stof.pass.cpp (3873B)
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 // PR14919 was fixed in r172447, out_of_range wasn't thrown before. 11 // XFAIL: with_system_cxx_lib=macosx10.7 12 // XFAIL: with_system_cxx_lib=macosx10.8 13 14 // <string> 15 16 // float stof(const string& str, size_t *idx = 0); 17 // float stof(const wstring& str, size_t *idx = 0); 18 19 #include <string> 20 #include <cmath> 21 #include <cassert> 22 #include <stdexcept> 23 24 #include "test_macros.h" 25 26 int main() 27 { 28 assert(std::stof("0") == 0); 29 assert(std::stof(L"0") == 0); 30 assert(std::stof("-0") == 0); 31 assert(std::stof(L"-0") == 0); 32 assert(std::stof("-10") == -10); 33 assert(std::stof(L"-10.5") == -10.5); 34 assert(std::stof(" 10") == 10); 35 assert(std::stof(L" 10") == 10); 36 size_t idx = 0; 37 assert(std::stof("10g", &idx) == 10); 38 assert(idx == 2); 39 idx = 0; 40 assert(std::stof(L"10g", &idx) == 10); 41 assert(idx == 2); 42 #ifndef TEST_HAS_NO_EXCEPTIONS 43 idx = 0; 44 try 45 { 46 assert(std::stof("1.e60", &idx) == INFINITY); 47 assert(false); 48 } 49 catch (const std::out_of_range&) 50 { 51 assert(idx == 0); 52 } 53 try 54 { 55 assert(std::stof(L"1.e60", &idx) == INFINITY); 56 assert(false); 57 } 58 catch (const std::out_of_range&) 59 { 60 assert(idx == 0); 61 } 62 idx = 0; 63 try 64 { 65 assert(std::stof("1.e360", &idx) == INFINITY); 66 assert(false); 67 } 68 catch (const std::out_of_range&) 69 { 70 assert(idx == 0); 71 } 72 try 73 { 74 assert(std::stof(L"1.e360", &idx) == INFINITY); 75 assert(false); 76 } 77 catch (const std::out_of_range&) 78 { 79 assert(idx == 0); 80 } 81 try 82 #endif 83 { 84 assert(std::stof("INF", &idx) == INFINITY); 85 assert(idx == 3); 86 } 87 #ifndef TEST_HAS_NO_EXCEPTIONS 88 catch (const std::out_of_range&) 89 { 90 assert(false); 91 } 92 #endif 93 idx = 0; 94 #ifndef TEST_HAS_NO_EXCEPTIONS 95 try 96 #endif 97 { 98 assert(std::stof(L"INF", &idx) == INFINITY); 99 assert(idx == 3); 100 } 101 #ifndef TEST_HAS_NO_EXCEPTIONS 102 catch (const std::out_of_range&) 103 { 104 assert(false); 105 } 106 #endif 107 idx = 0; 108 #ifndef TEST_HAS_NO_EXCEPTIONS 109 try 110 #endif 111 { 112 assert(std::isnan(std::stof("NAN", &idx))); 113 assert(idx == 3); 114 } 115 #ifndef TEST_HAS_NO_EXCEPTIONS 116 catch (const std::out_of_range&) 117 { 118 assert(false); 119 } 120 #endif 121 idx = 0; 122 #ifndef TEST_HAS_NO_EXCEPTIONS 123 try 124 #endif 125 { 126 assert(std::isnan(std::stof(L"NAN", &idx))); 127 assert(idx == 3); 128 } 129 #ifndef TEST_HAS_NO_EXCEPTIONS 130 catch (const std::out_of_range&) 131 { 132 assert(false); 133 } 134 idx = 0; 135 try 136 { 137 std::stof("", &idx); 138 assert(false); 139 } 140 catch (const std::invalid_argument&) 141 { 142 assert(idx == 0); 143 } 144 try 145 { 146 std::stof(L"", &idx); 147 assert(false); 148 } 149 catch (const std::invalid_argument&) 150 { 151 assert(idx == 0); 152 } 153 try 154 { 155 std::stof(" - 8", &idx); 156 assert(false); 157 } 158 catch (const std::invalid_argument&) 159 { 160 assert(idx == 0); 161 } 162 try 163 { 164 std::stof(L" - 8", &idx); 165 assert(false); 166 } 167 catch (const std::invalid_argument&) 168 { 169 assert(idx == 0); 170 } 171 try 172 { 173 std::stof("a1", &idx); 174 assert(false); 175 } 176 catch (const std::invalid_argument&) 177 { 178 assert(idx == 0); 179 } 180 try 181 { 182 std::stof(L"a1", &idx); 183 assert(false); 184 } 185 catch (const std::invalid_argument&) 186 { 187 assert(idx == 0); 188 } 189 #endif 190 }