1 // { dg-options "-std=gnu++11" } 2 // { dg-require-string-conversions "" } 3 // 2008-06-15 Paolo Carlini <paolo.carlini@oracle.com> 4 5 // Copyright (C) 2008-2016 Free Software Foundation, Inc. 6 // 7 // This file is part of the GNU ISO C++ Library. This library is free 8 // software; you can redistribute it and/or modify it under the 9 // terms of the GNU General Public License as published by the 10 // Free Software Foundation; either version 3, or (at your option) 11 // any later version. 12 13 // This library is distributed in the hope that it will be useful, 14 // but WITHOUT ANY WARRANTY; without even the implied warranty of 15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 // GNU General Public License for more details. 17 18 // You should have received a copy of the GNU General Public License along 19 // with this library; see the file COPYING3. If not see 20 // <http://www.gnu.org/licenses/>. 21 22 // 21.4 Numeric Conversions [string.conversions] 23 24 #include <string> 25 #include <limits> 26 #include <stdexcept> 27 #include <testsuite_hooks.h> 28 29 void test01()30test01() 31 { 32 #if _GLIBCXX_USE_C99_WCHAR 33 34 bool test __attribute__((unused)) = false; 35 using namespace std; 36 37 try 38 { 39 wstring one; 40 stod(one); 41 } 42 catch(std::invalid_argument) 43 { 44 test = true; 45 } 46 catch(...) 47 { 48 } 49 VERIFY( test ); 50 51 test = false; 52 try 53 { 54 wstring one(L"a"); 55 stod(one); 56 } 57 catch(std::invalid_argument) 58 { 59 test = true; 60 } 61 catch(...) 62 { 63 } 64 VERIFY( test ); 65 66 double d1 = 0.0; 67 size_t idx1 = 0; 68 try 69 { 70 wstring one(L"2.0a"); 71 d1 = stod(one, &idx1); 72 } 73 catch(...) 74 { 75 test = false; 76 } 77 VERIFY( test ); 78 VERIFY( d1 == 2.0 ); 79 VERIFY( idx1 == 3 ); 80 81 test = false; 82 try 83 { 84 wstring one(L"1e"); 85 one.append(2 * numeric_limits<double>::max_exponent10, L'9'); 86 d1 = stod(one); 87 } 88 catch(std::out_of_range) 89 { 90 test = true; 91 } 92 catch(...) 93 { 94 } 95 VERIFY( test ); 96 VERIFY( d1 == 2.0 ); 97 98 try 99 { 100 long double ld0 = numeric_limits<double>::max() / 100.0; 101 wstring one(to_wstring(ld0)); 102 stod(one); 103 } 104 catch(...) 105 { 106 test = false; 107 } 108 VERIFY( test ); 109 110 if ((numeric_limits<long double>::max() / 10000.0L) 111 > numeric_limits<double>::max()) 112 { 113 test = false; 114 d1 = -1.0; 115 try 116 { 117 long double ld1 = numeric_limits<double>::max(); 118 ld1 *= 100.0; 119 wstring one(to_wstring(ld1)); 120 d1 = stod(one); 121 } 122 catch(std::out_of_range) 123 { 124 test = true; 125 } 126 catch(...) 127 { 128 } 129 VERIFY( test ); 130 VERIFY( d1 == -1.0 ); 131 } 132 133 #endif 134 } 135 main()136int main() 137 { 138 test01(); 139 return 0; 140 } 141