test for SERVER-635

1 files changed, 20 insertions, 0 deletions

diff --git a/jstests/sort6.js b/jstests/sort6.js
new file mode 100644
index 00000000000..3fa8a923ada
--- /dev/null
+++ b/jstests/sort6.js
@@ -0,0 +1,20 @@
+
+t = db.sort6;
+t.drop();
+
+t.insert({_id:1})
+t.insert({_id:2})
+t.insert({_id:3,c:1})
+t.insert({_id:4,c:2})
+
+function get( x ){
+    return t.find().sort( { c : x } ).map( function(z){ return z._id; } );
+}
+
+//assert.eq( [4,3,2,1] ,  get( -1 ) , "A1"  )
+assert.eq( [1,2,3,4] , get( 1 ) , "A2" )
+
+t.ensureIndex( { c : 1 } );
+
+assert.eq( [4,3,2,1] ,  get( -1 ) , "B1"  )
+assert.eq( [1,2,3,4] , get( 1 ) , "B2" )