gcc/testsuite/objc.dg/try-catch-2.m

   1 /* Test out '@catch(id foo) {...}', which should catch all uncaught
   2    exceptions.  */
   3 /* Developed by Ziemowit Laski <zlaski@apple.com>.  */
   4
   5 /* { dg-options "-fobjc-exceptions" } */
   6 /* { dg-do run } */
   7
   8 #include <objc/Object.h>
   9 #include <stdio.h>
  10
  11 /* The following is not required in actual user code; we include it
  12    here to check that the compiler generates an internal definition of
  13    _setjmp that is consistent with what <setjmp.h> provides.  */
  14 #include <setjmp.h>
  15
  16 extern void abort(void);
  17 #define CHECK_IF(expr) if(!(expr)) abort()
  18
  19 @interface Frob: Object
  20 @end
  21
  22 @implementation Frob: Object
  23 @end
  24
  25 static Frob* _connection = nil;
  26
  27 //--------------------------------------------------------------------
  28
  29
  30 void test (Object* sendPort)
  31 {
  32         int cleanupPorts = 1;
  33         Frob* receivePort = nil;
  34
  35         @try {
  36                 printf ("receivePort = %p\n", receivePort);
  37                 printf ("sendPort = %p\n", sendPort);
  38                 printf ("cleanupPorts = %d\n", cleanupPorts);
  39                 printf ("---\n");
  40
  41                 receivePort = (Frob *) -1;
  42                 _connection = (Frob *) -1;
  43                 printf ("receivePort = %p\n", receivePort);
  44                 printf ("sendPort = %p\n", sendPort);
  45                 printf ("cleanupPorts = %d\n", cleanupPorts);
  46                 printf ("---\n");
  47
  48                 receivePort = nil;
  49                 sendPort = nil;
  50                 cleanupPorts = 0;
  51
  52                 printf ("receivePort = %p\n", receivePort);
  53                 printf ("sendPort = %p\n", sendPort);
  54                 printf ("cleanupPorts = %d\n", cleanupPorts);
  55                 printf ("---\n");
  56
  57                 @throw [Object new];
  58         }
  59         @catch(Frob *obj) {
  60                 printf ("Exception caught by incorrect handler!\n");
  61                 CHECK_IF(0);
  62         }
  63         @catch(id exc) {
  64                 printf ("Exception caught by correct handler.\n");
  65                 printf ("receivePort = %p (expected 0x0)\n", receivePort);
  66                 printf ("sendPort = %p (expected 0x0)\n", sendPort);
  67                 printf ("cleanupPorts = %d (expected 0)\n", cleanupPorts);
  68                 printf ("---");
  69                 CHECK_IF(!receivePort);
  70                 CHECK_IF(!sendPort);
  71                 CHECK_IF(!cleanupPorts);
  72         }
  73 }
  74
  75 int main (void) {
  76
  77         test((Object *)-1);
  78         return 0;
  79 }