examples: use 1-based visitor count in cookie-sessions

closes #3312

Author: hiowenluke

examples/cookie-sessions/index.js

@@ -15,9 +15,8 @@ app.use(count);
 
 // custom middleware
 function count(req, res) {
-  req.session.count = req.session.count || 0;
-  var n = req.session.count++;
-  res.send('viewed ' + n + ' times\n');
+  req.session.count = (req.session.count || 0) + 1
+  res.send('viewed ' + req.session.count + ' times\n')
 }
 
 /* istanbul ignore next */

test/acceptance/cookie-sessions.js

@@ -7,7 +7,7 @@ describe('cookie-sessions', function () {
     it('should display no views', function (done) {
       request(app)
       .get('/')
-      .expect(200, 'viewed 0 times\n', done)
+      .expect(200, 'viewed 1 times\n', done)
     })
 
     it('should set a session cookie', function (done) {
@@ -20,12 +20,12 @@ describe('cookie-sessions', function () {
     it('should display 1 view on revisit', function (done) {
       request(app)
       .get('/')
-      .expect(200, 'viewed 0 times\n', function (err, res) {
+      .expect(200, 'viewed 1 times\n', function (err, res) {
         if (err) return done(err)
         request(app)
         .get('/')
         .set('Cookie', getCookies(res))
-        .expect(200, 'viewed 1 times\n', done)
+        .expect(200, 'viewed 2 times\n', done)
       })
     })
   })