Bug 303506 - make xpcom nsDirectoryService assertions more meaningful, r=dougt,sr=shaver

xpcom/io/nsDirectoryService.cpp

@@ -512,14 +512,15 @@ static const nsStaticAtom directory_atoms[] = {
 NS_IMETHODIMP
 nsDirectoryService::Init()
 {
-    NS_NOTREACHED("Don't call me, I was for internal use only!");
+    NS_NOTREACHED("nsDirectoryService::Init() for internal use only!");
     return NS_OK;
 }
 
 nsresult
 nsDirectoryService::RealInit()
 {
-    NS_ASSERTION(!gService, "Mustn't initialize twice!");
+    NS_ASSERTION(!gService, 
+                 "nsDirectoryService::RealInit Mustn't initialize twice!");
 
     nsresult rv;
 
@@ -650,7 +651,8 @@ nsDirectoryService::Get(const char* prop, const nsIID & uuid, void* *result)
     {
         nsCOMPtr<nsIFile> cloneFile;
         nsCOMPtr<nsIFile> cachedFile = do_QueryInterface(value);
-        NS_ASSERTION(cachedFile, "nsIFile expected");
+        NS_ASSERTION(cachedFile, 
+                     "nsDirectoryService::Get nsIFile expected");
 
         cachedFile->Clone(getter_AddRefs(cloneFile));
         return cloneFile->QueryInterface(uuid, result);