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extern/stdcxx/4.2.1/tests/regress/22.locale.stdcxx-554.cpp

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+/************************************************************************
+ *
+ * 22.locale.stdcxx-554.cpp - the regression test for STDCXX-554 issue
+ *
+ * $Id: 22.locale.stdcxx-554.cpp 648752 2008-04-16 17:01:56Z faridz $
+ *
+ ***************************************************************************
+ *
+ * Licensed to the Apache Software  Foundation (ASF) under one or more
+ * contributor  license agreements.  See  the NOTICE  file distributed
+ * with  this  work  for  additional information  regarding  copyright
+ * ownership.   The ASF  licenses this  file to  you under  the Apache
+ * License, Version  2.0 (the  "License"); you may  not use  this file
+ * except in  compliance with the License.   You may obtain  a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the  License is distributed on an  "AS IS" BASIS,
+ * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY  KIND, either  express or
+ * implied.   See  the License  for  the  specific language  governing
+ * permissions and limitations under the License.
+ *
+ **************************************************************************/
+
+#include <cstring>   // for memset()
+#include <cassert>   // for assert()
+
+#include <locale>    // for std::moneypunct, std::messages
+
+enum { fill = '\xdc' };
+
+template <class charT>
+void test_moneypunct (charT)
+{
+    typedef std::moneypunct <charT> PunctT;
+
+    // Use a pointer to properly align buffer for placment new.
+    union {
+        void* ptr;
+        char buf [sizeof (PunctT) + 1];
+    } u;
+
+    std::memset (u.buf, fill, sizeof (u.buf));
+
+    PunctT* p = new (u.buf) PunctT ();
+
+    assert (fill == u.buf [sizeof (PunctT)]);
+
+    p->~PunctT ();
+}
+
+template <class charT>
+void test_messages (charT)
+{
+    typedef std::messages <charT> MessagesT;
+
+    union {
+        void* ptr;
+        char buf [sizeof (MessagesT) + 1];
+    } u;
+
+    std::memset (u.buf, fill, sizeof (u.buf));
+
+    MessagesT* p = new (u.buf) MessagesT ();
+
+    assert (fill == u.buf [sizeof (MessagesT)]);
+
+    p->~MessagesT ();
+}
+
+int main (int, char* [])
+{
+    test_moneypunct (char ());
+    test_messages (char ());
+
+#ifndef _RWSTD_NO_WCHAR_T
+    test_moneypunct (wchar_t ());
+    test_messages (wchar_t ());
+#endif
+
+    return 0;
+}