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// { dg-require-namedlocale "en_US.UTF-8" }
// 2003-02-06 Petur Runolfsson <peturr02@ru.is>
// Copyright (C) 2003-2016 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/>.
// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
#include <locale>
#include <cstring>
#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 codecvt_base::result result;
typedef wchar_t int_type;
typedef char ext_type;
typedef char_traits<wchar_t> int_traits;
bool test __attribute__((unused)) = true;
const ext_type* e_lit = "a\xc0\xff";
const ext_type* efrom_next;
const int_type* i_lit = L"a";
int size = strlen(e_lit);
int_type* i_arr = new int_type[size + 1];
int_type* i_ref = new int_type[size + 1];
wmemset(i_arr, 0xdeadbeef, size + 1);
wmemset(i_ref, 0xdeadbeef, size + 1);
int_type* ito_next;
locale loc = locale("en_US.UTF-8");
locale::global(loc);
const w_codecvt* cvt = &use_facet<w_codecvt>(loc);
// in
w_codecvt::state_type state01;
zero_state(state01);
result r1 = cvt->in(state01, e_lit, e_lit + size, efrom_next,
i_arr, i_arr + size, ito_next);
VERIFY( r1 == codecvt_base::error );
VERIFY( efrom_next == e_lit + 1 );
VERIFY( ito_next == i_arr + 1 );
VERIFY( !int_traits::compare(i_arr, i_lit, 1) );
VERIFY( !int_traits::compare(ito_next, i_ref, size) );
delete [] i_arr;
delete [] i_ref;
}
int main ()
{
test07();
return 0;
}
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