gcc/testsuite/objc.dg/exceptions-3.m

   1 /* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010.  */
   2 /* { dg-options "-fobjc-exceptions" } */
   3 /* { dg-do compile } */
   4
   5 /* Test that the compiler is checking the argument of @catch(), and
   6    produce errors when invalid types are used.  */
   7
   8 #include <objc/objc.h>
   9
  10 @interface MyObject
  11 {
  12   Class isa;
  13 }
  14 @end
  15
  16 @implementation MyObject
  17 @end
  18
  19 @protocol MyProtocol;
  20
  21 typedef MyObject MyObjectTypedef;
  22 typedef MyObject *MyObjectPtrTypedef;
  23 typedef int intTypedef;
  24
  25 int test (id object)
  26 {
  27   int dummy = 0;
  28
  29   @try { @throw object; }
  30   @catch (int x)          /* { dg-error "'@catch' parameter is not a known Objective-C class type" } */
  31     {
  32       dummy++;
  33     }
  34
  35   @try { @throw object; }
  36   @catch (intTypedef x)   /* { dg-error "'@catch' parameter is not a known Objective-C class type" } */
  37     {
  38       dummy++;
  39     }
  40
  41   @try { @throw object; }
  42   @catch (int *x)         /* { dg-error "'@catch' parameter is not a known Objective-C class type" } */
  43     {
  44       dummy++;
  45     }
  46
  47   @try { @throw object; }
  48   @catch (id x)           /* Ok */
  49     {
  50       dummy++;
  51     }
  52
  53   @try { @throw object; }
  54   @catch (id <MyProtocol> x) /* { dg-error "'@catch' parameter cannot be protocol-qualified" } */
  55     {
  56       dummy++;
  57     }
  58
  59   @try { @throw object; }
  60   @catch (MyObject *x)    /* Ok */
  61     {
  62       dummy++;
  63     }
  64
  65   @try { @throw object; }
  66   @catch (MyObject <MyProtocol> *x)  /* { dg-error "'@catch' parameter cannot be protocol-qualified" } */
  67     {
  68       dummy++;
  69     }
  70
  71   @try { @throw object; }
  72   @catch (MyObject x)     /* { dg-error "'@catch' parameter is not a known Objective-C class type" } */
  73     {                     /* { dg-error "conversion to non-scalar type requested" "" { target *-*-* } .-1 } */
  74       dummy++;
  75     }
  76
  77   @try { @throw object; }
  78   @catch (static MyObject *x) /* { dg-error "storage class specified for" } */
  79     {
  80       dummy++;
  81     }
  82
  83   @try { @throw object; }
  84   @catch (MyObjectTypedef *x) /* Ok */
  85     {
  86       dummy++;
  87     }
  88
  89   @try { @throw object; }
  90   @catch (MyObjectTypedef <MyProtocol> *x) /* { dg-error "'@catch' parameter cannot be protocol-qualified" } */
  91     {
  92       dummy++;
  93     }
  94
  95   @try { @throw object; }
  96   @catch (MyObjectPtrTypedef x) /* Ok */
  97     {
  98       dummy++;
  99     }
 100
 101   @try { @throw object; }
 102   @catch (Class x)   /* { dg-error "'@catch' parameter is not a known Objective-C class type" } */
 103     {
 104       dummy++;
 105     }
 106
 107   @try { @throw object; }
 108   @catch (...)            /* Ok */
 109     {
 110       dummy++;
 111     }
 112
 113   return dummy;
 114 }