added test for inverted sort order

1 files changed, 9 insertions, 0 deletions

diff --git a/test/test-async.js b/test/test-async.js
index 518650f..b21b04f 100755
--- a/test/test-async.js
+++ b/test/test-async.js
@@ -1508,6 +1508,15 @@ exports['sortBy'] = function(test){
     });
 };
 
+exports['sortBy inverted'] = function(test){
+    async.sortBy([{a:1},{a:15},{a:6}], function(x, callback){
+        setTimeout(function(){callback(null, x.a*-1);}, 0);
+    }, function(err, result){
+        test.same(result, [{a:15},{a:6},{a:1}]);
+        test.done();
+    });
+};
+
 exports['apply'] = function(test){
     test.expect(6);
     var fn = function(){