test(scan): add scan micro perf tests for seeded or seedless over scalars

Author: benlesh

perf/micro/immediate-scheduler/operators/scan-scalar-noseed.js

@@ -0,0 +1,22 @@
+var RxOld = require('rx');
+var RxNew = require('../../../../index');
+
+module.exports = function (suite) {
+  function add(acc, x) {
+    return x + x;
+  }
+
+  var oldScanScalarWithImmediateScheduler = RxOld.Observable.of(25, RxOld.Scheduler.immediate).scan(add);
+  var newScanScalarWithImmediateScheduler = RxNew.Observable.of(25).scan(add);
+
+  function _next(x) { }
+  function _error(e) { }
+  function _complete() { }
+  return suite
+    .add('old scalar observable scan with immediate scheduler with no seed', function () {
+      oldScanScalarWithImmediateScheduler.subscribe(_next, _error, _complete);
+    })
+    .add('new scalar observable scan with immediate scheduler with no seed', function () {
+      newScanScalarWithImmediateScheduler.subscribe(_next, _error, _complete);
+    });
+};

perf/micro/immediate-scheduler/operators/scan-scalar.js

@@ -6,8 +6,8 @@ module.exports = function (suite) {
     return x + x;
   }
 
-  var oldScanScalarWithImmediateScheduler = RxOld.Observable.of(25, RxOld.Scheduler.immediate).scan(add);
-  var newScanScalarWithImmediateScheduler = RxNew.Observable.of(25).scan(add);
+  var oldScanScalarWithImmediateScheduler = RxOld.Observable.of(25, RxOld.Scheduler.immediate).scan(add, 0);
+  var newScanScalarWithImmediateScheduler = RxNew.Observable.of(25).scan(add, 0);
 
   function _next(x) { }
   function _error(e) { }