// 980930 bkoz work with libstdc++v3
// Copyright (C) 1998, 1999, 2003, 2004, 2009 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 3, 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 COPYING3. If not see
// .
// 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
#include
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;
wstring str_0(L"costa rica");
wstring str_1(L"costa marbella");
wstring str_2;
//sanity check
test_value(wcscmp(L"costa marbella", L"costa rica"), lt);
test_value(wcscmp(L"costa rica", L"costa rica"), z);
test_value(wcscmp(str_1.data(), str_0.data()), lt);
test_value(wcscmp(str_0.data(), str_1.data()), gt);
test_value(wcsncmp(str_1.data(), str_0.data(), 6), z);
test_value(wcsncmp(str_1.data(), str_0.data(), 14), lt);
test_value(wmemcmp(str_1.data(), str_0.data(), 6), z);
test_value(wmemcmp(str_1.data(), str_0.data(), 14), lt);
test_value(wmemcmp(L"costa marbella", L"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