1 files changed, 7 insertions, 1 deletions
diff --git a/jstests/sharding/shard3.js b/jstests/sharding/shard3.js
index e27316e..8ee566e 100644
--- a/jstests/sharding/shard3.js
+++ b/jstests/sharding/shard3.js
@@ -61,7 +61,7 @@ function doCounts( name , total , onlyItCounts ){
 }
 
 var total = doCounts( "before wrong save" )
-secondary.save( { num : -3 } );
+secondary.save( { _id : 111 , num : -3 } );
 printjson( secondary.getDB().getLastError() )
 doCounts( "after wrong save" , total , true )
 e = a.find().explain();
@@ -69,6 +69,12 @@ assert.eq( 3 , e.n , "ex1" )
 assert.eq( 4 , e.nscanned , "ex2" )
 assert.eq( 1 , e.nChunkSkips , "ex3" )
 
+
+// SERVER-4612 
+// make sure idhack obeys chunks
+x = a.findOne( { _id : 111 } )
+assert( ! x , "idhack didn't obey chunk boundaries " + tojson(x) );
+
 // --- move all to 1 ---
 print( "MOVE ALL TO 1" );