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// 2000-08-18 Benjamin Kosnik <bkoz@cygnus.com>
// Copyright (C) 2000, 2002 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 <cwchar> // for mbstate_t
#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...
#ifdef _GLIBCPP_USE_WCHAR_T
void
zero_state(std::mbstate_t& state)
{ std::memset(&state, 0, sizeof(std::mbstate_t)); }
// Required instantiation
// codecvt<wchar_t, char, mbstate_t>
void test01()
{
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;
typedef char_traits<char> ext_traits;
bool test = true;
const ext_type* e_lit = "black pearl jasmine tea";
const ext_type* efrom_next;
const int_type* i_lit = L"black pearl jasmine tea";
const int_type* ifrom_next;
int size = strlen(e_lit);
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;
locale 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::ok );
VERIFY( !int_traits::compare(i_arr, i_lit, size) );
VERIFY( efrom_next == e_lit + size );
VERIFY( ito_next == i_arr + size );
// out
w_codecvt::state_type state02;
zero_state(state02);
result r2 = cvt->out(state02, i_lit, i_lit + size, ifrom_next,
e_arr, e_arr + size, eto_next);
VERIFY( r2 == codecvt_base::ok );
VERIFY( !ext_traits::compare(e_arr, e_lit, size) );
VERIFY( ifrom_next == i_lit + size );
VERIFY( eto_next == e_arr + size );
// unshift
strcpy(e_arr, e_lit);
w_codecvt::state_type state03;
zero_state(state03);
result r3 = cvt->unshift(state03, e_arr, e_arr + size, eto_next);
VERIFY( r3 == codecvt_base::noconv );
VERIFY( !strcmp(e_arr, e_lit) );
VERIFY( eto_next == e_arr );
int i = cvt->encoding();
VERIFY( i == 4 ); // Target-dependent.
VERIFY( !cvt->always_noconv() );
w_codecvt::state_type state04;
zero_state(state04);
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;
}
// libstdc++/5280
void test02()
{
#ifdef _GLIBCPP_HAVE_SETENV
// Set the global locale to non-"C".
std::locale loc_de("de_DE");
std::locale::global(loc_de);
// Set LANG environment variable to de_DE.
const char* oldLANG = getenv("LANG");
if (!setenv("LANG", "de_DE", 1))
{
test01();
setenv("LANG", oldLANG ? oldLANG : "", 1);
}
#endif
}
// http://gcc.gnu.org/ml/libstdc++/2002-05/msg00038.html
void test03()
{
bool test = true;
const char* tentLANG = std::setlocale(LC_ALL, "ja_JP.eucjp");
if (tentLANG != NULL)
{
std::string preLANG = tentLANG;
test01();
std::string postLANG = std::setlocale(LC_ALL, NULL);
VERIFY( preLANG == postLANG );
}
}
#endif /* !defined(_GLIBCPP_USE_WCHAR_T) */
int main ()
{
#if _GLIBCPP_USE_WCHAR_T
test01();
test02();
test03();
#endif
return 0;
}
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