/* eslint id-length: 0, no-shadow: 0, no-unused-vars: 0  */

"use strict";

var memoize = require("../..");

module.exports = {
	"": function (t, a) {
		var i = 0
		  , fn = function (x) {
			++i;
			return x;
		};

		fn = memoize(fn);
		return {
			"No arg": function () {
				i = 0;
				a(fn(), undefined, "First");
				a(fn(), undefined, "Second");
				a(fn(), undefined, "Third");
				a(i, 1, "Called once");
			},
			"Arg": function () {
				var x = {};
				i = 0;
				a(fn(x, 8), x, "First");
				a(fn(x, 4), x, "Second");
				a(fn(x, 2), x, "Third");
				a(i, 1, "Called once");
			},
			"Other Arg": function () {
				var x = {};
				i = 0;
				a(fn(x, 2), x, "First");
				a(fn(x, 9), x, "Second");
				a(fn(x, 3), x, "Third");
				a(i, 1, "Called once");
			}
		};
	},
	"Delete": function (a) {
		var i = 0, fn, mfn, x = {};

		fn = function (a, b, c) {
			return a + ++i;
		};
		mfn = memoize(fn, { length: 1 });
		a(mfn(3), 4, "Init");
		a(mfn(4, x, 1), 6, "Init #2");
		mfn.delete(4);
		a(mfn(3, x, 1), 4, "Cached");
		mfn(3, x, 1);
		a(i, 2, "Pre clear");
		mfn.delete(3, x, 1);
		a(i, 2, "After clear");
		a(mfn(3, x, 1), 6, "Reinit");
		a(i, 3, "Reinit count");
		a(mfn(3, x, 1), 6, "Reinit Cached");
		a(i, 3, "Reinit count");
	}
};