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core/test/dyn_cast/cxx_main.cpp
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1// @HEADER
2// ***********************************************************************
3//
4// Teuchos: Common Tools Package
5// Copyright (2004) Sandia Corporation
6//
7// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
8// license for use of this work by or on behalf of the U.S. Government.
9//
10// Redistribution and use in source and binary forms, with or without
11// modification, are permitted provided that the following conditions are
12// met:
13//
14// 1. Redistributions of source code must retain the above copyright
15// notice, this list of conditions and the following disclaimer.
16//
17// 2. Redistributions in binary form must reproduce the above copyright
18// notice, this list of conditions and the following disclaimer in the
19// documentation and/or other materials provided with the distribution.
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21// 3. Neither the name of the Corporation nor the names of the
22// contributors may be used to endorse or promote products derived from
23// this software without specific prior written permission.
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25// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
26// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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41
42#include "Teuchos_dyn_cast.hpp"
45#include "Teuchos_Version.hpp"
46
47class A { public: virtual ~A(){} };
48class B : public A { public: void f(bool verbose) { if(verbose) std::cout << "\nB::f() called!\n"; } };
49class C : public A {};
50
51int main( int argc, char* argv[] )
52{
53
55
56 bool verbose = true;
57
58 Teuchos::GlobalMPISession mpiSession(&argc, &argv);
59
60 try {
61
62 // Read options from the commandline
63 CommandLineProcessor clp(false); // Don't throw exceptions
64 clp.setOption( "verbose", "quiet", &verbose, "Set if output is printed or not." );
65 CommandLineProcessor::EParseCommandLineReturn parse_return = clp.parse(argc,argv);
66 if( parse_return != CommandLineProcessor::PARSE_SUCCESSFUL ) return parse_return;
67
68 if(verbose) std::cout << Teuchos::Teuchos_Version() << std::endl << std::endl;
69
70 if(verbose) std::cout
71 << "\n*******************************************"
72 << "\n*** Basic test of Teuchos::dyn_cast<>() ***"
73 << "\n*******************************************\n";
74 B b;
75 A &a = b;
76 try {
77 if(verbose) std::cout << "\nTrying: dynamic_cast<C&>(a); [Should throw a std::bad_cast std::exception with very bad error message]\n";
78 C& c_from_an_a = dynamic_cast<C&>(a);
79 (void) c_from_an_a; // forestall "unused variable" compiler warnings
80 }
81 catch( const std::bad_cast &e ) {
82 if(verbose) std::cout << "\nCaught std::bad_cast std::exception e where e.what() = \"" << e.what() << "\"\n";
83 }
84 try {
85 if(verbose) std::cout << "\nTrying: Teuchos::dyn_cast<C>(a); [Should throw a std::bad_cast std::exception with a very good error message]\n";
87 }
88 catch( const std::bad_cast &e ) {
89 if(verbose) std::cout << "\nCaught std::bad_cast std::exception e where e.what() = \"" << e.what() << "\"\n";
90 }
91 if(verbose) std::cout << "\nTrying: Teuchos::dyn_cast<B>(a).f(); [Should succeed and print \"B::f() called\"]\n";
92 Teuchos::dyn_cast<B>(a).f(verbose);
93 if(verbose) std::cout << "\nAll tests check out!\n";
94 }
95 catch( const std::exception &excpt ) {
96 if(verbose)
97 std::cerr << "*** Caught standard std::exception : " << excpt.what() << std::endl;
98 return 1;
99 }
100 catch( ... ) {
101 if(verbose)
102 std::cerr << "*** Caught an unknown std::exception\n";
103 return 1;
104 }
105 return 0;
106}
Basic command line parser for input from (argc,argv[])
A MPI utilities class, providing methods for initializing, finalizing, and querying the global MPI se...
void f(bool verbose)
Class that helps parse command line input arguments from (argc,argv[]) and set options.
Initialize, finalize, and query the global MPI session.
Concrete serial communicator subclass.
int main()
Definition evilMain.cpp:75
Definition PackageA.cpp:3
Definition PackageB.cpp:3
Definition PackageC.cpp:3
std::string Teuchos_Version()