# This is RxJS v 4. [Find the latest version here](https://github.com/reactivex/rxjs) # RxJS Core Testing Module # The Reactive Extensions for JavaScript has a built-in mechanism for testing all operators which allows for mocking absolute and relative time with ease for use with `rx.core.js` and `rx.core.binding.js` ## Details ## Files: - [`rx.testing.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/dist/rx.core.testing.js) NPM Packages: - [`rx-core-testing`](https://www.npmjs.com/package/rx-core-testing) NuGet Packages: - _None_ File Dependencies: - [`rx.core.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/dist/rx.core.js) NuGet Dependencies: - _None_ ## Included Classes ## ### Core Objects - [`Rx.Notification`](https://github.com/Reactive-Extensions/RxJS/blob/master/doc/api/core/notification.md) ### Schedulers - [`Rx.TestScheduler`](https://github.com/Reactive-Extensions/RxJS/blob/master/doc/api/testing/testscheduler.md) - [`Rx.VirtualTimeScheduler`](https://github.com/Reactive-Extensions/RxJS/blob/master/doc/api/schedulers/virtualtimescheduler.md) ### Testing Classes - [`Rx.ReactiveTest`](https://github.com/Reactive-Extensions/RxJS/blob/master/doc/api/testing/reactivetest.md) - [`Rx.Recorded`](https://github.com/Reactive-Extensions/RxJS/blob/master/doc/api/testing/recorded.md) - [`Rx.Subscription`](https://github.com/Reactive-Extensions/RxJS/blob/master/doc/api/testing/subscription.md)