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 // <string> 11 12 // long double stold(const string& str, size_t *idx = 0); 13 // long double stold(const wstring& str, size_t *idx = 0); 14 15 #include <iostream> 16 17 #include <string> 18 #include <cmath> 19 #include <cassert> 20 21 #include "test_macros.h" 22 23 int main() 24 { 25 assert(std::stold("0") == 0); 26 assert(std::stold(L"0") == 0); 27 assert(std::stold("-0") == 0); 28 assert(std::stold(L"-0") == 0); 29 assert(std::stold("-10") == -10); 30 assert(std::stold(L"-10.5") == -10.5); 31 assert(std::stold(" 10") == 10); 32 assert(std::stold(L" 10") == 10); 33 size_t idx = 0; 34 assert(std::stold("10g", &idx) == 10); 35 assert(idx == 2); 36 idx = 0; 37 assert(std::stold(L"10g", &idx) == 10); 38 assert(idx == 2); 39 #ifndef TEST_HAS_NO_EXCEPTIONS 40 try 41 #endif 42 { 43 assert(std::stold("1.e60", &idx) == 1.e60L); 44 assert(idx == 5); 45 } 46 #ifndef TEST_HAS_NO_EXCEPTIONS 47 catch (const std::out_of_range&) 48 { 49 assert(false); 50 } 51 try 52 #endif 53 { 54 assert(std::stold(L"1.e60", &idx) == 1.e60L); 55 assert(idx == 5); 56 } 57 #ifndef TEST_HAS_NO_EXCEPTIONS 58 catch (const std::out_of_range&) 59 { 60 assert(false); 61 } 62 #endif 63 idx = 0; 64 #ifndef TEST_HAS_NO_EXCEPTIONS 65 try 66 { 67 assert(std::stold("1.e6000", &idx) == INFINITY); 68 assert(false); 69 } 70 catch (const std::out_of_range&) 71 { 72 assert(idx == 0); 73 } 74 try 75 { 76 assert(std::stold(L"1.e6000", &idx) == INFINITY); 77 assert(false); 78 } 79 catch (const std::out_of_range&) 80 { 81 assert(idx == 0); 82 } 83 try 84 #endif 85 { 86 assert(std::stold("INF", &idx) == INFINITY); 87 assert(idx == 3); 88 } 89 #ifndef TEST_HAS_NO_EXCEPTIONS 90 catch (const std::out_of_range&) 91 { 92 assert(false); 93 } 94 #endif 95 idx = 0; 96 #ifndef TEST_HAS_NO_EXCEPTIONS 97 try 98 #endif 99 { 100 assert(std::stold(L"INF", &idx) == INFINITY); 101 assert(idx == 3); 102 } 103 #ifndef TEST_HAS_NO_EXCEPTIONS 104 catch (const std::out_of_range&) 105 { 106 assert(false); 107 } 108 #endif 109 idx = 0; 110 #ifndef TEST_HAS_NO_EXCEPTIONS 111 try 112 #endif 113 { 114 assert(std::isnan(std::stold("NAN", &idx))); 115 assert(idx == 3); 116 } 117 #ifndef TEST_HAS_NO_EXCEPTIONS 118 catch (const std::out_of_range&) 119 { 120 assert(false); 121 } 122 #endif 123 idx = 0; 124 #ifndef TEST_HAS_NO_EXCEPTIONS 125 try 126 #endif 127 { 128 assert(std::isnan(std::stold(L"NAN", &idx))); 129 assert(idx == 3); 130 } 131 #ifndef TEST_HAS_NO_EXCEPTIONS 132 catch (const std::out_of_range&) 133 { 134 assert(false); 135 } 136 idx = 0; 137 try 138 { 139 std::stold("", &idx); 140 assert(false); 141 } 142 catch (const std::invalid_argument&) 143 { 144 assert(idx == 0); 145 } 146 try 147 { 148 std::stold(L"", &idx); 149 assert(false); 150 } 151 catch (const std::invalid_argument&) 152 { 153 assert(idx == 0); 154 } 155 try 156 { 157 std::stold(" - 8", &idx); 158 assert(false); 159 } 160 catch (const std::invalid_argument&) 161 { 162 assert(idx == 0); 163 } 164 try 165 { 166 std::stold(L" - 8", &idx); 167 assert(false); 168 } 169 catch (const std::invalid_argument&) 170 { 171 assert(idx == 0); 172 } 173 try 174 { 175 std::stold("a1", &idx); 176 assert(false); 177 } 178 catch (const std::invalid_argument&) 179 { 180 assert(idx == 0); 181 } 182 try 183 { 184 std::stold(L"a1", &idx); 185 assert(false); 186 } 187 catch (const std::invalid_argument&) 188 { 189 assert(idx == 0); 190 } 191 #endif 192 } 193
