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jlechner |
// 2000-08-23 Benjamin Kosnik <bkoz@cygnus.com>
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// Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
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#include <locale>
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#include <testsuite_hooks.h>
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#ifdef _GLIBCXX_USE___ENC_TRAITS
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// Need some char_traits specializations for this to work.
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typedef unsigned short unicode_t;
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namespace std
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{
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template<>
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struct char_traits<unicode_t>
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{
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typedef unicode_t char_type;
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// Unsigned as wint_t is unsigned.
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typedef unsigned long int_type;
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typedef streampos pos_type;
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typedef streamoff off_type;
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typedef mbstate_t state_type;
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static void
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assign(char_type& __c1, const char_type& __c2);
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static bool
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eq(const char_type& __c1, const char_type& __c2);
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static bool
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lt(const char_type& __c1, const char_type& __c2);
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static int
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compare(const char_type* __s1, const char_type* __s2, size_t __n)
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{ return memcmp(__s1, __s2, __n); }
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static size_t
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length(const char_type* __s);
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static const char_type*
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find(const char_type* __s, size_t __n, const char_type& __a);
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static char_type*
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move(char_type* __s1, const char_type* __s2, size_t __n);
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static char_type*
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copy(char_type* __s1, const char_type* __s2, size_t __n)
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{ return static_cast<char_type*>(memcpy(__s1, __s2, __n)); }
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static char_type*
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assign(char_type* __s, size_t __n, char_type __a);
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static char_type
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to_char_type(const int_type& __c);
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static int_type
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to_int_type(const char_type& __c);
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static bool
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eq_int_type(const int_type& __c1, const int_type& __c2);
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static int_type
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eof();
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static int_type
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not_eof(const int_type& __c);
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};
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}
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void
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initialize_state(std::__enc_traits& state)
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{ state._M_init(); }
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// Partial specialization using __enc_traits.
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// codecvt<unicode_t, wchar_t, __enc_traits>
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void test01()
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{
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using namespace std;
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typedef codecvt_base::result result;
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typedef unicode_t int_type;
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typedef wchar_t ext_type;
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typedef __enc_traits enc_type;
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typedef codecvt<int_type, ext_type, enc_type> unicode_codecvt;
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typedef char_traits<int_type> int_traits;
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typedef char_traits<ext_type> ext_traits;
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bool test __attribute__((unused)) = true;
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int size = 23;
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char e_lit_base[96] __attribute__((aligned(__alignof__(ext_type)))) =
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{
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0x00, 0x00, 0x00, 0x62, 0x00, 0x00, 0x00, 0x6c, 0x00, 0x00, 0x00, 0x61,
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0x00, 0x00, 0x00, 0x63, 0x00, 0x00, 0x00, 0x6b, 0x00, 0x00, 0x00, 0x20,
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0x00, 0x00, 0x00, 0x70, 0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x00, 0x61,
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0x00, 0x00, 0x00, 0x72, 0x00, 0x00, 0x00, 0x6c, 0x00, 0x00, 0x00, 0x20,
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0x00, 0x00, 0x00, 0x6a, 0x00, 0x00, 0x00, 0x61, 0x00, 0x00, 0x00, 0x73,
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0x00, 0x00, 0x00, 0x6d, 0x00, 0x00, 0x00, 0x69, 0x00, 0x00, 0x00, 0x6e,
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0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x74,
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0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x00, 0x61, 0x00, 0x00, 0x00, 0xa0
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};
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const ext_type* e_lit = reinterpret_cast<ext_type*>(e_lit_base);
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char i_lit_base[48] __attribute__((aligned(__alignof__(int_type)))) =
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{
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0x00, 0x62, 0x00, 0x6c, 0x00, 0x61, 0x00, 0x63, 0x00, 0x6b, 0x00, 0x20,
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0x00, 0x70, 0x00, 0x65, 0x00, 0x61, 0x00, 0x72, 0x00, 0x6c, 0x00, 0x20,
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0x00, 0x6a, 0x00, 0x61, 0x00, 0x73, 0x00, 0x6d, 0x00, 0x69, 0x00, 0x6e,
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0x00, 0x65, 0x00, 0x20, 0x00, 0x74, 0x00, 0x65, 0x00, 0x61, 0x00, 0xa0
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};
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const int_type* i_lit = reinterpret_cast<int_type*>(i_lit_base);
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const ext_type* efrom_next;
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const int_type* ifrom_next;
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ext_type* e_arr = new ext_type[size + 1];
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ext_type* eto_next;
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int_type* i_arr = new int_type[size + 1];
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int_type* ito_next;
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// construct a locale object with the specialized facet.
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locale loc(locale::classic(), new unicode_codecvt);
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// sanity check the constructed locale has the specialized facet.
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VERIFY( has_facet<unicode_codecvt>(loc) );
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const unicode_codecvt& cvt = use_facet<unicode_codecvt>(loc);
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// in
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// unicode_codecvt::state_type state01("UCS-2BE", "UCS-4BE", 0xfeff, 0);
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unicode_codecvt::state_type state01("UCS-2BE", "UCS-4BE", 0, 0);
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initialize_state(state01);
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result r1 = cvt.in(state01, e_lit, e_lit + size, efrom_next,
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i_arr, i_arr + size + 1, ito_next);
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VERIFY( r1 == codecvt_base::ok );
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VERIFY( !int_traits::compare(i_arr, i_lit, size) );
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VERIFY( efrom_next == e_lit + size );
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VERIFY( ito_next == i_arr + size );
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// out
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unicode_codecvt::state_type state02("UCS-2BE", "UCS-4BE", 0, 0);
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initialize_state(state02);
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result r2 = cvt.out(state02, i_lit, i_lit + size, ifrom_next,
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e_arr, e_arr + size, eto_next);
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VERIFY( r2 == codecvt_base::ok ); // XXX?
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VERIFY( !ext_traits::compare(e_arr, e_lit, size) );
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VERIFY( ifrom_next == i_lit + size );
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VERIFY( eto_next == e_arr + size );
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// unshift
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ext_traits::copy(e_arr, e_lit, size);
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unicode_codecvt::state_type state03("UCS-2BE", "UCS-4BE", 0, 0);
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initialize_state(state03);
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result r3 = cvt.unshift(state03, e_arr, e_arr + size, eto_next);
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VERIFY( r3 == codecvt_base::noconv );
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VERIFY( !ext_traits::compare(e_arr, e_lit, size) );
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VERIFY( eto_next == e_arr );
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int i = cvt.encoding();
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VERIFY( i == 0 );
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VERIFY( !cvt.always_noconv() );
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unicode_codecvt::state_type state04("UCS-2BE", "UCS-4BE", 0, 0);
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initialize_state(state04);
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int j = cvt.length(state03, e_lit, e_lit + size, 5);
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VERIFY( j == 5 );
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int k = cvt.max_length();
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VERIFY( k == 1 );
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delete [] e_arr;
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delete [] i_arr;
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}
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#endif // _GLIBCXX_USE___ENC_TRAITS
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int main ()
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{
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#ifdef _GLIBCXX_USE___ENC_TRAITS
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test01();
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#endif
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return 0;
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}
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