Current Dev State

static/js/ketcher2/node_modules/lru-cache/test/foreach.js

@@ -0,0 +1,120 @@
+var test = require('tap').test
+var LRU = require('../')
+
+test('forEach', function (t) {
+  var l = new LRU(5)
+  for (var i = 0; i < 10; i ++) {
+    l.set(i.toString(), i.toString(2))
+  }
+
+  var i = 9
+  l.forEach(function (val, key, cache) {
+    t.equal(cache, l)
+    t.equal(key, i.toString())
+    t.equal(val, i.toString(2))
+    i -= 1
+  })
+
+  // get in order of most recently used
+  l.get(6)
+  l.get(8)
+
+  var order = [ 8, 6, 9, 7, 5 ]
+  var i = 0
+
+  l.forEach(function (val, key, cache) {
+    var j = order[i ++]
+    t.equal(cache, l)
+    t.equal(key, j.toString())
+    t.equal(val, j.toString(2))
+  })
+  t.equal(i, order.length);
+
+  t.end()
+})
+
+test('keys() and values()', function (t) {
+  var l = new LRU(5)
+  for (var i = 0; i < 10; i ++) {
+    l.set(i.toString(), i.toString(2))
+  }
+
+  t.similar(l.keys(), ['9', '8', '7', '6', '5'])
+  t.similar(l.values(), ['1001', '1000', '111', '110', '101'])
+
+  // get in order of most recently used
+  l.get(6)
+  l.get(8)
+
+  t.similar(l.keys(), ['8', '6', '9', '7', '5'])
+  t.similar(l.values(), ['1000', '110', '1001', '111', '101'])
+
+  t.end()
+})
+
+test('all entries are iterated over', function(t) {
+  var l = new LRU(5)
+  for (var i = 0; i < 10; i ++) {
+    l.set(i.toString(), i.toString(2))
+  }
+
+  var i = 0
+  l.forEach(function (val, key, cache) {
+    if (i > 0) {
+      cache.del(key)
+    }
+    i += 1
+  })
+
+  t.equal(i, 5)
+  t.equal(l.keys().length, 1)
+
+  t.end()
+})
+
+test('all stale entries are removed', function(t) {
+  var l = new LRU({ max: 5, maxAge: -5, stale: true })
+  for (var i = 0; i < 10; i ++) {
+    l.set(i.toString(), i.toString(2))
+  }
+
+  var i = 0
+  l.forEach(function () {
+    i += 1
+  })
+
+  t.equal(i, 5)
+  t.equal(l.keys().length, 0)
+
+  t.end()
+})
+
+test('expires', function (t) {
+  var l = new LRU({
+    max: 10,
+    maxAge: 50
+  })
+  for (var i = 0; i < 10; i++) {
+    l.set(i.toString(), i.toString(2), ((i % 2) ? 25 : undefined))
+  }
+
+  var i = 0
+  var order = [ 8, 6, 4, 2, 0 ]
+  setTimeout(function () {
+    l.forEach(function (val, key, cache) {
+      var j = order[i++]
+      t.equal(cache, l)
+      t.equal(key, j.toString())
+      t.equal(val, j.toString(2))
+    })
+    t.equal(i, order.length);
+
+    setTimeout(function () {
+      var count = 0;
+      l.forEach(function (val, key, cache) { count++; })
+      t.equal(0, count);
+      t.end()
+    }, 25)
+
+  }, 26)
+})