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'use strict' var test = require('tape') var reusify = require('./') test('reuse objects', function (t) { t.plan(6) function MyObject () { t.pass('constructor called') this.next = null } var instance = reusify(MyObject) var obj = instance.get() t.notEqual(obj, instance.get(), 'two instance created') t.notOk(obj.next, 'next must be null') instance.release(obj) // the internals keeps a hot copy ready for reuse // putting this one back in the queue instance.release(instance.get()) // comparing the old one with the one we got // never do this in real code, after release you // should never reuse that instance t.equal(obj, instance.get(), 'instance must be reused') }) test('reuse more than 2 objects', function (t) { function MyObject () { t.pass('constructor called') this.next = null } var instance = reusify(MyObject) var obj = instance.get() var obj2 = instance.get() var obj3 = instance.get() t.notOk(obj.next, 'next must be null') t.notOk(obj2.next, 'next must be null') t.notOk(obj3.next, 'next must be null') t.notEqual(obj, obj2) t.notEqual(obj, obj3) t.notEqual(obj3, obj2) instance.release(obj) instance.release(obj2) instance.release(obj3) // skip one instance.get() var obj4 = instance.get() var obj5 = instance.get() var obj6 = instance.get() t.equal(obj4, obj) t.equal(obj5, obj2) t.equal(obj6, obj3) t.end() })