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+// Fig. 8.12: fig08_12.cpp
+// Date class test program.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+#include "date1.h"  // Date class definition
+
+int main()
+{
+   Date d1;  // defaults to January 1, 1900
+   Date d2( 12, 27, 1992 );
+   Date d3( 0, 99, 8045 );  // invalid date
+
+   cout << "d1 is " << d1 << "\nd2 is " << d2
+        << "\nd3 is " << d3;
+
+   cout << "\n\nd2 += 7 is " << ( d2 += 7 );
+
+   d3.setDate( 2, 28, 1992 );
+   cout << "\n\n  d3 is " << d3;
+   cout << "\n++d3 is " << ++d3;
+
+   Date d4( 7, 13, 2002 );
+
+   cout << "\n\nTesting the preincrement operator:\n"
+        << "  d4 is " << d4 << '\n';
+   cout << "++d4 is " << ++d4 << '\n';
+   cout << "  d4 is " << d4;
+
+   cout << "\n\nTesting the postincrement operator:\n"
+        << "  d4 is " << d4 << '\n';
+   cout << "d4++ is " << d4++ << '\n';
+   cout << "  d4 is " << d4 << endl;
+
+   return 0;
+
+} // end main
+
+/**************************************************************************
+ * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice      *
+ * Hall. All Rights Reserved.                                             *
+ *                                                                        *
+ * DISCLAIMER: The authors and publisher of this book have used their     *
+ * best efforts in preparing the book. These efforts include the          *
+ * development, research, and testing of the theories and programs        *
+ * to determine their effectiveness. The authors and publisher make       *
+ * no warranty of any kind, expressed or implied, with regard to these    *
+ * programs or to the documentation contained in these books. The authors *
+ * and publisher shall not be liable in any event for incidental or       *
+ * consequential damages in connection with, or arising out of, the       *
+ * furnishing, performance, or use of these programs.                     *
+ *************************************************************************/