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// Copyright (C) 2005-2019 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
// <http://www.gnu.org/licenses/>.
// 22.2.1.3.2 ctype<char> members
#include <locale>
#include <cstring>
#include <testsuite_hooks.h>
class Ctype1
: public std::ctype<char>
{
protected:
const char*
do_narrow(const char* lo, const char* hi,
char, char* to) const
{
for (int i = 0; lo != hi; ++lo, ++to, ++i)
*to = *lo + i;
return hi;
}
};
class Ctype2
: public std::ctype<char>
{
protected:
const char*
do_narrow(const char* lo, const char* hi,
char dflt, char* to) const
{
for (int i = 0; lo != hi; ++lo, ++to, ++i)
if (*lo == '\000')
*to = dflt;
else
*to = *lo;
return hi;
}
};
// libstdc++/19955
void test01()
{
using namespace std;
const char src[] = "abcd";
locale mylocale1(locale::classic(), new Ctype1);
const ctype<char>& mc1 = use_facet<ctype<char> >(mylocale1);
char dst1[sizeof(src)];
memset(dst1, 0, sizeof(src));
char dst2[sizeof(src)];
memset(dst2, 0, sizeof(src));
mc1.narrow(src, src + sizeof(src), '*', dst1);
mc1.narrow(src, src + sizeof(src), '*', dst2);
VERIFY( !memcmp(dst1, "aceg\004", 5) );
VERIFY( !memcmp(dst1, dst2, 5) );
locale mylocale2(locale::classic(), new Ctype2);
const ctype<char>& mc2 = use_facet<ctype<char> >(mylocale2);
char dst3[sizeof(src)];
memset(dst3, 0, sizeof(src));
char dst4[sizeof(src)];
memset(dst4, 0, sizeof(src));
mc2.narrow(src, src + sizeof(src), '*', dst3);
mc2.narrow(src, src + sizeof(src), '*', dst4);
VERIFY( !memcmp(dst3, "abcd*", 5) );
VERIFY( !memcmp(dst3, dst4, 5) );
}
int main()
{
test01();
return 0;
}
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