| // 980930 bkoz work with libstdc++v3 |
| |
| // Copyright (C) 1998, 1999, 2003, 2004 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 2, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING. If not, write to the Free |
| // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| // USA. |
| |
| // 21.3.6.8 basic_string::compare |
| // int compare(const basic_string& str) const; |
| // int compare(size_type pos1, size_type n1, const basic_string& str) const; |
| // int compare(size_type pos1, size_type n1, const basic_string& str, |
| // size_type pos2, size_type n2) const; |
| // int compare(const charT* s) const; |
| // int compare(size_type pos1, size_type n1, |
| // const charT* s, size_type n2 = npos) const; |
| |
| // NB compare should be thought of as a lexographical compare, ie how |
| // things would be sorted in a dictionary. |
| |
| #include <string> |
| #include <testsuite_hooks.h> |
| |
| enum want_value {lt=0, z=1, gt=2}; |
| |
| int |
| test_value(int result, want_value expected); |
| |
| int |
| test_value(int result, want_value expected) |
| { |
| bool test __attribute__((unused)) = true; |
| bool pass = false; |
| |
| switch (expected) { |
| case lt: |
| if (result < 0) |
| pass = true; |
| break; |
| case z: |
| if (!result) |
| pass = true; |
| break; |
| case gt: |
| if (result > 0) |
| pass = true; |
| break; |
| default: |
| pass = false; //should not get here |
| } |
| VERIFY(pass); |
| return 0; |
| } |
| |
| |
| int |
| test01() |
| { |
| using namespace std; |
| |
| string str_0("costa rica"); |
| string str_1("costa marbella"); |
| string str_2; |
| |
| //sanity check |
| test_value(strcmp("costa marbella", "costa rica"), lt); |
| test_value(strcmp("costa rica", "costa rica"), z); |
| test_value(strcmp(str_1.data(), str_0.data()), lt); |
| test_value(strcmp(str_0.data(), str_1.data()), gt); |
| test_value(strncmp(str_1.data(), str_0.data(), 6), z); |
| test_value(strncmp(str_1.data(), str_0.data(), 14), lt); |
| test_value(memcmp(str_1.data(), str_0.data(), 6), z); |
| test_value(memcmp(str_1.data(), str_0.data(), 14), lt); |
| test_value(memcmp("costa marbella", "costa rica", 14), lt); |
| |
| // int compare(const basic_string& str) const; |
| test_value(str_0.compare(str_1), gt); //because r>m |
| test_value(str_1.compare(str_0), lt); //because m<r |
| str_2 = str_0; |
| test_value(str_2.compare(str_0), z); |
| str_2 = "cost"; |
| test_value(str_2.compare(str_0), lt); |
| str_2 = "costa ricans"; |
| test_value(str_2.compare(str_0), gt); |
| |
| // int compare(size_type pos1, size_type n1, const basic_string& str) const; |
| test_value(str_1.compare(0, 6, str_0), lt); |
| str_2 = "cost"; |
| test_value(str_1.compare(0, 4, str_2), z); |
| test_value(str_1.compare(0, 5, str_2), gt); |
| |
| // int compare(size_type pos1, size_type n1, const basic_string& str, |
| // size_type pos2, size_type n2) const; |
| test_value(str_1.compare(0, 6, str_0, 0, 6), z); |
| test_value(str_1.compare(0, 7, str_0, 0, 7), lt); |
| test_value(str_0.compare(0, 7, str_1, 0, 7), gt); |
| |
| // int compare(const charT* s) const; |
| test_value(str_0.compare("costa marbella"), gt); |
| test_value(str_1.compare("costa rica"), lt); |
| str_2 = str_0; |
| test_value(str_2.compare("costa rica"), z); |
| test_value(str_2.compare("cost"), gt); |
| test_value(str_2.compare("costa ricans"), lt); |
| |
| // int compare(size_type pos, size_type n1, const charT* str, |
| // size_type n2 = npos) const; |
| test_value(str_1.compare(0, 6, "costa rica", 0, 6), z); |
| test_value(str_1.compare(0, 7, "costa rica", 0, 7), lt); |
| test_value(str_0.compare(0, 7, "costa marbella", 0, 7), gt); |
| |
| return 0; |
| } |
| |
| |
| int |
| main() |
| { |
| test01(); |
| return 0; |
| } |