diff --git a/test/app.router.js b/test/app.router.js
index 50af69be..a1f9a8d3 100644
--- a/test/app.router.js
+++ b/test/app.router.js
@@ -25,6 +25,11 @@ describe('app.router', function(){
         [method]('/foo')
         .expect('head' == method ? '' : method, done);
       })
+
+      it('should reject numbers for app.' + method, function(){
+        var app = express();
+        app[method].bind(app, '/', 3).should.throw(/Number/);
+      })
     });
   })
 
diff --git a/test/app.use.js b/test/app.use.js
index 6ebd4eda..9e115e95 100644
--- a/test/app.use.js
+++ b/test/app.use.js
@@ -15,6 +15,11 @@ describe('app', function(){
     app.use(blog);
   })
 
+  it('should reject numbers', function(){
+    var app = express();
+    app.use.bind(app, 3).should.throw(/Number/);
+  })
+
   describe('.use(app)', function(){
     it('should mount the app', function(done){
       var blog = express()
diff --git a/test/exports.js b/test/exports.js
index 9a593291..d34a7b1c 100644
--- a/test/exports.js
+++ b/test/exports.js
@@ -1,7 +1,7 @@
 
 var express = require('../');
 var request = require('supertest');
-var assert = require('assert');
+var should = require('should');
 
 describe('exports', function(){
   it('should expose Router', function(){
@@ -50,4 +50,12 @@ describe('exports', function(){
     .get('/')
     .expect('bar', done);
   })
+
+  it('should throw on old middlewares', function(){
+    var error;
+    try { express.bodyParser; } catch (e) { error = e; }
+    should(error).have.property('message');
+    error.message.should.containEql('middleware');
+    error.message.should.containEql('bodyParser');
+  })
 })
diff --git a/test/res.format.js b/test/res.format.js
index 7b846222..260dc329 100644
--- a/test/res.format.js
+++ b/test/res.format.js
@@ -77,6 +77,24 @@ describe('res', function(){
       test(app2);
     })
 
+    describe('with parameters', function(){
+      var app = express();
+
+      app.use(function(req, res, next){
+        res.format({
+          'text/plain; charset=utf-8': function(){ res.send('hey') },
+          'text/html; foo=bar; bar=baz': function(){ res.send('<p>hey</p>') },
+          'application/json; q=0.5': function(){ res.send({ message: 'hey' }) }
+        });
+      });
+
+      app.use(function(err, req, res, next){
+        res.send(err.status, 'Supports: ' + err.types.join(', '));
+      });
+
+      test(app);
+    })
+
     describe('given .default', function(){
       it('should be invoked instead of auto-responding', function(done){
         request(app3)