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b2dad0e372
2000-04-21 Benjamin Kosnik <bkoz@redhat.com> * libstdc++-v3: New directory. From-SVN: r33317
133 lines
4.0 KiB
C++
133 lines
4.0 KiB
C++
// 980930 bkoz work with libstdc++v3
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// Copyright (C) 1998-1999 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// 21.3.6.8 basic_string::compare
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// int compare(const basic_string& str) const;
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// int compare(size_type pos1, size_type n1, const basic_string& str) const;
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// int compare(size_type pos1, size_type n1, const basic_string& str,
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// size_type pos2, size_type n2) const;
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// int compare(const charT* s) const;
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// int compare(size_type pos1, size_type n1,
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// const charT* s, size_type n2 = npos) const;
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// NB compare should be thought of as a lexographical compare, ie how
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// things would be sorted in a dictionary.
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#include <string>
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#ifdef DEBUG_ASSERT
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#include <assert.h>
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#endif
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enum want_value {lt=0, z=1, gt=2};
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void test_value(int result, want_value expected);
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void test_value(int result, want_value expected) {
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bool pass = false;
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switch (expected) {
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case lt:
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if (result < 0)
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pass = true;
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break;
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case z:
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if (!result)
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pass = true;
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break;
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case gt:
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if (result > 0)
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pass = true;
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break;
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default:
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pass = false; //should not get here
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}
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#ifdef DEBUG_ASSERT
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assert(pass);
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#endif
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}
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int test01(void) {
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std::string str_0("costa rica");
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std::string str_1("costa marbella");
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std::string str_2;
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//sanity check
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test_value(strcmp("costa marbella", "costa rica"), lt);
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test_value(strcmp("costa rica", "costa rica"), z);
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test_value(strcmp(str_1.data(), str_0.data()), lt);
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test_value(strcmp(str_0.data(), str_1.data()), gt);
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test_value(strncmp(str_1.data(), str_0.data(), 6), z);
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test_value(strncmp(str_1.data(), str_0.data(), 14), lt);
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test_value(memcmp(str_1.data(), str_0.data(), 6), z);
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test_value(memcmp(str_1.data(), str_0.data(), 14), lt);
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test_value(memcmp("costa marbella", "costa rica", 14), lt);
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// int compare(const basic_string& str) const;
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test_value(str_0.compare(str_1), gt); //because r>m
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test_value(str_1.compare(str_0), lt); //because m<r
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str_2 = str_0;
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test_value(str_2.compare(str_0), z);
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str_2 = "cost";
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test_value(str_2.compare(str_0), lt);
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str_2 = "costa ricans";
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test_value(str_2.compare(str_0), gt);
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// int compare(size_type pos1, size_type n1, const basic_string& str) const;
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test_value(str_1.compare(0, 6, str_0), lt);
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str_2 = "cost";
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test_value(str_1.compare(0, 4, str_2), z);
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test_value(str_1.compare(0, 5, str_2), gt);
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// int compare(size_type pos1, size_type n1, const basic_string& str,
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// size_type pos2, size_type n2) const;
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test_value(str_1.compare(0, 6, str_0, 0, 6), z);
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test_value(str_1.compare(0, 7, str_0, 0, 7), lt);
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test_value(str_0.compare(0, 7, str_1, 0, 7), gt);
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// int compare(const charT* s) const;
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test_value(str_0.compare("costa marbella"), gt);
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test_value(str_1.compare("costa rica"), lt);
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str_2 = str_0;
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test_value(str_2.compare("costa rica"), z);
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test_value(str_2.compare("cost"), gt);
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test_value(str_2.compare("costa ricans"), lt);
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// int compare(size_type pos, size_type n1, const charT* str,
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// size_type n2 = npos) const;
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test_value(str_1.compare(0, 6, "costa rica", 0, 6), z);
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test_value(str_1.compare(0, 7, "costa rica", 0, 7), lt);
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test_value(str_0.compare(0, 7, "costa marbella", 0, 7), gt);
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return 0;
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}
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int main() {
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test01();
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}
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