xplcidl/ptrtest.cc

   1 #include "xplc/ptr.h"
   2 #include "xplc/utils.h"
   3 #include <stdio.h>
   4 #include <assert.h>
   5
   6 static int nobjs;
   7
   8 class MyObject : public IObject
   9 {
  10     IMPLEMENT_IOBJECT(MyObject);
  11 public:
  12     MyObject() { nobjs++; }
  13     virtual ~MyObject() { nobjs--; }
  14 };
  15
  16
  17 UUID_MAP_BEGIN(MyObject)
  18     UUID_MAP_ENTRY(IObject)
  19 UUID_MAP_END;
  20
  21
  22 int main()
  23 {
  24     {
  25         IObject *a = new MyObject;
  26         assert(nobjs == 1);
  27         a->release();
  28         assert(!nobjs);
  29     }
  30
  31     {
  32         xplc_ptr<IObject> a(new MyObject);
  33         assert(nobjs == 1);
  34     }
  35     assert(!nobjs);
  36
  37     {
  38         xplc_ptr<IObject> a(new MyObject);
  39         assert(nobjs == 1);
  40         a = 0;
  41         assert(nobjs == 0);
  42     }
  43
  44     {
  45         xplc_ptr<IObject> a(new MyObject);
  46         IObject *stupid = a->getInterface(IObject_IID);
  47         a = 0;
  48         assert(nobjs == 1);
  49         stupid->release();
  50         assert(!nobjs);
  51     }
  52
  53 #if 1
  54     {
  55         xplc_ptr<IObject> a(new MyObject);
  56         IObject *stupid = a->getInterface(IObject_IID);
  57         a = 0;
  58         assert(nobjs == 1);
  59         a = stupid;
  60         assert(nobjs == 1);
  61     }
  62     assert(!nobjs);          // assertion fails
  63 #endif
  64
  65 #if 1
  66     {
  67         xplc_ptr<IObject> a(new MyObject);
  68         xplc_ptr<IObject> b;
  69         b = a;               // doesn't compile: "operator= is private"
  70         assert(nobjs == 1);
  71     }
  72     assert(!nobjs);
  73 #endif
  74
  75 #if 1
  76     {
  77         xplc_ptr<IObject> a(new MyObject);
  78         xplc_ptr<IObject> b(a);
  79         assert(nobjs == 1);
  80     }                        // crashes
  81     assert(!nobjs);
  82 #endif
  83
  84     printf("all tests passed.\n");
  85     return 0;
  86 }