diff --git a/mozilla/xpcom/tests/nsIFileEnumerator.cpp b/mozilla/xpcom/tests/nsIFileEnumerator.cpp
new file mode 100644
index 00000000000..9d0f46156ee
--- /dev/null
+++ b/mozilla/xpcom/tests/nsIFileEnumerator.cpp
@@ -0,0 +1,81 @@
+#include "nsILocalFile.h"
+
+#include "stdio.h"
+#include "nsIComponentManager.h"
+#include "nsIServiceManager.h"
+#include "nsMemory.h"
+#include "nsXPIDLString.h"
+
+
+PRBool LoopInDir(nsILocalFile* file)
+{
+    nsresult rv;
+    nsCOMPtr<nsISimpleEnumerator> entries;
+    rv = file->GetDirectoryEntries(getter_AddRefs(entries));
+    if(NS_FAILED(rv) || !entries)
+        return PR_FALSE;
+    
+    PRUint32 count = 0;
+    PRBool hasMore;
+    while(NS_SUCCEEDED(entries->HasMoreElements(&hasMore)) && hasMore)
+    {
+        nsCOMPtr<nsISupports> sup;
+        entries->GetNext(getter_AddRefs(sup));
+        if(!sup)
+            return PR_FALSE;
+        
+        nsCOMPtr<nsIFile> file = do_QueryInterface(sup);
+        if(!file)
+            return PR_FALSE;
+    
+        char* name;
+        if(NS_FAILED(file->GetLeafName(&name)))
+            return PR_FALSE;
+        
+        //printf("%s\t", name);
+        PRBool isDir;
+        
+        rv = file->IsDirectory(&isDir);
+        if (isDir == PR_TRUE)
+        {
+            nsCOMPtr<nsILocalFile> lfile = do_QueryInterface(file);
+            LoopInDir(lfile);   
+        }        
+        nsMemory::Free(name);
+    }
+    return PR_TRUE;
+}
+
+
+int
+main(int argc, char* argv[])
+{
+    nsresult rv;
+    nsCOMPtr<nsILocalFile> topDir;
+
+    rv = NS_InitXPCOM(nsnull, nsnull);
+    if (NS_FAILED(rv)) return -1;
+    
+    nsComponentManager::AutoRegister(nsIComponentManager::NS_Startup, NULL);
+
+    if (argc > 1 && argv[1] != nsnull) 
+    {
+            char* pathStr = argv[1];
+        NS_NewLocalFile(pathStr, PR_FALSE, getter_AddRefs(topDir));
+    }
+    
+    if (!topDir)
+    {
+       printf("No Top Dir\n");
+       return -1;
+    }
+    PRInt32 startTime = PR_IntervalNow();
+    
+    LoopInDir(topDir);
+    
+    PRInt32 endTime = PR_IntervalNow();
+    
+    printf("\nTime: %d\n", PR_IntervalToMilliseconds(endTime - startTime));
+
+    return 0;
+}