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Diffstat (limited to 'libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/7.cc')
| -rw-r--r-- | libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/7.cc | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/7.cc b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/7.cc new file mode 100644 index 00000000000..f692e9cee6e --- /dev/null +++ b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/7.cc @@ -0,0 +1,86 @@ +// 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 codecvt_base::result result; + typedef wchar_t int_type; + typedef char ext_type; + typedef char_traits<wchar_t> int_traits; + + bool test = 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 ("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; +} |