gcc/testsuite/g++.old-deja/g++.eh/catch6p.C

   1 // { dg-do run  }
   2 // { dg-options "-w" }
   3 // Copyright (C) 1999, 2000 Free Software Foundation, Inc.
   4 // Contributed by Nathan Sidwell 29 Aug 1999 <nathan@acm.org>
   5
   6 // We cannot catch an ambiguous base class.
   7 // -- public, << private, == virtual
   8
   9 // E==D--B==A
  10 //    +--C==A
  11 //    +--AA-A
  12
  13
  14 struct A { int m; virtual ~A(){}};
  15 struct B : virtual A { int m; };
  16 struct C : virtual A { int m; };
  17 struct AA : A { int m; };
  18 struct D : B, C, AA { int m; };
  19 struct E : virtual D { int m; };
  20
  21 void fna(A *obj) { throw obj; }
  22 void fnb(B *obj) { throw obj; }
  23 void fnc(C *obj) { throw obj; }
  24 void fnd(D *obj) { throw obj; }
  25 void fnaa(AA *obj) { throw obj; }
  26 void fne(E *obj) { throw obj; }
  27
  28 extern "C" void abort();
  29
  30 void check(E *e)
  31 {
  32   int caught;
  33
  34   // try with whole object
  35   caught = 0;
  36   try { fne(e); }
  37   catch(A *p) { abort(); } // A is ambiguous
  38   catch(D *p) { caught = 1; if (p != e) abort();}
  39   catch(...) { abort(); }
  40   if (!caught) abort();
  41
  42   caught = 0;
  43   try { fne(e); }
  44   catch(A *p) { abort(); } // A is ambiguous
  45   catch(B *p) { caught = 1; if (p != e) abort();}
  46   catch(...) { abort(); }
  47   if (!caught) abort();
  48
  49   caught = 0;
  50   try { fne(e); }
  51   catch(A *p) { abort(); } // A is ambiguous
  52   catch(C *p) { caught = 1; if (p != e) abort();}
  53   catch(...) { abort(); }
  54   if (!caught) abort();
  55
  56   caught = 0;
  57   try { fne(e); }
  58   catch(A *p) { abort(); } // A is ambiguous
  59   catch(AA *p) { caught = 1; if (p != e) abort();}
  60   catch(...) { abort(); }
  61   if (!caught) abort();
  62
  63   // try with D oject
  64   caught = 0;
  65   try { fnd((D *)e); }
  66   catch(A *p) { abort(); } // A is ambiguous
  67   catch(D *p) { caught = 1; if (p != e) abort();}
  68   catch(...) { abort(); }
  69   if (!caught) abort();
  70
  71   caught = 0;
  72   try { fnd((D *)e); }
  73   catch(A *p) { abort(); } // A is ambiguous
  74   catch(B *p) { caught = 1; if (p != e) abort();}
  75   catch(...) { abort(); }
  76   if (!caught) abort();
  77
  78   caught = 0;
  79   try { fnd((D *)e); }
  80   catch(A *p) { abort(); } // A is ambiguous
  81   catch(C *p) { caught = 1; if (p != e) abort();}
  82   catch(...) { abort(); }
  83   if (!caught) abort();
  84
  85   caught = 0;
  86   try { fnd((D *)e); }
  87   catch(A *p) { abort(); } // A is ambiguous
  88   catch(AA *p) { caught = 1; if (p != e) abort();}
  89   catch(...) { abort(); }
  90   if (!caught) abort();
  91
  92   // try with an A object
  93   caught = 0;
  94   try { fna((B *)e); }
  95   catch(B *p) { abort(); } // throw type is static type
  96   catch(A *p) { caught = 1; if (p != (B *)e) abort();}
  97   catch(...) { abort(); }
  98   if (!caught) abort();
  99
 100   caught = 0;
 101   try { fna((C *)e); }
 102   catch(C *p) { abort(); } // throw type is static type
 103   catch(A *p) { caught = 1; if (p != (C *)e) abort();}
 104   catch(...) { abort(); }
 105   if (!caught) abort();
 106
 107   caught = 0;
 108   try { fna((AA *)e); }
 109   catch(AA *p) { abort(); } // throw type is static type
 110   catch(A *p) { caught = 1; if (p != (AA *)e) abort();}
 111   catch(...) { abort(); }
 112   if (!caught) abort();
 113
 114   // try with B object
 115   caught = 0;
 116   try { fnb((B *)e); }
 117   catch(A *p) { caught = 1; if (p != (B *)e) abort();}
 118   catch(...) { abort(); }
 119   if (!caught) abort();
 120
 121   caught = 0;
 122   try { fnb((B *)e); }
 123   catch(B *p) { caught = 1; if (p != e) abort();}
 124   catch(...) { abort(); }
 125   if (!caught) abort();
 126
 127   caught = 0;
 128   try { fnb((B *)e); }
 129   catch(C *p) { abort(); }
 130   catch(D *p) { abort(); }
 131   catch(...) { caught =1; }
 132   if (!caught) abort();
 133
 134   // try with C object
 135   caught = 0;
 136   try { fnc((C *)e); }
 137   catch(A *p) { caught = 1; if (p != (C *)e) abort();}
 138   catch(...) { abort(); }
 139   if (!caught) abort();
 140
 141   caught = 0;
 142   try { fnc((C *)e); }
 143   catch(C *p) { caught = 1; if (p != e) abort();}
 144   catch(...) { abort(); }
 145   if (!caught) abort();
 146
 147   caught = 0;
 148   try { fnc((C *)e); }
 149   catch(B *p) { abort(); }
 150   catch(D *p) { abort(); }
 151   catch(...) { caught =1; }
 152   if (!caught) abort();
 153
 154   // try with AA object
 155   caught = 0;
 156   try { fnaa((AA *)e); }
 157   catch(A *p) { caught = 1; if (p != (AA *)e) abort();}
 158   catch(...) { abort(); }
 159   if (!caught) abort();
 160
 161   caught = 0;
 162   try { fnaa((AA *)e); }
 163   catch(AA *p) { caught = 1; if (p != e) abort();}
 164   catch(...) { abort(); }
 165   if (!caught) abort();
 166
 167   caught = 0;
 168   try { fnaa((AA *)e); }
 169   catch(C *p) { abort(); }
 170   catch(B *p) { abort(); }
 171   catch(D *p) { abort(); }
 172   catch(...) { caught =1; }
 173   if (!caught) abort();
 174
 175   return;
 176 }
 177
 178 int main ()
 179 {
 180   E e;
 181   check (&e); // try with an object
 182   check ((E *)0); // try with no object
 183
 184   return 0;
 185 }