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_cxx_lib=x86_64-apple-macosx10.7 11 // XFAIL: with_system_cxx_lib=x86_64-apple-macosx10.8 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 #include "test_macros.h" 23 24 int main() 25 { 26 assert(std::stof("0") == 0); 27 assert(std::stof(L"0") == 0); 28 assert(std::stof("-0") == 0); 29 assert(std::stof(L"-0") == 0); 30 assert(std::stof("-10") == -10); 31 assert(std::stof(L"-10.5") == -10.5); 32 assert(std::stof(" 10") == 10); 33 assert(std::stof(L" 10") == 10); 34 size_t idx = 0; 35 assert(std::stof("10g", &idx) == 10); 36 assert(idx == 2); 37 idx = 0; 38 assert(std::stof(L"10g", &idx) == 10); 39 assert(idx == 2); 40 #ifndef TEST_HAS_NO_EXCEPTIONS 41 idx = 0; 42 try 43 { 44 assert(std::stof("1.e60", &idx) == INFINITY); 45 assert(false); 46 } 47 catch (const std::out_of_range&) 48 { 49 assert(idx == 0); 50 } 51 try 52 { 53 assert(std::stof(L"1.e60", &idx) == INFINITY); 54 assert(false); 55 } 56 catch (const std::out_of_range&) 57 { 58 assert(idx == 0); 59 } 60 idx = 0; 61 try 62 { 63 assert(std::stof("1.e360", &idx) == INFINITY); 64 assert(false); 65 } 66 catch (const std::out_of_range&) 67 { 68 assert(idx == 0); 69 } 70 try 71 { 72 assert(std::stof(L"1.e360", &idx) == INFINITY); 73 assert(false); 74 } 75 catch (const std::out_of_range&) 76 { 77 assert(idx == 0); 78 } 79 try 80 #endif 81 { 82 assert(std::stof("INF", &idx) == INFINITY); 83 assert(idx == 3); 84 } 85 #ifndef TEST_HAS_NO_EXCEPTIONS 86 catch (const std::out_of_range&) 87 { 88 assert(false); 89 } 90 #endif 91 idx = 0; 92 #ifndef TEST_HAS_NO_EXCEPTIONS 93 try 94 #endif 95 { 96 assert(std::stof(L"INF", &idx) == INFINITY); 97 assert(idx == 3); 98 } 99 #ifndef TEST_HAS_NO_EXCEPTIONS 100 catch (const std::out_of_range&) 101 { 102 assert(false); 103 } 104 #endif 105 idx = 0; 106 #ifndef TEST_HAS_NO_EXCEPTIONS 107 try 108 #endif 109 { 110 assert(std::isnan(std::stof("NAN", &idx))); 111 assert(idx == 3); 112 } 113 #ifndef TEST_HAS_NO_EXCEPTIONS 114 catch (const std::out_of_range&) 115 { 116 assert(false); 117 } 118 #endif 119 idx = 0; 120 #ifndef TEST_HAS_NO_EXCEPTIONS 121 try 122 #endif 123 { 124 assert(std::isnan(std::stof(L"NAN", &idx))); 125 assert(idx == 3); 126 } 127 #ifndef TEST_HAS_NO_EXCEPTIONS 128 catch (const std::out_of_range&) 129 { 130 assert(false); 131 } 132 idx = 0; 133 try 134 { 135 std::stof("", &idx); 136 assert(false); 137 } 138 catch (const std::invalid_argument&) 139 { 140 assert(idx == 0); 141 } 142 try 143 { 144 std::stof(L"", &idx); 145 assert(false); 146 } 147 catch (const std::invalid_argument&) 148 { 149 assert(idx == 0); 150 } 151 try 152 { 153 std::stof(" - 8", &idx); 154 assert(false); 155 } 156 catch (const std::invalid_argument&) 157 { 158 assert(idx == 0); 159 } 160 try 161 { 162 std::stof(L" - 8", &idx); 163 assert(false); 164 } 165 catch (const std::invalid_argument&) 166 { 167 assert(idx == 0); 168 } 169 try 170 { 171 std::stof("a1", &idx); 172 assert(false); 173 } 174 catch (const std::invalid_argument&) 175 { 176 assert(idx == 0); 177 } 178 try 179 { 180 std::stof(L"a1", &idx); 181 assert(false); 182 } 183 catch (const std::invalid_argument&) 184 { 185 assert(idx == 0); 186 } 187 #endif 188 } 189