Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 22_locale / numpunct / members / char / cache_2.cc

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 (file)
index 0000000..3f7c130
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/numpunct/members/char/cache_2.cc
@@ -0,0 +1,89 @@
+// 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<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 __attribute__((unused)) = 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;
+}