forked from Fediversity/fediversity.eu
67 lines
1.4 KiB
JavaScript
67 lines
1.4 KiB
JavaScript
'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()
|
|
})
|