Promises (first look)

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Small fixes

vendors/Q/benchmark/scenarios.js

@@ -0,0 +1,36 @@
+"use strict";
+
+var Q = require("../q");
+
+suite("Chaining", function () {
+    var numberToChain = 1000;
+
+    bench("Chaining many already-fulfilled promises together", function (done) {
+        var currentPromise = Q();
+        for (var i = 0; i < numberToChain; ++i) {
+            currentPromise = currentPromise.then(function () {
+                return Q();
+            });
+        }
+
+        currentPromise.then(done);
+    });
+
+    bench("Chaining and then fulfilling the end of the chain", function (done) {
+        var deferred = Q.defer();
+
+        var currentPromise = deferred.promise;
+        for (var i = 0; i < numberToChain; ++i) {
+            (function () {
+                var promiseToReturn = currentPromise;
+                currentPromise = Q().then(function () {
+                    return promiseToReturn;
+                });
+            }());
+        }
+
+        currentPromise.then(done);
+
+        deferred.resolve();
+    });
+});