1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // XFAIL: with_system_lib=x86_64-apple-darwin11 11 // XFAIL: with_system_lib=x86_64-apple-darwin12 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); 38 idx = 0; 39 try 40 { 41 assert(std::stof("1.e60", &idx) == INFINITY); 42 assert(false); 43 } 44 catch (const std::out_of_range&) 45 { 46 assert(idx == 0); 47 } 48 try 49 { 50 assert(std::stof(L"1.e60", &idx) == INFINITY); 51 assert(false); 52 } 53 catch (const std::out_of_range&) 54 { 55 assert(idx == 0); 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 } 171
