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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [libstdc++-v3/] [testsuite/] [22_locale/] [numpunct/] [members/] [wchar_t/] [cache_1.cc] - Rev 516
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// 2003-07-06 Benjamin Kosnik <bkoz@redhat.com> // Copyright (C) 2003, 2009 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/>. #include <locale> #include <sstream> #include <ostream> #include <testsuite_hooks.h> class numpunct_checked : public std::numpunct<wchar_t> { typedef std::numpunct<wchar_t> base; public: explicit numpunct_checked(std::size_t refs = 0): base(refs) { } string_type base_truename() const { return base::do_truename(); } protected: virtual string_type do_truename() const { return base::do_truename() + L"st"; } }; // Thwart locale caching strategies that incorrectly overwrite base // class data. void test01() { using namespace std; bool test __attribute__((unused)) = true; const wstring basestr(L"true"); const wstring derivedstr(L"truest"); const locale loc(locale::classic(), new numpunct_checked); wstringbuf sbuf; wostream os(&sbuf); os.setf(ios_base::boolalpha); // Pre-cache sanity check. const numpunct<wchar_t>& np = use_facet<numpunct<wchar_t> >(loc); VERIFY( np.truename() == derivedstr ); // Cache. os.imbue(loc); os << true; VERIFY( sbuf.str() == derivedstr ); // Post-cache sanity check, make sure that base class is still fine. VERIFY( np.truename() == derivedstr ); const numpunct_checked& npd = static_cast<const numpunct_checked&>(np); VERIFY( npd.base_truename() == basestr ); } int main() { test01(); return 0; }