diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/5.cc')
-rw-r--r-- | gcc-4.4.3/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/5.cc | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/5.cc b/gcc-4.4.3/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/5.cc new file mode 100644 index 000000000..5be1c47f3 --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/5.cc @@ -0,0 +1,64 @@ +// 2003-02-06 Petur Runolfsson <peturr02@ru.is> + +// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009 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 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> +void test05() +{ + using namespace std; + typedef codecvt<wchar_t, char, mbstate_t> w_codecvt; + typedef char ext_type; + + bool test __attribute__((unused)) = true; + const ext_type e_lit[] = { '\0', '\0', 'f', '\0' }; + int size = sizeof(e_lit); + + locale loc; + const w_codecvt* cvt = &use_facet<w_codecvt>(loc); + + w_codecvt::state_type state04; + zero_state(state04); + int j = cvt->length(state04, e_lit, e_lit + size, 5); + VERIFY( j == size ); +} + +int main () +{ + test05(); + return 0; +} |