david - wow... that seems a little kludgy... see the constsptr test for details, but basically i had to make the members of sptr mutable to get this to work the way it seems it should... maybe i'm missing something...

1 files changed, 94 insertions, 0 deletions

diff --git a/src/tests/constsptr.cpp b/src/tests/constsptr.cpp
new file mode 100644
index 0000000..e6f87c7
--- /dev/null
+++ b/src/tests/constsptr.cpp
@@ -0,0 +1,94 @@
+#include <stdio.h>
+#include "sptr.h"
+
+template <typename T>
+class DataBase
+{
+public:
+        DataBase():
+                _bHas(false)
+        {
+        }
+        
+        virtual ~DataBase()
+        {
+                clr();
+        }
+        
+        virtual bool has() const
+        {
+                return _bHas;
+        }
+        
+        virtual void clr()
+        {
+                _bHas = false;
+        }
+
+        virtual void set(T d)
+        {
+                _tVal = d;
+                _bHas = true;
+        }
+
+        virtual T const &get() const
+        {
+                if(!has())
+                        throw "no data";
+                return _tVal;
+        }
+
+        virtual T &get()
+        {
+                if(!has())
+                        throw "no data";
+                return _tVal;
+        }
+        
+protected:
+        bool _bHas;
+        T _tVal;
+};
+
+
+class Test
+{
+public:
+        Test(){};
+        virtual ~Test(){};
+
+        void set(int i)
+        {
+                _i = i;
+        }
+        
+        int get() const
+        {
+                return _i;
+        }
+        
+private:
+        int _i;
+};
+
+int main()
+{
+        typedef SPtr<Test> TestPtr;
+
+        TestPtr t1(new Test);
+        t1->set(42);
+
+        printf("t1: %d.\n", t1->get());
+
+        const TestPtr t2 = t1;
+
+        printf("t2: %d.\n", t2->get());
+
+        typedef DataBase<const TestPtr> DBTP;
+
+        DBTP db;
+        db.set(t1);
+
+        printf("dbt1: %d.\n", db.get()->get());
+}
+