1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <string> 10 11 // long double stold(const string& str, size_t *idx = 0); 12 // long double stold(const wstring& str, size_t *idx = 0); 13 14 #include <cassert> 15 #include <cmath> 16 #include <stdexcept> 17 #include <string> 18 19 #include "test_macros.h" 20 21 int main(int, char**) 22 { 23 assert(std::stold("0") == 0); 24 assert(std::stold(L"0") == 0); 25 assert(std::stold("-0") == 0); 26 assert(std::stold(L"-0") == 0); 27 assert(std::stold("-10") == -10); 28 assert(std::stold(L"-10.5") == -10.5); 29 assert(std::stold(" 10") == 10); 30 assert(std::stold(L" 10") == 10); 31 size_t idx = 0; 32 assert(std::stold("10g", &idx) == 10); 33 assert(idx == 2); 34 idx = 0; 35 assert(std::stold(L"10g", &idx) == 10); 36 assert(idx == 2); 37 #ifndef TEST_HAS_NO_EXCEPTIONS 38 try 39 #endif 40 { 41 assert(std::stold("1.e60", &idx) == 1.e60L); 42 assert(idx == 5); 43 } 44 #ifndef TEST_HAS_NO_EXCEPTIONS 45 catch (const std::out_of_range&) 46 { 47 assert(false); 48 } 49 try 50 #endif 51 { 52 assert(std::stold(L"1.e60", &idx) == 1.e60L); 53 assert(idx == 5); 54 } 55 #ifndef TEST_HAS_NO_EXCEPTIONS 56 catch (const std::out_of_range&) 57 { 58 assert(false); 59 } 60 #endif 61 idx = 0; 62 #ifndef TEST_HAS_NO_EXCEPTIONS 63 try 64 { 65 assert(std::stold("1.e6000", &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::stold(L"1.e6000", &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::stold("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::stold(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::stold("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::stold(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::stold("", &idx); 138 assert(false); 139 } 140 catch (const std::invalid_argument&) 141 { 142 assert(idx == 0); 143 } 144 try 145 { 146 std::stold(L"", &idx); 147 assert(false); 148 } 149 catch (const std::invalid_argument&) 150 { 151 assert(idx == 0); 152 } 153 try 154 { 155 std::stold(" - 8", &idx); 156 assert(false); 157 } 158 catch (const std::invalid_argument&) 159 { 160 assert(idx == 0); 161 } 162 try 163 { 164 std::stold(L" - 8", &idx); 165 assert(false); 166 } 167 catch (const std::invalid_argument&) 168 { 169 assert(idx == 0); 170 } 171 try 172 { 173 std::stold("a1", &idx); 174 assert(false); 175 } 176 catch (const std::invalid_argument&) 177 { 178 assert(idx == 0); 179 } 180 try 181 { 182 std::stold(L"a1", &idx); 183 assert(false); 184 } 185 catch (const std::invalid_argument&) 186 { 187 assert(idx == 0); 188 } 189 #endif 190 191 return 0; 192 } 193