--- /dev/null
+// Taken from https://github.com/paulmillr/es6-shim/blob/master/test/array.js
+
+'use strict';
+
+module.exports = function (t, a) {
+ var x;
+
+ x = [1, 2, 3, 4, 5, 6];
+ a(t.call(x, -1), x, "Returns self object");
+ a.deep(x, [-1, -1, -1, -1, -1, -1], "Value");
+
+ a.deep(t.call([1, 2, 3, 4, 5, 6], -1, 3), [1, 2, 3, -1, -1, -1],
+ "Positive start");
+ a.deep(t.call([1, 2, 3, 4, 5, 6], -1, -3), [1, 2, 3, -1, -1, -1],
+ "Negative start");
+ a.deep(t.call([1, 2, 3, 4, 5, 6], -1, 9), [1, 2, 3, 4, 5, 6],
+ "Large start");
+};