Merge c37b707 into 50899e7

index.js

@@ -482,6 +482,7 @@ Router.prototype.prettyPrint = function () {
 }
 
 for (var i in http.METHODS) {
+  if (!http.METHODS.hasOwnProperty(i)) continue
   const m = http.METHODS[i]
   const methodName = m.toLowerCase()
 

test/for-in-loop.test.js

@@ -0,0 +1,12 @@
+/* eslint-disable */
+'use strict'
+
+const t = require('tap')
+const test = t.test
+
+test('should not throw', t => {
+  t.plan(1)
+  // Something could extend the Array prototype
+  Array.prototype.test = null
+  t.doesNotThrow(require('../'))
+})