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Diffstat (limited to 'libstdc++-v3/testsuite/22_locale/numpunct/members/char/cache_2.cc')
-rw-r--r-- | libstdc++-v3/testsuite/22_locale/numpunct/members/char/cache_2.cc | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/22_locale/numpunct/members/char/cache_2.cc b/libstdc++-v3/testsuite/22_locale/numpunct/members/char/cache_2.cc new file mode 100644 index 00000000000..729e82a64bd --- /dev/null +++ b/libstdc++-v3/testsuite/22_locale/numpunct/members/char/cache_2.cc @@ -0,0 +1,90 @@ +// 2003-07-06 Benjamin Kosnik <bkoz@redhat.com> + +// Copyright (C) 2003 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 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. + +#include <locale> +#include <sstream> +#include <ostream> +#include <testsuite_hooks.h> + +class numpunct_checked : public std::numpunct<char> +{ + typedef std::numpunct<char> 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() + "st"; } +}; + +// Changing caches deletes old cache, adds new one. +void test01() +{ + using namespace std; + + bool test = true; + const string empty; + const string basestr("true"); + const string derivedstr("truest"); + + const locale loc(locale::classic(), new numpunct_checked); + stringbuf sbuf; + ostream os(&sbuf); + os.setf(ios_base::boolalpha); + + // Pre-cache sanity check. + const numpunct<char>& np = use_facet<numpunct<char> >(loc); + VERIFY( np.truename() == derivedstr ); + + // Cache. + os.imbue(loc); + os << true; + VERIFY( sbuf.str() == derivedstr ); + + // Re-cache. + sbuf.str(empty); + os.imbue(locale::classic()); + os << true; + VERIFY( sbuf.str() == basestr ); + + // Cache new locale again. + sbuf.str(empty); + 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; +} |