1// 980930 bkoz work with libstdc++v3 2 3// Copyright (C) 1998, 1999, 2003, 2004 Free Software Foundation, Inc. 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 2, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING. If not, write to the Free 18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 19// USA. 20 21// 21.3.6.8 basic_string::compare 22// int compare(const basic_string& str) const; 23// int compare(size_type pos1, size_type n1, const basic_string& str) const; 24// int compare(size_type pos1, size_type n1, const basic_string& str, 25// size_type pos2, size_type n2) const; 26// int compare(const charT* s) const; 27// int compare(size_type pos1, size_type n1, 28// const charT* s, size_type n2 = npos) const; 29 30// NB compare should be thought of as a lexographical compare, ie how 31// things would be sorted in a dictionary. 32 33#include <string> 34#include <testsuite_hooks.h> 35 36enum want_value {lt=0, z=1, gt=2}; 37 38int 39test_value(int result, want_value expected); 40 41int 42test_value(int result, want_value expected) 43{ 44 bool test __attribute__((unused)) = true; 45 bool pass = false; 46 47 switch (expected) { 48 case lt: 49 if (result < 0) 50 pass = true; 51 break; 52 case z: 53 if (!result) 54 pass = true; 55 break; 56 case gt: 57 if (result > 0) 58 pass = true; 59 break; 60 default: 61 pass = false; //should not get here 62 } 63 64 VERIFY(pass); 65 return 0; 66} 67 68 69int 70test01() 71{ 72 using namespace std; 73 74 wstring str_0(L"costa rica"); 75 wstring str_1(L"costa marbella"); 76 wstring str_2; 77 78 //sanity check 79 test_value(wcscmp(L"costa marbella", L"costa rica"), lt); 80 test_value(wcscmp(L"costa rica", L"costa rica"), z); 81 test_value(wcscmp(str_1.data(), str_0.data()), lt); 82 test_value(wcscmp(str_0.data(), str_1.data()), gt); 83 test_value(wcsncmp(str_1.data(), str_0.data(), 6), z); 84 test_value(wcsncmp(str_1.data(), str_0.data(), 14), lt); 85 test_value(wmemcmp(str_1.data(), str_0.data(), 6), z); 86 test_value(wmemcmp(str_1.data(), str_0.data(), 14), lt); 87 test_value(wmemcmp(L"costa marbella", L"costa rica", 14), lt); 88 89 // int compare(const basic_string& str) const; 90 test_value(str_0.compare(str_1), gt); //because r>m 91 test_value(str_1.compare(str_0), lt); //because m<r 92 str_2 = str_0; 93 test_value(str_2.compare(str_0), z); 94 str_2 = L"cost"; 95 test_value(str_2.compare(str_0), lt); 96 str_2 = L"costa ricans"; 97 test_value(str_2.compare(str_0), gt); 98 99 // int compare(size_type pos1, size_type n1, const basic_string& str) const; 100 test_value(str_1.compare(0, 6, str_0), lt); 101 str_2 = L"cost"; 102 test_value(str_1.compare(0, 4, str_2), z); 103 test_value(str_1.compare(0, 5, str_2), gt); 104 105 // int compare(size_type pos1, size_type n1, const basic_string& str, 106 // size_type pos2, size_type n2) const; 107 test_value(str_1.compare(0, 6, str_0, 0, 6), z); 108 test_value(str_1.compare(0, 7, str_0, 0, 7), lt); 109 test_value(str_0.compare(0, 7, str_1, 0, 7), gt); 110 111 // int compare(const charT* s) const; 112 test_value(str_0.compare(L"costa marbella"), gt); 113 test_value(str_1.compare(L"costa rica"), lt); 114 str_2 = str_0; 115 test_value(str_2.compare(L"costa rica"), z); 116 test_value(str_2.compare(L"cost"), gt); 117 test_value(str_2.compare(L"costa ricans"), lt); 118 119 // int compare(size_type pos, size_type n1, const charT* str, 120 // size_type n2 = npos) const; 121 test_value(str_1.compare(0, 6, L"costa rica", 0, 6), z); 122 test_value(str_1.compare(0, 7, L"costa rica", 0, 7), lt); 123 test_value(str_0.compare(0, 7, L"costa marbella", 0, 7), gt); 124 125 return 0; 126} 127 128 129int 130main() 131{ 132 test01(); 133 return 0; 134} 135