Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 22_locale / locale / global_locale_objects / 3.cc

diff --git a/libstdc++-v3/testsuite/22_locale/locale/global_locale_objects/3.cc b/libstdc++-v3/testsuite/22_locale/locale/global_locale_objects/3.cc
new file mode 100644 (file)
index 0000000..07f8f1d
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+++ b/libstdc++-v3/testsuite/22_locale/locale/global_locale_objects/3.cc
@@ -0,0 +1,112 @@
+// 2000-09-13 Benjamin Kosnik <bkoz@redhat.com>
+
+// Copyright (C) 2000, 2002, 2003, 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/>.
+
+// 22.1.1.5 locale static members [lib.locale.statics]
+
+#include <cwchar> // for mbstate_t
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Static counter for use in checking ctors/dtors.
+static std::size_t counter;
+
+class surf : public std::locale::facet
+{
+public:
+  static std::locale::id               id;
+  surf(size_t refs = 0): std::locale::facet(refs) { ++counter; }
+  ~surf() { --counter; }
+};
+
+std::locale::id surf::id;
+
+typedef surf facet_type;
+
+// Verify lifetimes of global objects.
+void test03()
+{
+  using namespace std;
+  bool test __attribute__((unused)) = true;
+
+  string name;
+  locale global_orig;
+  // 1: Destroyed when out of scope.
+  {
+    {
+      {
+       VERIFY( counter == 0 );
+       {
+         locale loc01(locale::classic(), new facet_type);
+         VERIFY( counter == 1 );
+         global_orig = locale::global(loc01);
+         name = loc01.name();
+       }
+       VERIFY( counter == 1 );
+       locale loc02 = locale();
+       // Weak, but it's something...
+       VERIFY( loc02.name() == name );
+      }
+      VERIFY( counter == 1 );
+      // NB: loc03 should be a copy of the previous global locale.
+      locale loc03 = locale::global(global_orig);
+      VERIFY( counter == 1 );
+      VERIFY( loc03.name() == name );
+    }
+    VERIFY( counter == 0 );
+    locale loc04 = locale();
+    VERIFY( loc04 == global_orig );
+  }
+
+  // 2: Not destroyed when out of scope, deliberately leaked.
+  {
+    {
+      {
+       VERIFY( counter == 0 );
+       {
+         locale loc01(locale::classic(), new facet_type(1));
+         VERIFY( counter == 1 );
+         global_orig = locale::global(loc01);
+         name = loc01.name();
+       }
+       VERIFY( counter == 1 );
+       locale loc02 = locale();
+       // Weak, but it's something...
+       VERIFY( loc02.name() == name );
+      }
+      VERIFY( counter == 1 );
+      // NB: loc03 should be a copy of the previous global locale.
+      locale loc03 = locale::global(global_orig);
+      VERIFY( counter == 1 );
+      VERIFY( loc03.name() == name );
+    }
+    VERIFY( counter == 1 );
+    locale loc04 = locale();
+    VERIFY( loc04 == global_orig );
+  }
+  VERIFY( counter == 1 );
+
+  // Restore global settings.
+  locale::global(global_orig);
+}
+
+int main ()
+{
+  test03();
+  return 0;
+}