From 6fd0beb957266bd5dee9beb68df99e4e18d30090 Mon Sep 17 00:00:00 2001
From: Eliot Horowitz <eliot@10gen.com>
Date: Tue, 3 Nov 2009 13:02:39 -0500
Subject: [PATCH] wassert on extsort

---
 db/extsort.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/db/extsort.cpp b/db/extsort.cpp
index 3601b52d4d0..e76bc13f958 100644
--- a/db/extsort.cpp
+++ b/db/extsort.cpp
@@ -52,7 +52,8 @@ namespace mongo {
             _cur = 0;
         }
         
-        remove_all( _root );
+        unsigned long removed = remove_all( _root );
+        wassert( removed == 1 + _files.size() );
     }
 
     void BSONObjExternalSorter::sort(){