1 files changed, 104 insertions, 0 deletions
diff --git a/ACE/contrib/utility/Test/ReferenceCounting/Interface/interface.cpp b/ACE/contrib/utility/Test/ReferenceCounting/Interface/interface.cpp
new file mode 100644
index 00000000000..a9cb4d55824
--- /dev/null
+++ b/ACE/contrib/utility/Test/ReferenceCounting/Interface/interface.cpp
@@ -0,0 +1,104 @@
+// file      : Test/ReferenceCounting/Interface/interface.cpp
+// author    : Boris Kolpackov <boris@kolpackov.net>
+// copyright : Copyright (c) 2002-2003 Boris Kolpackov
+// license   : http://kolpackov.net/license.html
+
+#include "Utility/ReferenceCounting/Interface.hpp"
+
+using namespace Utility::ReferenceCounting;
+
+struct Obj : public virtual Interface
+{
+  Obj ()
+      : ref_count_ (1)
+  {
+  }
+
+  virtual
+  ~Obj () throw ()
+  {
+  }
+
+public:
+  virtual void
+  add_ref () const throw ()
+  {
+    add_ref_i ();
+  }
+
+
+  virtual void
+  remove_ref () const throw ()
+  {
+    if (remove_ref_i ()) delete this;
+  }
+
+  virtual count_t
+  refcount_value () const throw ()
+  {
+    return refcount_value_i ();
+  }
+
+protected:
+  virtual void
+  add_ref_i () const throw ()
+  {
+    ++ref_count_;
+  }
+
+
+  virtual bool
+  remove_ref_i () const throw ()
+  {
+    return --ref_count_ == 0;
+  }
+
+  virtual count_t
+  refcount_value_i () const throw ()
+  {
+    return ref_count_;
+  }
+
+private:
+  mutable count_t ref_count_;
+};
+
+
+struct E {};
+
+void postcondition (bool p) throw (E)
+{
+  if (!p) throw E ();
+}
+
+int main ()
+{
+  try
+  {
+    // add_ref
+    //
+    {
+      Obj* a (new Obj);
+
+      Obj* b (add_ref (a));
+
+      postcondition (a == b && a->refcount_value () == 2);
+
+      a->remove_ref ();
+      b->remove_ref ();
+    }
+
+    {
+      Obj* a (0);
+
+      Obj* b (add_ref (a));
+
+      postcondition (b == 0);
+    }
+  }
+  catch (...)
+  {
+    return -1;
+  }
+}
+//$Id$