1 files changed, 48 insertions, 0 deletions
diff --git a/jstests/core/mr_optim.js b/jstests/core/mr_optim.js
new file mode 100644
index 00000000000..164839e2f2c
--- /dev/null
+++ b/jstests/core/mr_optim.js
@@ -0,0 +1,48 @@
+
+
+t = db.mr_optim;
+t.drop();
+
+for (var i = 0; i < 1000; ++i) {
+    t.save( {a: Math.random(1000), b: Math.random(10000)} );
+}
+
+function m(){
+    emit(this._id, 13);
+}
+
+function r( key , values ){
+    return "bad";
+}
+
+function reformat( r ){
+    var x = {};
+    var cursor;
+    if ( r.results )
+        cursor = r.results;
+    else
+        cursor = r.find();
+    cursor.forEach( 
+        function(z){
+            x[z._id] = z.value;
+        }
+    );
+    return x;
+}
+
+res = t.mapReduce( m , r , { out : "mr_optim_out" } );
+printjson( res )
+x = reformat( res );
+for (var key in x) {
+    assert.eq(x[key], 13, "value is not equal to original, maybe reduce has run");
+}
+res.drop();
+
+res = t.mapReduce( m , r , { out : { inline : 1 } } );
+//printjson( res )
+x2 = reformat( res );
+res.drop();
+
+assert.eq(x, x2, "object from inline and collection are not equal")
+
+t.drop();
+\ No newline at end of file