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 | //===----------------------------------------------------------------------===// |
Daniel Dunbar | c8e1889 | 2013-02-05 22:10:27 +0000 | [diff] [blame] | 9 | // |
Jonathan Roelofs | 3345961 | 2015-01-14 23:38:12 +0000 | [diff] [blame] | 10 | // XFAIL: with_system_cxx_lib=x86_64-apple-darwin11 |
| 11 | // XFAIL: with_system_cxx_lib=x86_64-apple-darwin12 |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 12 | |
| 13 | // <string> |
| 14 | |
| 15 | // float stof(const string& str, size_t *idx = 0); |
| 16 | // float stof(const wstring& str, size_t *idx = 0); |
| 17 | |
| 18 | #include <string> |
| 19 | #include <cmath> |
| 20 | #include <cassert> |
| 21 | |
| 22 | int main() |
| 23 | { |
| 24 | assert(std::stof("0") == 0); |
| 25 | assert(std::stof(L"0") == 0); |
| 26 | assert(std::stof("-0") == 0); |
| 27 | assert(std::stof(L"-0") == 0); |
| 28 | assert(std::stof("-10") == -10); |
| 29 | assert(std::stof(L"-10.5") == -10.5); |
| 30 | assert(std::stof(" 10") == 10); |
| 31 | assert(std::stof(L" 10") == 10); |
| 32 | size_t idx = 0; |
| 33 | assert(std::stof("10g", &idx) == 10); |
| 34 | assert(idx == 2); |
| 35 | idx = 0; |
| 36 | assert(std::stof(L"10g", &idx) == 10); |
| 37 | assert(idx == 2); |
Howard Hinnant | 3e3ae9e | 2013-01-14 18:59:43 +0000 | [diff] [blame] | 38 | idx = 0; |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 39 | try |
| 40 | { |
| 41 | assert(std::stof("1.e60", &idx) == INFINITY); |
Howard Hinnant | 3e3ae9e | 2013-01-14 18:59:43 +0000 | [diff] [blame] | 42 | assert(false); |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 43 | } |
| 44 | catch (const std::out_of_range&) |
| 45 | { |
Howard Hinnant | 3e3ae9e | 2013-01-14 18:59:43 +0000 | [diff] [blame] | 46 | assert(idx == 0); |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 47 | } |
| 48 | try |
| 49 | { |
| 50 | assert(std::stof(L"1.e60", &idx) == INFINITY); |
Howard Hinnant | 3e3ae9e | 2013-01-14 18:59:43 +0000 | [diff] [blame] | 51 | assert(false); |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 52 | } |
| 53 | catch (const std::out_of_range&) |
| 54 | { |
Howard Hinnant | 3e3ae9e | 2013-01-14 18:59:43 +0000 | [diff] [blame] | 55 | assert(idx == 0); |
Howard Hinnant | a6a062d | 2010-06-02 18:20:39 +0000 | [diff] [blame] | 56 | } |
| 57 | idx = 0; |
| 58 | try |
| 59 | { |
| 60 | assert(std::stof("1.e360", &idx) == INFINITY); |
| 61 | assert(false); |
| 62 | } |
| 63 | catch (const std::out_of_range&) |
| 64 | { |
| 65 | assert(idx == 0); |
| 66 | } |
| 67 | try |
| 68 | { |
| 69 | assert(std::stof(L"1.e360", &idx) == INFINITY); |
| 70 | assert(false); |
| 71 | } |
| 72 | catch (const std::out_of_range&) |
| 73 | { |
| 74 | assert(idx == 0); |
| 75 | } |
| 76 | try |
| 77 | { |
| 78 | assert(std::stof("INF", &idx) == INFINITY); |
| 79 | assert(idx == 3); |
| 80 | } |
| 81 | catch (const std::out_of_range&) |
| 82 | { |
| 83 | assert(false); |
| 84 | } |
| 85 | idx = 0; |
| 86 | try |
| 87 | { |
| 88 | assert(std::stof(L"INF", &idx) == INFINITY); |
| 89 | assert(idx == 3); |
| 90 | } |
| 91 | catch (const std::out_of_range&) |
| 92 | { |
| 93 | assert(false); |
| 94 | } |
| 95 | idx = 0; |
| 96 | try |
| 97 | { |
| 98 | assert(std::isnan(std::stof("NAN", &idx))); |
| 99 | assert(idx == 3); |
| 100 | } |
| 101 | catch (const std::out_of_range&) |
| 102 | { |
| 103 | assert(false); |
| 104 | } |
| 105 | idx = 0; |
| 106 | try |
| 107 | { |
| 108 | assert(std::isnan(std::stof(L"NAN", &idx))); |
| 109 | assert(idx == 3); |
| 110 | } |
| 111 | catch (const std::out_of_range&) |
| 112 | { |
| 113 | assert(false); |
| 114 | } |
| 115 | idx = 0; |
| 116 | try |
| 117 | { |
| 118 | std::stof("", &idx); |
| 119 | assert(false); |
| 120 | } |
| 121 | catch (const std::invalid_argument&) |
| 122 | { |
| 123 | assert(idx == 0); |
| 124 | } |
| 125 | try |
| 126 | { |
| 127 | std::stof(L"", &idx); |
| 128 | assert(false); |
| 129 | } |
| 130 | catch (const std::invalid_argument&) |
| 131 | { |
| 132 | assert(idx == 0); |
| 133 | } |
| 134 | try |
| 135 | { |
| 136 | std::stof(" - 8", &idx); |
| 137 | assert(false); |
| 138 | } |
| 139 | catch (const std::invalid_argument&) |
| 140 | { |
| 141 | assert(idx == 0); |
| 142 | } |
| 143 | try |
| 144 | { |
| 145 | std::stof(L" - 8", &idx); |
| 146 | assert(false); |
| 147 | } |
| 148 | catch (const std::invalid_argument&) |
| 149 | { |
| 150 | assert(idx == 0); |
| 151 | } |
| 152 | try |
| 153 | { |
| 154 | std::stof("a1", &idx); |
| 155 | assert(false); |
| 156 | } |
| 157 | catch (const std::invalid_argument&) |
| 158 | { |
| 159 | assert(idx == 0); |
| 160 | } |
| 161 | try |
| 162 | { |
| 163 | std::stof(L"a1", &idx); |
| 164 | assert(false); |
| 165 | } |
| 166 | catch (const std::invalid_argument&) |
| 167 | { |
| 168 | assert(idx == 0); |
| 169 | } |
| 170 | } |