--- /dev/null
+'use strict';
+
+module.exports = function (t, a) {
+ a(t.call('raz', ''), true, "Empty");
+ a(t.call('', ''), true, "Both Empty");
+ a(t.call('raz', 'raz'), true, "Same");
+ a(t.call('razdwa', 'raz'), true, "Starts with");
+ a(t.call('razdwa', 'dwa'), true, "Ends with");
+ a(t.call('razdwa', 'zdw'), true, "In middle");
+ a(t.call('', 'raz'), false, "Something in empty");
+ a(t.call('az', 'raz'), false, "Longer");
+ a(t.call('azasdfasdf', 'azff'), false, "Not found");
+ a(t.call('razdwa', 'raz', 1), false, "Position");
+};