--- /dev/null
+import { Observable } from '../Observable';
+import { Subscription } from '../Subscription';
+import { Scheduler } from '../Scheduler';
+import { TestMessage } from './TestMessage';
+import { SubscriptionLog } from './SubscriptionLog';
+import { SubscriptionLoggable } from './SubscriptionLoggable';
+import { applyMixins } from '../util/applyMixins';
+import { Subscriber } from '../Subscriber';
+
+/**
+ * We need this JSDoc comment for affecting ESDoc.
+ * @ignore
+ * @extends {Ignored}
+ */
+export class ColdObservable<T> extends Observable<T> implements SubscriptionLoggable {
+ public subscriptions: SubscriptionLog[] = [];
+ scheduler: Scheduler;
+ logSubscribedFrame: () => number;
+ logUnsubscribedFrame: (index: number) => void;
+
+ constructor(public messages: TestMessage[],
+ scheduler: Scheduler) {
+ super(function (this: Observable<T>, subscriber: Subscriber<any>) {
+ const observable: ColdObservable<T> = this as any;
+ const index = observable.logSubscribedFrame();
+ const subscription = new Subscription();
+ subscription.add(new Subscription(() => {
+ observable.logUnsubscribedFrame(index);
+ }));
+ observable.scheduleMessages(subscriber);
+ return subscription;
+ });
+ this.scheduler = scheduler;
+ }
+
+ scheduleMessages(subscriber: Subscriber<any>) {
+ const messagesLength = this.messages.length;
+ for (let i = 0; i < messagesLength; i++) {
+ const message = this.messages[i];
+ subscriber.add(
+ this.scheduler.schedule(({ message, subscriber }) => { message.notification.observe(subscriber); },
+ message.frame,
+ { message, subscriber })
+ );
+ }
+ }
+}
+applyMixins(ColdObservable, [SubscriptionLoggable]);