--- /dev/null
+'use strict';
+
+var compare = function (value) { return this - value; };
+
+module.exports = function (t, a) {
+ var arr;
+ arr = [2, 5, 5, 8, 34, 67, 98, 345, 678];
+
+ // highest, equal match
+ a(t.call(arr, compare.bind(1)), 0, "All higher");
+ a(t.call(arr, compare.bind(679)), arr.length - 1, "All lower");
+ a(t.call(arr, compare.bind(4)), 0, "Mid");
+ a(t.call(arr, compare.bind(5)), 2, "Match");
+ a(t.call(arr, compare.bind(6)), 2, "Above");
+};