So siehts ganz gut aus !

node_modules/es5-ext/test/array/#/keys/implement.js

@@ -0,0 +1,7 @@
+"use strict";
+
+var isImplemented = require("../../../../array/#/keys/is-implemented");
+
+module.exports = function (a) {
+ a(isImplemented(), true);
+};

node_modules/es5-ext/test/array/#/keys/index.js

@@ -0,0 +1,3 @@
+"use strict";
+
+module.exports = require("./shim");

node_modules/es5-ext/test/array/#/keys/is-implemented.js

@@ -0,0 +1,5 @@
+"use strict";
+
+module.exports = function (t, a) {
+ a(typeof t(), "boolean");
+};

node_modules/es5-ext/test/array/#/keys/shim.js

@@ -0,0 +1,9 @@
+"use strict";
+
+exports.__generic = function (t, a) {
+	var iterator = t.call(this);
+	a.deep(iterator.next(), { value: 0, done: false });
+	a.deep(iterator.next(), { value: 1, done: false });
+	a.deep(iterator.next(), { value: 2, done: false });
+	a.deep(iterator.next(), { value: undefined, done: true });
+};