1// Copyright (C) 2005 Free Software Foundation, Inc. 2// 3// This file is part of the GNU ISO C++ Library. This library is free 4// software; you can redistribute it and/or modify it under the 5// terms of the GNU General Public License as published by the 6// Free Software Foundation; either version 2, or (at your option) 7// any later version. 8 9// This library is distributed in the hope that it will be useful, 10// but WITHOUT ANY WARRANTY; without even the implied warranty of 11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12// GNU General Public License for more details. 13 14// You should have received a copy of the GNU General Public License along 15// with this library; see the file COPYING. If not, write to the Free 16// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 17// USA. 18 19// As a special exception, you may use this file as part of a free software 20// library without restriction. Specifically, if other files instantiate 21// templates or use macros or inline functions from this file, or you compile 22// this file and link it with other files to produce an executable, this 23// file does not by itself cause the resulting executable to be covered by 24// the GNU General Public License. This exception does not however 25// invalidate any other reasons why the executable file might be covered by 26// the GNU General Public License. 27 28// 22.2.1.3.2 ctype<char> members 29 30#include <locale> 31#include <testsuite_hooks.h> 32 33class Ctype1 34: public std::ctype<char> 35{ 36protected: 37 const char* 38 do_narrow(const char* lo, const char* hi, 39 char, char* to) const 40 { 41 for (int i = 0; lo != hi; ++lo, ++to, ++i) 42 *to = *lo + i; 43 return hi; 44 } 45}; 46 47class Ctype2 48: public std::ctype<char> 49{ 50protected: 51 const char* 52 do_narrow(const char* lo, const char* hi, 53 char dflt, char* to) const 54 { 55 for (int i = 0; lo != hi; ++lo, ++to, ++i) 56 if (*lo == '\000') 57 *to = dflt; 58 else 59 *to = *lo; 60 return hi; 61 } 62}; 63 64// libstdc++/19955 65void test01() 66{ 67 using namespace std; 68 bool test __attribute__((unused)) = true; 69 70 const char src[] = "abcd"; 71 72 locale mylocale1(locale::classic(), new Ctype1); 73 const ctype<char>& mc1 = use_facet<ctype<char> >(mylocale1); 74 75 char dst1[sizeof(src)]; 76 memset(dst1, 0, sizeof(src)); 77 char dst2[sizeof(src)]; 78 memset(dst2, 0, sizeof(src)); 79 80 mc1.narrow(src, src + sizeof(src), '*', dst1); 81 mc1.narrow(src, src + sizeof(src), '*', dst2); 82 83 VERIFY( !memcmp(dst1, "aceg\004", 5) ); 84 VERIFY( !memcmp(dst1, dst2, 5) ); 85 86 locale mylocale2(locale::classic(), new Ctype2); 87 const ctype<char>& mc2 = use_facet<ctype<char> >(mylocale2); 88 89 char dst3[sizeof(src)]; 90 memset(dst3, 0, sizeof(src)); 91 char dst4[sizeof(src)]; 92 memset(dst4, 0, sizeof(src)); 93 94 mc2.narrow(src, src + sizeof(src), '*', dst3); 95 mc2.narrow(src, src + sizeof(src), '*', dst4); 96 97 VERIFY( !memcmp(dst3, "abcd*", 5) ); 98 VERIFY( !memcmp(dst3, dst4, 5) ); 99} 100 101int main() 102{ 103 test01(); 104 return 0; 105} 106