61 lines
2.0 KiB
C#
61 lines
2.0 KiB
C#
// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
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using System.Collections.Generic;
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using System.Reactive;
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using System;
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using System.Reactive.Disposables;
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namespace Microsoft.Reactive.Testing
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{
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class ColdObservable<T> : ITestableObservable<T>
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{
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readonly TestScheduler scheduler;
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readonly Recorded<Notification<T>>[] messages;
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readonly List<Subscription> subscriptions = new List<Subscription>();
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public ColdObservable(TestScheduler scheduler, params Recorded<Notification<T>>[] messages)
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{
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if (scheduler == null)
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throw new ArgumentNullException("scheduler");
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if (messages == null)
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throw new ArgumentNullException("messages");
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this.scheduler = scheduler;
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this.messages = messages;
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}
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public virtual IDisposable Subscribe(IObserver<T> observer)
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{
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if (observer == null)
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throw new ArgumentNullException("observer");
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subscriptions.Add(new Subscription(scheduler.Clock));
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var index = subscriptions.Count - 1;
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var d = new CompositeDisposable();
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for (var i = 0; i < messages.Length; ++i)
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{
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var notification = messages[i].Value;
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d.Add(scheduler.ScheduleRelative(default(object), messages[i].Time, (scheduler1, state1) => { notification.Accept(observer); return Disposable.Empty; }));
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}
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return Disposable.Create(() =>
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{
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subscriptions[index] = new Subscription(subscriptions[index].Subscribe, scheduler.Clock);
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d.Dispose();
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});
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}
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public IList<Subscription> Subscriptions
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{
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get { return subscriptions; }
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}
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public IList<Recorded<Notification<T>>> Messages
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{
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get { return messages; }
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}
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}
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}
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