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// 2003-02-06 Petur Runolfsson <peturr02@ru.is>
// Copyright (C) 2003 Free Software Foundation
//
// 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
#include <locale>
#include <testsuite_hooks.h>
// Need to explicitly set the state(mbstate_t) to zero.
// How to do this is not specified by the ISO C99 standard, so we
// might need to add some operators to make the intuiative case
// work:
// w_codecvt::state_type state00;
// state00 = 0;
// or, can use this explicit "C" initialization:
// w_codecvt::state_type state01 = {0, 0};
// .. except Ulrich says: Use memset. Always use memset. Feel the force...
void
zero_state(std::mbstate_t& state)
{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
// Required instantiation
// codecvt<wchar_t, char, mbstate_t>
//
// Test handling of illegal input sequence in UTF-8.
void test07()
{
using namespace std;
typedef codecvt<wchar_t, char, mbstate_t> w_codecvt;
typedef wchar_t int_type;
typedef char ext_type;
bool test = true;
const ext_type* e_lit = "a\xc0\xff";
const ext_type* efrom_next;
int size = strlen(e_lit);
locale loc = __gnu_test::try_named_locale("en_US.UTF-8");
locale::global(loc);
const w_codecvt* cvt = &use_facet<w_codecvt>(loc);
w_codecvt::state_type state01;
zero_state(state01);
int i = cvt->length(state01, e_lit, e_lit + size, 1);
VERIFY( i == 1 );
w_codecvt::state_type state02;
zero_state(state02);
int j = cvt->length(state02, e_lit, e_lit + size, size);
VERIFY( j == 1 );
w_codecvt::state_type state03;
zero_state(state03);
int k = cvt->length(state03, e_lit, e_lit + size, size * 2);
VERIFY( k == 1 );
}
int main ()
{
test07();
return 0;
}
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