gdb/testsuite/gdb.cp/try_catch.cc

   1 // 2002-05-27
   2
   3 #include <exception>
   4 #include <stdexcept>
   5 #include <string>
   6
   7 enum region { oriental, egyptian, greek, etruscan, roman };
   8
   9 // Test one.
  10 class gnu_obj_1
  11 {
  12 public:
  13   typedef region antiquities;
  14   const bool            test;
  15   const int             key1;
  16   long                  key2;
  17
  18   antiquities   value;
  19
  20   gnu_obj_1(antiquities a, long l): test(true), key1(5), key2(l), value(a) {}
  21 };
  22
  23 // Test two.
  24 template<typename T>
  25 class gnu_obj_2: public virtual gnu_obj_1
  26 {
  27 public:
  28   antiquities   value_derived;
  29
  30   gnu_obj_2(antiquities b): gnu_obj_1(oriental, 7), value_derived(b) { }
  31 };
  32
  33 // Test three.
  34 template<typename T>
  35 class gnu_obj_3
  36 {
  37 public:
  38   typedef region antiquities;
  39   gnu_obj_2<int>        data;
  40
  41   gnu_obj_3(antiquities b): data(etruscan) { }
  42 };
  43
  44 int main()
  45 {
  46   bool test = true;
  47   const int i = 5;
  48   int j = i;
  49   gnu_obj_2<long> test2(roman);
  50   gnu_obj_3<long> test3(greek);
  51
  52   // 1
  53   try
  54     {
  55       ++j;
  56       throw gnu_obj_1(egyptian, 4589);  // marker 1-throw
  57     }
  58   catch (gnu_obj_1& obj)
  59     {
  60       ++j;
  61       if (obj.value != egyptian)        // marker 1-catch
  62         test &= false;
  63       if (obj.key2 != 4589)
  64         test &= false;
  65     }
  66   catch (...)
  67     {
  68       j = 0;
  69       test &= false;
  70     }
  71
  72   // 2
  73   try
  74     {
  75       ++j;                              // marker 2-start
  76       try
  77         {
  78           ++j;                          // marker 2-next
  79           try
  80             {
  81               ++j;
  82               throw gnu_obj_1(egyptian, 4589); // marker 2-throw
  83             }
  84           catch (gnu_obj_1& obj)
  85             {
  86               ++j;
  87               if (obj.value != egyptian) // marker 2-catch
  88                 test &= false;
  89               if (obj.key2 != 4589)
  90                 test &= false;
  91             }
  92         }
  93       catch (gnu_obj_1& obj)
  94         {
  95           ++j;
  96           if (obj.value != egyptian)
  97             test &= false;
  98           if (obj.key2 != 4589)
  99             test &= false;
 100         }
 101     }
 102   catch (...)
 103     {
 104       j = 0;
 105       test &= false;
 106     }
 107
 108   // 3 use standard library
 109   using namespace std;
 110   try
 111     {
 112       if (j < 100)
 113         throw invalid_argument("gdb.1"); // marker 3-throw
 114     }
 115   catch (exception& obj)
 116     {
 117       if (obj.what() != "gdb.1")        // marker 3-catch
 118         test &= false;
 119     }
 120   return 0;
 121 }