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extern/stdcxx/4.2.1/tests/regress/23.list.special.stdcxx-334.cpp

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+/************************************************************************
+ *
+ * 23.list.special.stdcxx-334.cpp - test case from STDCXX-334 issue
+ *
+ * $Id: 23.list.special.stdcxx-334.cpp 550991 2007-06-26 23:58:07Z sebor $
+ *
+ ***************************************************************************
+ *
+ * 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 <list>
+#include <string>
+#include <cassert>
+
+class Alloc : public std::allocator <char>
+{
+};
+
+bool operator == (Alloc a1, Alloc a2)
+{
+    return false;
+}
+
+bool operator != (Alloc a1, Alloc a2)
+{
+    return true;
+}
+
+int main(int argc, char* argv[])
+{
+    const char src [] = "source string";
+    const char dst [] = "destination string";
+
+    typedef std::list <char, Alloc> List;
+    
+    Alloc a1;
+    Alloc a2;
+
+    assert (!(a1 == a2));
+
+    List src_lst (src, src + sizeof (src) - 1, a1);
+    List dst_lst (dst, dst + sizeof (dst) - 1, a2);
+
+    src_lst.swap (dst_lst);
+
+    assert (std::string (src_lst.begin (), src_lst.end ()) == dst);
+    assert (std::string (dst_lst.begin (), dst_lst.end ()) == src);
+
+    return 0;
+}