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// { dg-require-iconv "UCS-2BE" }
// { dg-require-iconv "UCS-4BE" }
// 2000-08-23 Benjamin Kosnik <bkoz@cygnus.com>
// Copyright (C) 2000-2022 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 <testsuite_hooks.h>
#include <ext/codecvt_specializations.h>
// Partial specialization using encoding_state.
// codecvt<unicode_t, wchar_t, encoding_state>
void test01()
{
using namespace std;
typedef codecvt_base::result result;
typedef unsigned short int_type;
typedef wchar_t ext_type;
typedef __gnu_cxx::encoding_state state_type;
typedef codecvt<int_type, ext_type, state_type> unicode_codecvt;
typedef char_traits<int_type> int_traits;
typedef char_traits<ext_type> ext_traits;
int size = 23;
char e_lit_base[96] __attribute__((aligned(__alignof__(ext_type)))) =
{
char(0x00), char(0x00), char(0x00), char(0x62), char(0x00), char(0x00),
char(0x00), char(0x6c), char(0x00), char(0x00), char(0x00), char(0x61),
char(0x00), char(0x00), char(0x00), char(0x63), char(0x00), char(0x00),
char(0x00), char(0x6b), char(0x00), char(0x00), char(0x00), char(0x20),
char(0x00), char(0x00), char(0x00), char(0x70), char(0x00), char(0x00),
char(0x00), char(0x65), char(0x00), char(0x00), char(0x00), char(0x61),
char(0x00), char(0x00), char(0x00), char(0x72), char(0x00), char(0x00),
char(0x00), char(0x6c), char(0x00), char(0x00), char(0x00), char(0x20),
char(0x00), char(0x00), char(0x00), char(0x6a), char(0x00), char(0x00),
char(0x00), char(0x61), char(0x00), char(0x00), char(0x00), char(0x73),
char(0x00), char(0x00), char(0x00), char(0x6d), char(0x00), char(0x00),
char(0x00), char(0x69), char(0x00), char(0x00), char(0x00), char(0x6e),
char(0x00), char(0x00), char(0x00), char(0x65), char(0x00), char(0x00),
char(0x00), char(0x20), char(0x00), char(0x00), char(0x00), char(0x74),
char(0x00), char(0x00), char(0x00), char(0x65), char(0x00), char(0x00),
char(0x00), char(0x61), char(0x00), char(0x00), char(0x00), char(0xa0)
};
const ext_type* e_lit = reinterpret_cast<ext_type*>(e_lit_base);
char i_lit_base[48] __attribute__((aligned(__alignof__(int_type)))) =
{
char(0x00), char(0x62), char(0x00), char(0x6c), char(0x00), char(0x61),
char(0x00), char(0x63), char(0x00), char(0x6b), char(0x00), char(0x20),
char(0x00), char(0x70), char(0x00), char(0x65), char(0x00), char(0x61),
char(0x00), char(0x72), char(0x00), char(0x6c), char(0x00), char(0x20),
char(0x00), char(0x6a), char(0x00), char(0x61), char(0x00), char(0x73),
char(0x00), char(0x6d), char(0x00), char(0x69), char(0x00), char(0x6e),
char(0x00), char(0x65), char(0x00), char(0x20), char(0x00), char(0x74),
char(0x00), char(0x65), char(0x00), char(0x61), char(0x00), char(0xa0)
};
const int_type* i_lit = reinterpret_cast<int_type*>(i_lit_base);
const ext_type* efrom_next;
const int_type* ifrom_next;
ext_type* e_arr = new ext_type[size + 1];
ext_type* eto_next;
int_type* i_arr = new int_type[size + 1];
int_type* ito_next;
// construct a locale object with the specialized facet.
locale loc(locale::classic(), new unicode_codecvt);
// sanity check the constructed locale has the specialized facet.
VERIFY( has_facet<unicode_codecvt>(loc) );
const unicode_codecvt& cvt = use_facet<unicode_codecvt>(loc);
// in
// unicode_codecvt::state_type state01("UCS-2BE", "UCS-4BE", 0xfeff, 0);
unicode_codecvt::state_type state01("UCS-2BE", "UCS-4BE", 0, 0);
result r1 = cvt.in(state01, e_lit, e_lit + size, efrom_next,
i_arr, i_arr + size + 1, ito_next);
VERIFY( r1 == codecvt_base::ok );
VERIFY( !int_traits::compare(i_arr, i_lit, size) );
VERIFY( efrom_next == e_lit + size );
VERIFY( ito_next == i_arr + size );
// out
unicode_codecvt::state_type state02("UCS-2BE", "UCS-4BE", 0, 0);
result r2 = cvt.out(state02, i_lit, i_lit + size, ifrom_next,
e_arr, e_arr + size, eto_next);
VERIFY( r2 == codecvt_base::ok ); // XXX?
VERIFY( !ext_traits::compare(e_arr, e_lit, size) );
VERIFY( ifrom_next == i_lit + size );
VERIFY( eto_next == e_arr + size );
// unshift
ext_traits::copy(e_arr, e_lit, size);
unicode_codecvt::state_type state03("UCS-2BE", "UCS-4BE", 0, 0);
result r3 = cvt.unshift(state03, e_arr, e_arr + size, eto_next);
VERIFY( r3 == codecvt_base::noconv );
VERIFY( !ext_traits::compare(e_arr, e_lit, size) );
VERIFY( eto_next == e_arr );
int i = cvt.encoding();
VERIFY( i == 0 );
VERIFY( !cvt.always_noconv() );
unicode_codecvt::state_type state04("UCS-2BE", "UCS-4BE", 0, 0);
int j = cvt.length(state03, e_lit, e_lit + size, 5);
VERIFY( j == 5 );
int k = cvt.max_length();
VERIFY( k == 1 );
delete [] e_arr;
delete [] i_arr;
}
int main ()
{
test01();
return 0;
}