gecko-dev/xpcom/tests/SizeTest03.cpp

// Test03.cpp

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

NS_DEF_PTR(nsINode);

/*
        Windows:
                nsCOMPtr_optimized*
   45 raw_optimized
   48 nsCOMPtr_optimized
   50 nsCOMPtr
   54 nsCOMPtr*
   59 raw
   62

        Macintosh:
                nsCOMPtr_optimized		112
   (1.0000)
                raw_optimized					124 bytes
   (1.1071)	i.e., 10.71% bigger than nsCOMPtr_optimized nsCOMPtr
   144					(1.2857)
*/

void  // nsresult
Test03_raw(nsINode* aDOMNode, nsString* aResult)
// m140, w62
{
  // -- the following code is assumed, but is commented out so we compare only
  //		 the relevent generated code

  //		if ( !aDOMNode || !aResult )
  //			return NS_ERROR_NULL_POINTER;

  nsINode* parent = 0;
  nsresult status = aDOMNode->GetParentNode(&parent);

  if (NS_SUCCEEDED(status)) {
    parent->GetNodeName(*aResult);
  }

  NS_IF_RELEASE(parent);

  //		return status;
}

void  // nsresult
Test03_raw_optimized(nsINode* aDOMNode, nsString* aResult)
// m124, w48
{
  //		if ( !aDOMNode || !aResult )
  //			return NS_ERROR_NULL_POINTER;

  nsINode* parent;
  nsresult status = aDOMNode->GetParentNode(&parent);

  if (NS_SUCCEEDED(status)) {
    parent->GetNodeName(*aResult);
    NS_RELEASE(parent);
  }

  //		return status;
}

void  // nsresult
Test03_nsCOMPtr(nsINode* aDOMNode, nsString* aResult)
// m144, w54/59
{
  //		if ( !aDOMNode || !aResult )
  //			return NS_ERROR_NULL_POINTER;

  nsCOMPtr<nsINode> parent;
  nsresult status = aDOMNode->GetParentNode(getter_AddRefs(parent));
  if (parent) parent->GetNodeName(*aResult);

  //		return status;
}

void  // nsresult
Test03_nsCOMPtr_optimized(nsINode* aDOMNode, nsString* aResult)
// m112, w50/45
{
  //		if ( !aDOMNode || !aResult )
  //			return NS_ERROR_NULL_POINTER;

  nsINode* temp;
  nsresult status = aDOMNode->GetParentNode(&temp);
  nsCOMPtr<nsINode> parent(dont_AddRef(temp));
  if (parent) parent->GetNodeName(*aResult);

  //		return status;
}