1 var test = require('tap').test
2 var LRU = require('../')
4 test('forEach', function (t) {
6 for (var i = 0; i < 10; i ++) {
7 l.set(i.toString(), i.toString(2))
11 l.forEach(function (val, key, cache) {
13 t.equal(key, i.toString())
14 t.equal(val, i.toString(2))
18 // get in order of most recently used
22 var order = [ 8, 6, 9, 7, 5 ]
25 l.forEach(function (val, key, cache) {
28 t.equal(key, j.toString())
29 t.equal(val, j.toString(2))
31 t.equal(i, order.length);
36 test('keys() and values()', function (t) {
38 for (var i = 0; i < 10; i ++) {
39 l.set(i.toString(), i.toString(2))
42 t.similar(l.keys(), ['9', '8', '7', '6', '5'])
43 t.similar(l.values(), ['1001', '1000', '111', '110', '101'])
45 // get in order of most recently used
49 t.similar(l.keys(), ['8', '6', '9', '7', '5'])
50 t.similar(l.values(), ['1000', '110', '1001', '111', '101'])
55 test('all entries are iterated over', function(t) {
57 for (var i = 0; i < 10; i ++) {
58 l.set(i.toString(), i.toString(2))
62 l.forEach(function (val, key, cache) {
70 t.equal(l.keys().length, 1)
75 test('all stale entries are removed', function(t) {
76 var l = new LRU({ max: 5, maxAge: -5, stale: true })
77 for (var i = 0; i < 10; i ++) {
78 l.set(i.toString(), i.toString(2))
82 l.forEach(function () {
87 t.equal(l.keys().length, 0)
92 test('expires', function (t) {
97 for (var i = 0; i < 10; i++) {
98 l.set(i.toString(), i.toString(2), ((i % 2) ? 25 : undefined))
102 var order = [ 8, 6, 4, 2, 0 ]
103 setTimeout(function () {
104 l.forEach(function (val, key, cache) {
107 t.equal(key, j.toString())
108 t.equal(val, j.toString(2))
110 t.equal(i, order.length);
112 setTimeout(function () {
114 l.forEach(function (val, key, cache) { count++; })