test for SERVER-1904

1 files changed, 21 insertions, 0 deletions

diff --git a/jstests/mr_index2.js b/jstests/mr_index2.js
new file mode 100644
index 00000000000..769d6cfb0ba
--- /dev/null
+++ b/jstests/mr_index2.js
@@ -0,0 +1,21 @@
+
+t = db.mr_index2;
+t.drop()
+
+t.save( { arr : [1, 2] } ) 
+
+map = function() { emit(this._id, 1) } 
+reduce = function(k,vals) { return Array.sum( vals ); }
+
+res = t.mapReduce(map,reduce, { query : {} }) 
+assert.eq( 1 ,res.counts.input , "A" )
+
+
+res = t.mapReduce(map,reduce, { query : { arr: {$gte:0} } }) 
+assert.eq( 1 ,res.counts.input , "B" )
+
+t.ensureIndex({arr:1}) 
+res = t.mapReduce(map,reduce, { query : { arr: {$gte:0} } }) 
+assert.eq( 1 ,res.counts.input , "C" )
+
+