GeoIntrusivePtr - Fix move semantics + add test

GeoModelCore/GeoModelKernel/GeoModelKernel/GeoIntrusivePtr.h

@@ -15,14 +15,14 @@ class GeoIntrusivePtr{
     public:
         template <typename GeoTypeGrp> friend class GeoIntrusivePtr;
 
-         GeoIntrusivePtr() noexcept = default;
+        GeoIntrusivePtr() noexcept = default;
         // Standard constructor taking a bare pointer
         GeoIntrusivePtr(GeoType* obj) noexcept:
             m_ptr{obj} {
              if (m_ptr) obj->ref();
         }
         /// Copy constructor 
-        explicit GeoIntrusivePtr(const GeoIntrusivePtr& other) noexcept:
+         GeoIntrusivePtr(const GeoIntrusivePtr& other) noexcept:
             GeoIntrusivePtr{other.get()} {}
 
         /// Copy constructor for derived types
@@ -32,16 +32,16 @@ class GeoIntrusivePtr{
               GeoIntrusivePtr{other.get()} {}
 
         /// Move constructor
-        explicit GeoIntrusivePtr(GeoIntrusivePtr&& other) noexcept:
-            m_ptr{other.m_ptr} { 
-                other.m_ptr = nullptr;
+        GeoIntrusivePtr(GeoIntrusivePtr&& other) noexcept:
+            GeoIntrusivePtr{} { 
+            move(std::move(other));
         }
         /// Move constructor for derived types
         template <typename GeoTypeGrp,
                   typename = typename std::enable_if<!std::is_same<GeoType,GeoTypeGrp>::value, bool>>
         GeoIntrusivePtr(GeoIntrusivePtr<GeoTypeGrp>&& other) noexcept:
-            m_ptr{other.m_ptr} { 
-                other.m_ptr = nullptr;
+            GeoIntrusivePtr{} { 
+            move(std::move(other));
         }
         
         
@@ -62,24 +62,14 @@ class GeoIntrusivePtr{
             return *this;
         }
         /// Move assignment operator
-        GeoIntrusivePtr& operator=(GeoIntrusivePtr&& other) {            
-            if (m_ptr && m_ptr == other.get()) {
-                m_ptr->unref();
-            } else {
-                m_ptr = other.get();
-            }
-            other.m_ptr = nullptr;
+        GeoIntrusivePtr& operator=(GeoIntrusivePtr&& other) noexcept {
+            move(std::move(other));
             return *this;
         }
         template <typename GeoTypeGrp,
                   typename = typename std::enable_if<!std::is_same<GeoType,GeoTypeGrp>::value, bool>>
-         GeoIntrusivePtr& operator=(GeoIntrusivePtr<GeoTypeGrp>&& other) {
-            if (m_ptr && m_ptr == other.get()) {
-                m_ptr->unref();
-            } else {
-                m_ptr = other.get();
-            }
-            other.m_ptr = nullptr;
+         GeoIntrusivePtr& operator=(GeoIntrusivePtr<GeoTypeGrp>&& other) noexcept {
+            move(std::move(other));
             return *this;
         }
         /// Reset the pointer
@@ -89,6 +79,14 @@ class GeoIntrusivePtr{
             m_ptr = ptr;
             if (m_ptr) m_ptr->ref();
         }
+        template <class GeoTypeGrp> 
+            void move(GeoIntrusivePtr<GeoTypeGrp>&& obj) {
+                if (m_ptr != obj.get()) {
+                    if (m_ptr) m_ptr->unref();
+                    m_ptr = obj.m_ptr;
+                }
+                obj.m_ptr = nullptr;
+        }
         /// Destructor
         ~GeoIntrusivePtr() {
             if (m_ptr) m_ptr->unref();

GeoModelCore/GeoModelKernel/tests/testGeoIntrusivePtr.cxx

@@ -2,6 +2,7 @@
 
 
 #include <GeoModelKernel/GeoFullPhysVol.h>
+#include <GeoModelKernel/GeoTransform.h>
 #include <GeoModelKernel/GeoPhysVol.h>
 #include <GeoModelKernel/GeoBox.h>
 #include <iostream>
@@ -65,6 +66,39 @@ int main(int argc, char *argv[]){
         physVol4 = std::move(physVol3);
         CHECKCOUNT(physVol4, 2);
     }
+
+    GeoIntrusivePtr<GeoPhysVol> world{new GeoPhysVol(nullptr)};
+    world->add(new GeoTransform(GeoTrf::Translate3D(0.,0.,0 )));
+    {
+        GeoIntrusivePtr<GeoFullPhysVol> childVol{new GeoFullPhysVol(nullptr)};
+        world->add(childVol);
+        CHECKCOUNT(world, 1);
+        CHECKCOUNT(childVol, 2);
+        CHECKCOUNT(world, 1);
+        childVol->getAbsoluteTransform();
+        CHECKCOUNT(childVol, 2);        
+        CHECKCOUNT(world, 1);
+        childVol->getX();
+        CHECKCOUNT(world, 1);
+        childVol->getDefX();
+        CHECKCOUNT(world, 1);
+        childVol->getDefAbsoluteTransform();
+        CHECKCOUNT(world, 1);
+    }
+    {
+        GeoIntrusivePtr<GeoPhysVol> childVol{new GeoPhysVol(nullptr)};
+        world->add(childVol);
+        CHECKCOUNT(world, 1);
+        CHECKCOUNT(childVol, 2);
+        CHECKCOUNT(world, 1);
+        childVol->getX();
+        CHECKCOUNT(world, 1);
+        childVol->getDefX();
+        CHECKCOUNT(world, 1);
+    }
+    CHECKCOUNT(world, 1);
+    
+    
     return EXIT_SUCCESS;
 }
 #pragma clang diagnostic pop