gecko-dev/xpcom/tests/SizeTest04.cpp

// Test04.cpp

#include "nsINode.h"
#include "nsCOMPtr.h"

NS_DEF_PTR(nsINode);

/*
        Windows:
                nsCOMPtr 13 raw
   36

        Macintosh:
                nsCOMPtr
   36 bytes		(1.0000) raw
   120					(3.3333)	i.e., 333.33% bigger
   than nsCOMPtr
*/

class Test04_Raw {
 public:
  Test04_Raw();
  ~Test04_Raw();

  void /*nsresult*/ SetNode(nsINode* newNode);

 private:
  nsINode* mNode;
};

Test04_Raw::Test04_Raw() : mNode(0) {
  // nothing else to do here
}

Test04_Raw::~Test04_Raw() { NS_IF_RELEASE(mNode); }

void  // nsresult
Test04_Raw::SetNode(nsINode* newNode)
// m120, w36
{
  NS_IF_ADDREF(newNode);
  NS_IF_RELEASE(mNode);
  mNode = newNode;

  //		return NS_OK;
}

class Test04_nsCOMPtr {
 public:
  void /*nsresult*/ SetNode(nsINode* newNode);

 private:
  nsCOMPtr<nsINode> mNode;
};

void  // nsresult
Test04_nsCOMPtr::SetNode(nsINode* newNode)
// m36, w13/13
{
  mNode = newNode;
}