/node_modules/minimatch/test/caching.js

 1var Minimatch = require("../minimatch.js").Minimatch
 2var tap = require("tap")
 3tap.test("cache test", function (t) {
 4  var mm1 = new Minimatch("a?b")
 5  var mm2 = new Minimatch("a?b")
 6  t.equal(mm1, mm2, "should get the same object")
 7  // the lru should drop it after 100 entries
 8  for (var i = 0; i < 100; i ++) {
 9    new Minimatch("a"+i)
10  }
11  mm2 = new Minimatch("a?b")
12  t.notEqual(mm1, mm2, "cache should have dropped")
13  t.end()
14})