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// Test program to check out the environment exception-handling
#include <iostream>
using std::cerr;
using std::endl;
class Exception {
public:
Exception( const char [] ) {}
virtual ~Exception() {}
virtual void f() const { cerr << "Exception::f()" << endl; }
};
class Oops : public Exception {
public:
Oops( const char s[] ) : Exception( s ) {}
virtual ~Oops() {}
virtual void f() const { cerr << "Oops::f()" << endl; }
};
int main() {
try {
cerr << "Starting main() ..." << endl;
cerr << "About to: throw( Oops(\"Ouch\") )" << endl;
try { throw Oops("Ouch"); }
catch ( const Exception & x ) {
x.f();
throw;
}
catch ( ... ) {
cerr << "Caught unknown!" << endl;
throw;
}
// Unreachable statement (we certainly hope!):
cerr << "The following ought to produce a compilation warning \n"
<< "Got past: throw( Oops(\"Ouch\") ) -- not good!" << endl;
}
catch ( const Oops & egad ) {
cerr << "Caught: Oops" << endl;
}
catch ( const Exception & egad ) {
cerr << "Caught: Exception" << endl;
}
catch ( ... ) {
cerr << "Caught: don't know what" << endl;
}
cerr << "Done." << endl;
return 0;
} // main()
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