1 files changed, 50 insertions, 0 deletions
diff --git a/jstests/mr_index3.js b/jstests/mr_index3.js
new file mode 100644
index 0000000..0607cc8
--- /dev/null
+++ b/jstests/mr_index3.js
@@ -0,0 +1,50 @@
+
+t = db.mr_index3
+t.drop(); 
+
+t.insert( { _id : 1, name : 'name1', tags : ['dog', 'cat'] } ); 
+t.insert( { _id : 2, name : 'name2', tags : ['cat'] } ); 
+t.insert( { _id : 3, name : 'name3', tags : ['mouse', 'cat', 'dog'] } ); 
+t.insert( { _id : 4, name : 'name4', tags : [] } ); 
+
+m = function(){ 
+    for ( var i=0; i<this.tags.length; i++ )
+        emit( this.tags[i] , 1 )
+}; 
+
+r = function( key , values ){ 
+    return Array.sum( values );
+}; 
+
+a1 = db.runCommand({ mapreduce : 'mr_index3', map : m, reduce : r , out : { inline : true } } ).results
+a2 = db.runCommand({ mapreduce : 'mr_index3', map : m, reduce : r, query: {name : 'name1'} , out : { inline : true }}).results
+a3 = db.runCommand({ mapreduce : 'mr_index3', map : m, reduce : r, query: {name : {$gt:'name'} } , out : { inline : true }}).results
+
+assert.eq( [
+    {
+	"_id" : "cat",
+	"value" : 3
+    },
+    {
+	"_id" : "dog",
+	"value" : 2
+    },
+    {
+	"_id" : "mouse",
+	"value" : 1
+    }
+] , a1 , "A1" );
+assert.eq( [ { "_id" : "cat", "value" : 1 }, { "_id" : "dog", "value" : 1 } ] , a2 , "A2" )
+assert.eq( a1 , a3 , "A3" )
+
+t.ensureIndex({name:1, tags:1}); 
+
+b1 = db.runCommand({ mapreduce : 'mr_index3', map : m, reduce : r , out : { inline : true } } ).results
+b2 = db.runCommand({ mapreduce : 'mr_index3', map : m, reduce : r, query: {name : 'name1'} , out : { inline : true }}).results
+b3 = db.runCommand({ mapreduce : 'mr_index3', map : m, reduce : r, query: {name : {$gt:'name'} } , out : { inline : true }}).results
+
+assert.eq( a1 , b1 , "AB1" )
+assert.eq( a2 , b2 , "AB2" )
+assert.eq( a3 , b3 , "AB3" )
+
+