gcc/testsuite/obj-c++.dg/gnu-api-2-sel.mm

   1 /* Test the Modern GNU Objective-C Runtime API.
   2
   3   This is test 'sel', covering all functions starting with 'sel'.  */
   4
   5 /* { dg-do run } */
   6 /* { dg-skip-if "" { *-*-* } { "-fnext-runtime" } { "" } } */
   7
   8 /* To get the modern GNU Objective-C Runtime API, you include
   9    objc/runtime.h.  */
  10 #include <objc/runtime.h>
  11 #include <stdlib.h>
  12 #include <iostream>
  13 #include <cstring>
  14
  15 @interface MyRootClass
  16 { Class isa; }
  17 + alloc;
  18 - init;
  19 @end
  20
  21 @implementation MyRootClass
  22 + alloc { return class_createInstance (self, 0); }
  23 - init  { return self; }
  24 @end
  25
  26 @protocol MyProtocol
  27 - (id) variable;
  28 @end
  29
  30 @protocol MySecondProtocol
  31 - (id) setVariable: (id)value;
  32 @end
  33
  34 @interface MySubClass : MyRootClass <MyProtocol>
  35 { id variable_ivar; }
  36 - (void) setVariable: (id)value;
  37 - (id) variable;
  38 @end
  39
  40 @implementation MySubClass
  41 - (void) setVariable: (id)value { variable_ivar = value; }
  42 - (id) variable { return variable_ivar; }
  43 @end
  44
  45
  46 int main ()
  47 {
  48   /* Functions are tested in alphabetical order.  */
  49
  50   std::cout << "Testing sel_getName () ...\n";
  51   {
  52     if (std::strcmp (sel_getName (@selector (variable)), "variable") != 0)
  53       abort ();
  54
  55     if (std::strcmp (sel_getName (NULL), "<null selector>") != 0)
  56       abort ();
  57   }
  58
  59   std::cout << "Testing sel_getType () ...\n";
  60   {
  61     /* Get a selector from a real class, so it has interesting
  62        types.  */
  63     Method method = class_getInstanceMethod (objc_getClass ("MySubClass"),
  64                                              @selector (variable));
  65
  66     if (std::strcmp (sel_getType (method_getName (method)), method_getTypeEncoding (method)) != 0)
  67       abort ();
  68   }
  69
  70   std::cout << "Testing sel_getUid () ...\n";
  71   {
  72     if (std::strcmp (sel_getName (sel_getUid ("myMethod")), "myMethod") != 0)
  73       abort ();
  74   }
  75
  76   std::cout << "Testing sel_isEqual () ...\n";
  77   {
  78     if (! sel_isEqual (@selector (setVariable:), @selector (setVariable:)))
  79       abort ();
  80   }
  81
  82   std::cout << "Testing sel_registerName () ...\n";
  83   {
  84     if (std::strcmp (sel_getName (sel_registerName ("myMethod")), "myMethod") != 0)
  85       abort ();
  86   }
  87
  88   std::cout << "Testing set_registerTypedName () ...\n";
  89   {
  90     const char *types = method_getTypeEncoding (class_getInstanceMethod
  91                                                 (objc_getClass ("MySubClass"),
  92                                                  @selector (variable)));
  93     SEL selector = sel_registerTypedName ("aMethod", types);
  94
  95     if (std::strcmp (sel_getName (selector), "aMethod") != 0)
  96       abort ();
  97
  98     if (std::strcmp (sel_getType (selector), types) != 0)
  99       abort ();
 100   }
 101
 102   return (0);
 103 }