| 51 | } |
| 52 | } |
| 53 | idx = 0; |
| 54 | try |
| 55 | { |
| 56 | std::stoi("", &idx); |
| 57 | assert(false); |
| 58 | } |
| 59 | catch (const std::invalid_argument&) |
| 60 | { |
| 61 | assert(idx == 0); |
| 62 | } |
| 63 | try |
| 64 | { |
| 65 | std::stoi(L"", &idx); |
| 66 | assert(false); |
| 67 | } |
| 68 | catch (const std::invalid_argument&) |
| 69 | { |
| 70 | assert(idx == 0); |
| 71 | } |
| 72 | try |
| 73 | { |
| 74 | std::stoi(" - 8", &idx); |
| 75 | assert(false); |
| 76 | } |
| 77 | catch (const std::invalid_argument&) |
| 78 | { |
| 79 | assert(idx == 0); |
| 80 | } |
| 81 | try |
| 82 | { |
| 83 | std::stoi(L" - 8", &idx); |
| 84 | assert(false); |
| 85 | } |
| 86 | catch (const std::invalid_argument&) |
| 87 | { |
| 88 | assert(idx == 0); |
| 89 | } |
| 90 | try |
| 91 | { |
| 92 | std::stoi("a1", &idx); |
| 93 | assert(false); |
| 94 | } |
| 95 | catch (const std::invalid_argument&) |
| 96 | { |
| 97 | assert(idx == 0); |
| 98 | } |
| 99 | try |
| 100 | { |
| 101 | std::stoi(L"a1", &idx); |
| 102 | assert(false); |
| 103 | } |
| 104 | catch (const std::invalid_argument&) |
| 105 | { |
| 106 | assert(idx == 0); |
| 107 | } |
| 108 | } |