use_sales.cpp

来自「一本很好的C++学习的丛书！初学者必看的」· C++ 代码 · 共 82 行

// use_sales.cpp  -- nested exceptions
#include <iostream>
#include "sales.h"

int main()
{
    using std::cout;
    using std::cin;
    using std::endl;

    double vals1[12] =
    {
        1220, 1100, 1122, 2212, 1232, 2334,
        2884, 2393, 3302, 2922, 3002, 3544
    };

    double vals2[12] =
    {
        12, 11, 22, 21, 32, 34,
        28, 29, 33, 29, 32, 35
    };

    Sales sales1(2004, vals1, 12);
    LabeledSales sales2("Blogstar",2005, vals2, 12 );

    cout << "First try block:\n";
    try
    {
        int i;
        cout << "Year = " << sales1.Year() << endl;
        for (i = 0; i < 12; ++i)
        {

            cout << sales1[i] << ' ';
            if (i % 6 == 5)
                cout << endl;
        }
        cout << "Year = " << sales2.Year() << endl;
        cout << "Label = " << sales2.Label() << endl;
        for (i = 0; i <= 12; ++i)
        {

            cout << sales2[i] << ' ';
            if (i % 6 == 5)
                cout << endl;
        }
        cout << "End of try block 1.\n";
   }
   catch(LabeledSales::nbad_index & bad)
   {
        cout << bad.what();
        cout << "Company: " << bad.label_val() << endl;
        cout << "bad index: " << bad.bi_val() << endl;
   }
   catch(Sales::bad_index & bad)
   {
        cout << bad.what();
        cout << "bad index: " << bad.bi_val() << endl;
   }
   cout << "\nNext try block:\n";
   try
    {
        sales2[2] = 37.5;
        sales1[20] = 23345;
        cout << "End of try block 2.\n";
   }
   catch(LabeledSales::nbad_index & bad)
   {
        cout << bad.what();
        cout << "Company: " << bad.label_val() << endl;
        cout << "bad index: " << bad.bi_val() << endl;
   }
   catch(Sales::bad_index & bad)
   {
        cout << bad.what();
        cout << "bad index: " << bad.bi_val() << endl;
   }
   cout << "done\n";

    return 0;
}