?? currencynew.cpp
字號:
// test currency class with single data member amount
#include <iostream>
#include "currencyNew.h"
using namespace std;
int main()
{
currency g, h(plus, 3, 50), i, j;
// try out both forms of setValue
g.setValue(minus, 2, 25);
i.setValue(-6.45);
// do an add and output
j = h.add(g);
h.output();
cout << " + ";
g.output();
cout << " = ";
j.output(); cout << endl;
// do an increment and output
i.output();
cout << " incremented by ";
h.output();
cout << " is ";
i.increment(h);
i.output(); cout << endl;
// do two adds in a sequence
j = i.add(g).add(h);
i.output();
cout << " + ";
g.output();
cout << " + ";
h.output();
cout << " = ";
j.output(); cout << endl;
// do an increment and add
cout << "Increment ";
i.output();
cout << " by ";
g.output();
cout << " and then add ";
h.output();
cout << endl << "Result is ";
j = i.increment(g).add(h);
j.output(); cout << endl;
cout << "Incremented object is ";
i.output(); cout << endl;
// test the exception
cout << "Attempting to initialize with cents = 152" << endl;
try {i.setValue(plus, 3, 152);}
catch (illegalParameterValue e)
{
cout << "Caught thrown exception" << endl;
e.outputMessage();
}
return 0;
}
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