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/* eslint id-length: 0, max-lines: 0, max-statements: 0 */

"use strict";

var memoize  = require("../..")
  , nextTick = require("next-tick")
  , delay    = require("timers-ext/delay")
  , Promise  = require("plain-promise");

module.exports = function () {
	return {
		Regular: {
			"Sync": function (a) {
				var mfn, fn, value = [], x, invoked;
				fn = function (arg1, arg2) {
					return arg1 + arg2;
				};
				mfn = memoize(fn, {
					dispose: function (val) {
						value.push(val);
					}
				});
				mfn(3, 7);
				mfn(5, 8);
				mfn(12, 4);
				a.deep(value, [], "Pre");
				mfn.delete(5, 8);
				a.deep(value, [13], "#1");
				value = [];
				mfn.delete(12, 4);
				a.deep(value, [16], "#2");

				value = [];
				mfn(77, 11);
				mfn.clear();
				a.deep(value, [10, 88], "Clear all");

				x = {};
				invoked = false;
				mfn = memoize(
					function () {
						return x;
					},
					{
						dispose: function (val) {
							invoked = val;
						}
					}
				);

				mfn.delete();
				a(invoked, false, "No args: Post invalid delete");
				mfn();
				a(invoked, false, "No args: Post cache");
				mfn.delete();
				a(invoked, x, "No args: Pre delete");
			},
			"Ref counter": function (a) {
				var mfn, fn, value = [];
				fn = function (x, y) {
					return x + y;
				};
				mfn = memoize(fn, {
					refCounter: true,
					dispose: function (val) {
						value.push(val);
					}
				});

				mfn(3, 7);
				mfn(5, 8);
				mfn(12, 4);
				a.deep(value, [], "Pre");
				mfn(5, 8);
				mfn.deleteRef(5, 8);
				a.deep(value, [], "Pre");
				mfn.deleteRef(5, 8);
				a.deep(value, [13], "#1");
				value = [];
				mfn.deleteRef(12, 4);
				a.deep(value, [16], "#2");

				value = [];
				mfn(77, 11);
				mfn.clear();
				a.deep(value, [10, 88], "Clear all");
			},
			"Async": function (a, d) {
				var mfn, fn, u = {}, value = [];
				fn = function (x, y, cb) {
					nextTick(function () {
						cb(null, x + y);
					});
					return u;
				};

				mfn = memoize(fn, {
					async: true,
					dispose: function (val) {
						value.push(val);
					}
				});

				mfn(3, 7, function () {
					mfn(5, 8, function () {
						mfn(12, 4, function () {
							a.deep(value, [], "Pre");
							mfn.delete(5, 8);
							a.deep(value, [13], "#1");
							value = [];
							mfn.delete(12, 4);
							a.deep(value, [16], "#2");

							value = [];
							mfn(77, 11, function () {
								mfn.clear();
								a.deep(value, [10, 88], "Clear all");
								d();
							});
						});
					});
				});
			},
			"Promise": function (a, d) {
				var mfn, fn, value = [];
				fn = function (x, y) {
					return new Promise(function (res) {
						res(x + y);
					});
				};

				mfn = memoize(fn, {
					promise: true,
					dispose: function (val) {
						value.push(val);
					}
				});

				mfn(3, 7).done(function () {
					mfn(5, 8).done(function () {
						mfn(12, 4).done(
							delay(function () {
								a.deep(value, [], "Pre");
								mfn.delete(5, 8);
								a.deep(value, [13], "#1");
								value = [];
								mfn.delete(12, 4);
								a.deep(value, [16], "#2");

								value = [];
								mfn(77, 11).done(
									delay(function () {
										mfn.clear();
										a.deep(value, [10, 88], "Clear all");
										d();
									})
								);
							})
						);
					});
				});
			}
		},
		Primitive: {
			"Sync": function (a) {
				var mfn, fn, value = [];
				fn = function (x, y) {
					return x + y;
				};
				mfn = memoize(fn, {
					dispose: function (val) {
						value.push(val);
					}
				});

				mfn(3, 7);
				mfn(5, 8);
				mfn(12, 4);
				a.deep(value, [], "Pre");
				mfn.delete(5, 8);
				a.deep(value, [13], "#1");
				value = [];
				mfn.delete(12, 4);
				a.deep(value, [16], "#2");

				value = [];
				mfn(77, 11);
				mfn.clear();
				a.deep(value, [10, 88], "Clear all");
			},
			"Ref counter": function (a) {
				var mfn, fn, value = [];
				fn = function (x, y) {
					return x + y;
				};
				mfn = memoize(fn, {
					refCounter: true,
					dispose: function (val) {
						value.push(val);
					}
				});

				mfn(3, 7);
				mfn(5, 8);
				mfn(12, 4);
				a.deep(value, [], "Pre");
				mfn(5, 8);
				mfn.deleteRef(5, 8);
				a.deep(value, [], "Pre");
				mfn.deleteRef(5, 8);
				a.deep(value, [13], "#1");
				value = [];
				mfn.deleteRef(12, 4);
				a.deep(value, [16], "#2");

				value = [];
				mfn(77, 11);
				mfn.clear();
				a.deep(value, [10, 88], "Clear all");
			},
			"Async": function (a, d) {
				var mfn, fn, u = {}, value = [];
				fn = function (x, y, cb) {
					nextTick(function () {
						cb(null, x + y);
					});
					return u;
				};

				mfn = memoize(fn, {
					async: true,
					dispose: function (val) {
						value.push(val);
					}
				});

				mfn(3, 7, function () {
					mfn(5, 8, function () {
						mfn(12, 4, function () {
							a.deep(value, [], "Pre");
							mfn.delete(5, 8);
							a.deep(value, [13], "#1");
							value = [];
							mfn.delete(12, 4);
							a.deep(value, [16], "#2");

							value = [];
							mfn(77, 11, function () {
								mfn.clear();
								a.deep(value, [10, 88], "Clear all");
								d();
							});
						});
					});
				});
			},
			"Promise": function (a, d) {
				var mfn, fn, value = [];
				fn = function (x, y) {
					return new Promise(function (res) {
						res(x + y);
					});
				};

				mfn = memoize(fn, {
					promise: true,
					dispose: function (val) {
						value.push(val);
					}
				});

				mfn(3, 7).done(function () {
					mfn(5, 8).done(function () {
						mfn(12, 4).done(
							delay(function () {
								a.deep(value, [], "Pre");
								mfn.delete(5, 8);
								a.deep(value, [13], "#1");
								value = [];
								mfn.delete(12, 4);
								a.deep(value, [16], "#2");

								value = [];
								mfn(77, 11).done(
									delay(function () {
										mfn.clear();
										a.deep(value, [10, 88], "Clear all");
										d();
									})
								);
							})
						);
					});
				});
			}
		}
	};
};